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Katipō

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725:. The katipō uses these to scoop sticky silk from its spinnerets and throws it over the insect with a series of rapid movements. After the insect is firmly immobilised, the spider bites it several times, usually at the joints, before spinning more silk to strengthen the web, and then administering a last long bite which ultimately kills the insect. The spider then moves the prey up into the web until it is ready to eat. If food is readily available then it is common to see five or six insects hanging in the web waiting to be ingested. The male's hunting behaviour is similar to the female's, although may not be as vigorous due to its smaller size. 598: 969:, non-aggressive spider. Their narrow range, diminishing population, and human awareness of where they live means humans rarely encounter katipō. The katipō will only bite as a last resort; if molested, the spider will usually fold up into a ball and drop to the ground or retreat to the nearest cover. If the threat continues, the spider may throw out silk against the interference. When restrained in any way or held against skin, such as if tangled up in clothing, the spider will then bite defensively. However, if the female is with an egg sac it will remain close by it and sometimes move offensively to bite any threat. 501: 89: 737:. The male will enter the female's web and vibrate the silk as he approaches her. The female is usually aggressive at first and will chase the male from the web. The courtship process consists of the male bobbing, plucking and tweaking the web along with periods of cautious approach and being chased by the female. Eventually, when she becomes docile and allows him to approach, the male will then approach the female as she hangs quietly upside down in the web. The male moves onto her 493:-shaped marking. It has mainly black legs with the extremities changing to brown. The black katipō female, found in the upper North Island, does not have a red stripe on the top of its body, and the abdominal colouration is usually lighter, but is otherwise very similar in appearance to the red katipō. The hourglass pattern on the underside of the abdomen may also be less distinct, losing the middle section, and may even be absent. Variations also exist where the abdomen, 2784: 42: 66: 880: 761: 2798: 529: 1002:
been reported in New Zealand. The most recent fatality seems to have been in 1901, as reported in the Evening Post on 25 September of that year: "AUCKLAND, This Day. Mr. George Twidle, aged 47, son of Mr. George Twidle of Pukekohe, was bitten by a katipo spider on 16 September. His arm swelled, and he suffered great pain till Saturday last, when he died. He leaves a widow and several children."
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Marram grass has been extensively planted in New Zealand to help stabilise sand dunes and has largely replaced pīngao in many areas. Because marram grass grows in a very tight formation only leaving small gaps between tuffs, this makes it difficult for the katipō to construct a suitable web for capturing prey.
512:, with a predominantly white abdomen which has a series of red-orange diamonds running along the dorsal region bordered on either side by irregular black lines. Males retain this colouration into adulthood. Due to its much smaller size, Urquhart (1886) believed the male to be a separate species and named it 1001:
Māori legends recall many deaths, the last of which appears to have been a Māori girl who – according to the missionary Thomas Chapman – died in approximately 1849. While there were reports of severe katipō bites in 19th or early 20th century records, no other fatalities from spider bites have since
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has a distinctive red stripe bordered in white. In black katipō females found in the upper half of the North Island, this stripe is absent, pale, yellow, or replaced with cream-coloured blotches. These two forms were previously thought to be separate species. The male is much smaller than the female
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which is about 12 millimetres (0.47 in) in diameter. The female constructs five or six egg sacs over the next three to four weeks. Each egg sac contains about 70 to 90 fertilised eggs. The egg sacs are hung in the centre of the spider's web and the female spins more silk over them. Over time,
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or buffalo grass, create an environment unsuitable for web construction. The katipō therefore prefers to spin its web amongst pīngao plants as this plant's growth pattern leaves patches of sand between each plant. The wind can then blow insects and other prey through these gaps and into the web.
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mechanism that the spiderlings use to move away from the nest. In one study, observing spiders over 24 hours, 28% used a ballooning method, which is where the young spiders use air currents to carry themselves away from the nest suspended by a single web strand, while the majority, 61%, used a
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or bottles. Webs are almost always constructed over open sand and near the ground so as to catch crawling insects for food. Spiders inhabiting dune grasses construct their webs in open spaces between the grass tufts, while spiders inhabiting areas of shrubbery do so on the underside of a plant
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and quite different in appearance: white with black stripes and red diamond-shaped markings. Katipō are mainly found living in sand dunes close to the seashore. They are found throughout most of coastal New Zealand except the far south and west. Katipō feed mainly on ground dwelling
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The katipō is a small to medium-sized spider. The mature female has a body size of about 8 millimetres (0.31 in) with a leg span of up to 32 millimetres (1.3 in). The red katipō female, found in the South Island and the lower North Island, has a large black globular
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and shares many of the katipō's features. It is of similar size, shape, general colouration, but it lacks the red stripe on its back, and may have some red, orange or yellow on its abdomen. Due to these similarities it is commonly known in New Zealand as the "false katipō".
497:, or entire body is brown, sometimes with a dull red or yellow stripe, or cream-coloured spots on its upper side. These different forms were at one point thought to be different species, but a 2008 study demonstrated they were different morphs of the same species. 844:. It is estimated that there are only a few thousand katipō left in about 50 areas in the North Island and eight areas in the South Island, making it rarer than some species of kiwi. A number of factors have contributed to its decline; the major ones appear to be 1018:
spiders. It is generally characterised by extreme pain. Initially, the bite may be painful, but sometimes only feels like a pin prick or mild burning sensation. Within an hour victims generally develop more severe local pain with local sweating and sometimes
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is available, and no deaths have been reported since 1923. The katipō is particularly notable in New Zealand as the nation is almost entirely devoid of dangerous native wildlife; this unique status means the spider is well known, despite being rarely seen.
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spiders, the web is a disorganised, irregular tangle of fine textured silk. It is hammock-shaped and is made up of opaque yellowish-white silk. The web consists of a broad base with many supporting threads above and below, including a number of sticky
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on the west coast. This southern limit is due to the katipō needing temperatures higher than about 17 °C (63 °F) to be maintained during the development of their eggs – in the southern areas of New Zealand it is typically colder than this.
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anchored to debris in the sand. A cone-shaped retreat is built in the lower part of the web, although the katipō can normally be found near the main body of the web. The plants it builds its web in provide support and shelter for the nest.
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spiders can cause envenoming in humans. Bites by male spiders are much rarer than those by females, perhaps due to their smaller jaws rather than lacking venom of similar potency to females or being unable to administer an effective bite.
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Between 1967 and 1976, 23 of the 37 known hospitalisations for spider bites in New Zealand were attributed to katipō bites. The most recent reported katipō bites (as of 2016) were to a Canadian tourist in 2010 and a kayaker in 2012.
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being the main agent responsible. Most bites are caused by female spiders; the male katipō was considered too small to cause systemic envenoming in humans. However, bites from male redback spiders have been reported, suggesting male
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in November or December. The spiderlings hatch during January and February and disperse into surrounding plants. Due to habitat loss and colonisation of their natural habitat by other exotic spiders, the katipō is threatened with
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have been found sharing the same dune systems or even co-existing under the same piece of driftwood, suggesting that the two species can co-exist in similar habitats. It is possible that the displacement of the katipō by
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elasticity causes the prey to become suspended a few centimetres off the ground. The katipō then moves to the prey, turns so that the spinnerets are facing the insect and spins silk over it. Like most theridiids, the
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Treatment is based on the severity of the bite; the majority of cases do not require medical care, and patients with localised pain, swelling and redness usually only require local application of ice and routine
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envenoming. Unlike some other antivenoms, it is not limited to patients with signs of severe, systemic envenoming. Particular indications for using antivenom are local then generalised pain, sweating or
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in New Zealand. It is available from most major New Zealand hospitals. Antivenom will usually relieve the symptoms of systemic envenoming and is indicated in anyone suffering symptoms consistent with
712:, and other spiders. Katipō can catch insects much larger than themselves. These larger insects often become entangled in the web and in the ensuing struggle, the web's ground anchor line breaks. The 571:
overhanging open sand. It has been found that these patches of open sand are necessary for katipō to build their webs as plants that envelop sand dunes in dense cover, such as exotic plants like
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Vink, Cor J.; Sirvid, Phil J.; Malumbres-Olarte, Jagoba; Griffiths, James W.; Paquin, Pierre; Paterson, Adrian M. (2008). "Species status and conservation issues of New Zealand's endemic
1604: 947:, noted as "iconic, vulnerable to harm, and in serious decline". Under the Act, killing an absolutely-protected species such as a katipō is punishable by a fine or even imprisonment. 429:
over latitude and correlated with mean annual temperature. The katipō is so closely related to the redback that it was at one stage thought to be a subspecies, with the proposed name
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and driftwood collection have destroyed or changed areas where katipō lives. The introduction of many invasive exotic plants has also contributed to the decline of suitable habitat.
2316: 1760: 1216: 489:. The dark velvet-black abdomen is described as satin or silky in appearance, rather than being shiny. The underside of the abdomen is black and has a red patch or partial red 508:
Adult males and juveniles are quite different in appearance to the female. They are smaller in size, being about one sixth the size of an adult female. Juveniles have a brown
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Nicholson G. M.; Graudins A.; Wilson H. I.; Little M.; Broady K. W. (December 2006). "Arachnid toxinology in Australia: from clinical toxicology to potential applications".
1101:. However, good evidence to support the effectiveness of widow spider antivenoms is lacking and studies have cast some doubt on the efficacy of antivenoms in latrodectism. 1071:
or localised skin infection. The duration of effects can range from a few hours to days, with severe pain persisting for over 24 hours after being bitten in some cases.
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Garb J. E.; González A.; Gillespie R. G. (June 2004). "The black widow spider genus Latrodectus (Araneae: Theridiidae): phylogeny, biogeography, and invasion history".
1907: 1348: 1289: 1084:. Hospital assessment is recommended if simple analgesia does not resolve local pain or clinical features of systemic envenoming occur. In more severe bites, redback 1984: 1336: 1899: 804:. However, a male katipō cannot mate with the female redback as the male katipō is heavier than the male redback, and when it approaches the web it triggers a 785:. After six weeks of incubation, during January and February, the spiderlings hatch. The young spiders then disperse from the web. Little is known about the 2737:
Isbister G. K.; Brown S. G.; Miller M.; Tankel A.; Macdonald E.; Stokes B.; Ellis R.; Nagree Y.; Wilkes G. J.; James R.; Short A.; Holdgate A. (July 2008).
1793: 753:, which is performed by running his palps and legs through his fangs and wiping them over his body. The male is not eaten by the female unlike some other 808:
response in the female leading to the male being eaten before mating occurs. There is evidence of interbreeding between katipō and redbacks in the wild.
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The close relationship between the katipō and redback is shown when mating. A male redback is able to successfully mate with a female katipō producing
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has a large number of species both in New Zealand and worldwide. They are commonly known as tangle-web spiders, cobweb spiders or comb-footed spiders.
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bridging method where the spiderling uses its silk to move to nearby plants, and 11% still remained in the nest. The young spiderlings reach full
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and sand movement. They can sometimes be associated with dunes several kilometres from the sea when these dunes extend inland for long distances.
2949: 456:(the night). This name was apparently given to the species owing to the Māori belief that the spiders bite at night. Other common names include 1572: 2975: 1608: 2824: 485:, with slender legs and a white-bordered orange or red stripe on its back that runs from the uppermost surface of the abdomen back to the 962: 306:. It is a small to medium-sized spider, with the female having a round black or brown pea-sized body. Red katipō females found in the 2743: 2540: 1176: 2923: 931:
breeds year-round, produces more offspring and lives in a greater range of habitats which leads to greater pressure on the katipō.
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In 2010 the katipō was one of a dozen species of previously unprotected invertebrate given full protection under the 1953
421:(black katipō) were previously thought to be two separate species, but research has shown that they are a single species, 2265:
Isbister G.; Gray M. (2003). "Latrodectism: a prospective cohort study of bites by formally identified Redback spiders".
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Sutherland S.; Trinca J. (1978). "Survey of 2144 cases of Redback spider bites: Australia and New Zealand, 1963–1976".
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Although the 'kātĕpo' was reported to the Linnean Society as early as 1855, the spider was formally described as
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can be given. Redback antivenom can also cross-neutralise katipō venom, and it is used to treat envenoming from
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has been occurring for over a century following European settlement. Coastal dune modification resulting from
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Webs are typically established in low-growing dune plants and other vegetation such as the native pīngao (
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Hornabrook R. (1951). "Studies in preventive hygiene from the Otago Medical School: the katipo spider".
88: 2802: 776:, and are a transparent, purplish red. They are held together in a cream-coloured, round, ball shaped 2990: 1724: 597: 1921: 1576: 1362: 2340:"A Review of Records of Spider Bites of Humans in NZ Including Some Previously Unpublished Records" 2311: 1979: 539:
The katipō is restricted to a highly specialised habitat and is only found near the seashore among
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abdomen, tapping her rapidly until she moves to align his abdomen above hers. He then inserts his
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Foreign spiders have colonised areas where suitable habitat remains. The major coloniser is the
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The male wanders as an adult and in August or September goes looking for the females' webs to
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from the site. Less commonly, systemic envenoming is heralded by swollen or tender regional
3039: 3011: 2910: 786: 746: 622: 2595: 2395: 621:. On the east coast of the North Island it occurs irregularly, however, it is abundant on 8: 1068: 845: 387: 55: 2504: 2694: 2682: 2516: 2292: 2280: 2116: 2088: 2060: 1189: 1132: 837: 558: 486: 273: 225: 83: 2217:
Graudins A.; Padula M.; Broady K.; Nicholson G. M. (February 2001). "Red-back spider (
2998: 2897: 2762: 2717: 2686: 2647: 2622: 2599: 2559: 2536:"A prospective study of 750 definite spider bites, with expert spider identification" 2508: 2469: 2351: 2284: 2240: 2194: 2031: 1873: 1728: 1673: 1665: 1655: 1528: 1314: 1306: 1254: 944: 898: 884: 861: 849: 750: 718: 580: 2520: 2339: 2296: 445: 2902: 2752: 2698: 2678: 2591: 2549: 2500: 2359: 2276: 2232: 2184: 2176: 1926: 1857: 1488: 1479: 1367: 1298: 1246: 1185: 1152: 798: 552: 302:. The species is venomous to humans, capable of delivering a potentially dangerous 2180: 1930: 1371: 848:
and the declining quality of the remaining habitat. Human interference with their
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on the east coast). Both forms are found in the area in between these latitudes.
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on the east coast). The black katipō is found north of approximately 38° S (
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The red katipō is found south of approximately 39°15′ S (the western tip of
516:. This was not rectified until 1933 when it was correctly identified as the male 426: 1881: 1250: 2810: 2164: 1110: 658: 323:, caught in an irregular tangled web spun amongst dune plants or other debris. 315: 291: 2554: 2535: 721:
of the hind legs have a row of strong curved bristles which are arranged as a
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Sutton, Marion E.; Christensen, Brendon R.; Hutcheson, John A. (April 2006).
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in humans, although bites are rare. The incidence of bites is low as it is a
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After mating in August or September, the female katipō produces five or six
2860: 2766: 2757: 2738: 2736: 2690: 2603: 2563: 2288: 2244: 2198: 1877: 1532: 1258: 1144: 1098: 1048: 1020: 973: 956: 893: 873: 773: 754: 683: 626: 610: 378: 343: 339: 311: 307: 1900:"Distribution of the katipo spiders (Araneae: Theridiidae) of New Zealand" 2936: 2869: 2512: 1956: 1796:. Royal Forest and Bird Protection Society of New Zealand. Archived from 1028: 936: 869: 853: 764:
Female katipō with egg sac, and male, in a penguin box on Rangaiika Beach
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Vetter R. S.; Isbister G. K. (2008). "Medical aspects of spider bites".
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The clinical features of latrodectism are similar for all species of
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have a worldwide distribution and include all of the commonly known
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Slaughter R. J.; Beasley D. M.; Lambie B. S.; Schep L. J. (2009).
1605:"What is this bug? A guide to common invertebrates of New Zealand" 444:
katipō (singular and plural), often spelled "katipo", is from the
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in November or December. The eggs are round, about the size of a
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occurs over 10 to 30 minutes. After mating, the male retreats to
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Transactions and Proceedings of the Royal Society of New Zealand
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Transactions and Proceedings of the Royal Society of New Zealand
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Transactions and Proceedings of the Royal Society of New Zealand
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Bryant, E. B. (1933). "Notes on types of Urquhart's spiders".
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Handbook of clinical toxicology of animal venoms and poisons
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A clinician's guide to Australian venomous bites and stings
2221:) antivenom prevents the toxicity of widow spider venoms". 1439:"Conservation status of the New Zealand red katipo spider ( 1413:. Auckland: Collins Brothers & Co Ltd. pp. 225–35. 1172:"On the kātĕpo, a supposed poisonous spider of New Zealand" 1060: 984:
spiders are thought to contain similar components with the
821: 782: 722: 705: 351: 2579: 2084:"It's poisonous, but it's ours – DoC seeks aid for spider" 1636: 745:
one at a time, leaving the female between each insertion.
2112:"The Life Around Us: Enter amazing world of NZ's spiders" 1985:
Transactions and Proceedings of the New Zealand Institute
482: 2533: 1646:. DOC Research & Development Series. Vol. 237. 2488: 1512: 1510: 1508: 1506: 1504: 1334: 972:
Bites from katipō spiders produce a syndrome known as
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Wiener S. (July 1961). "Red back spider antivenene".
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areas from which the katipō had been displaced after
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the exterior of the egg sac may become covered with
1718: 1501: 1408: 1330: 1328: 2312:"On the katipo, a poisonous spider of New Zealand" 2264: 1818: 1753:"On the katipo, or venomous spider of New Zealand" 1570: 342:; symptoms include extreme pain and, potentially, 2646:. Sydney: Churchill Livingstone. pp. 470–9. 2337: 1591: 1122: 3031: 2459: 2333: 2331: 1897: 1325: 1023:(goosebumps). Pain, swelling and redness spread 2642:Murray, L; Daly F; Little M; Cadogan M (2011). 1791: 1607:. Landcare Research New Zealand. Archived from 1475:"The katipo or poisonous spider of New Zealand" 1977: 1721:Spiders of New Zealand And Their Worldwide Kin 1209:(katipo), the poisonous spider of New Zealand" 682:The katipō typically catches wandering ground 2527: 2328: 2109: 2081: 2053: 1893: 1891: 1516: 2534:Isbister G. K.; Gray M. R. (November 2002). 1853: 1851: 1849: 1847: 1845: 1843: 1787: 1785: 1783: 1781: 1779: 1777: 1775: 1468: 1466: 448:for "night stinger", derived from the words 2309: 2260: 2258: 2256: 2254: 2212: 2210: 2208: 2140:"Protection status changes to Wildlife Act" 1714: 1566: 1564: 1562: 371:by L. Powell in 1870. Spiders of the genus 2482: 2436:"Ocean kayaker survives nasty katipo bite" 2049: 2047: 1888: 1712: 1710: 1708: 1706: 1704: 1702: 1700: 1698: 1696: 1694: 1560: 1558: 1556: 1554: 1552: 1550: 1548: 1546: 1544: 1542: 1436: 1404: 1402: 1400: 1398: 1396: 1169: 927:or other dune modifications. Furthermore, 828:has been observed feeding on katipō eggs. 338:A katipō bite produces the toxic syndrome 64: 40: 2756: 2744:QJM: An International Journal of Medicine 2666: 2575: 2573: 2553: 2541:QJM: An International Journal of Medicine 2188: 2137: 1959:. The New Zealand National Poisons Centre 1920: 1840: 1772: 1750: 1746: 1744: 1632: 1630: 1628: 1626: 1602: 1492: 1472: 1463: 1432: 1430: 1428: 1426: 1424: 1422: 1420: 1361: 1337:"Preliminary study of development in two 1202: 1177:Zoological Journal of the Linnean Society 284:. It is one of many species in the genus 27:Species of arachnid native to New Zealand 2610: 2433: 2251: 2205: 1951: 1949: 1947: 1287:spider species (Araneae: Theridiidae)". 1131: 878: 840:and has recently become threatened with 759: 629:it is found in coastal regions south to 596: 566:, stones, or other debris such as empty 562:). They may also build their webs under 527: 499: 403:). The katipō's closest relative is the 2815:Museum of New Zealand Te Papa Tongarewa 2621:. Melbourne: CSL Ltd. pp. 303–15. 2044: 1826:Te Ara: The Encyclopedia of New Zealand 1691: 1539: 1393: 14: 3032: 2716:. Melbourne: CSL Ltd. pp. 52–54. 2635: 2570: 2303: 2002: 1741: 1650:: Science & Technical Publishing, 1623: 1450:New Zealand Department of Conservation 1417: 1278: 1276: 1274: 1272: 1270: 1268: 1141:The World Spider Catalog, Version 12.5 613:it is found along the West Coast from 2836: 2835: 2711: 2616: 2596:10.1146/annurev.ento.53.103106.093503 2453: 2403:"Spider bites tourist below the belt" 2021: 2015: 1944: 1238:Molecular Phylogenetics and Evolution 1196: 831: 816:The katipō has only one known direct 645:on the west coast, and just north of 2991:70d05e11-4df2-4641-b890-55dbbf13eb03 1411:New Zealand Spiders: An Introduction 1163: 2705: 2505:10.5694/j.1326-5377.1978.tb131783.x 1719:Forster, Ray; Forster, Lyn (1999). 1409:Forster, Ray; Forster, Lyn (1973). 1265: 1113:may be required as adjunct agents. 24: 2683:10.5694/j.1326-5377.1961.tb82565.x 2281:10.5694/j.1326-5377.2003.tb05442.x 1860:"New Zealand's venomous creatures" 1575:. CanterburyNature. Archived from 1190:10.1111/j.1096-3642.1856.tb00943.x 1149:American Museum of Natural History 601:The distribution of katipō spiders 556:) or the introduced marram grass ( 25: 3056: 2776: 2460:Meier J.; White J., eds. (1995). 2434:Johnston, Martin (9 March 2012). 2413:Canadian Broadcasting Corporation 2110:Virgil Evetts (11 January 2008). 2082:Simon Collins (14 January 2005). 2054:Simon Collins (14 January 2005). 1335:Forster L.; Kingsford S. (1983). 1035:, nausea, vomiting, abdominal or 704:), but it may occasionally catch 397:), and the European black widow ( 3017:urn:lsid:nmbe.ch:spidersp:007815 2796: 2782: 2670:The Medical Journal of Australia 2492:The Medical Journal of Australia 2268:The Medical Journal of Australia 2138:Wilkinson, Kate (10 June 2010). 2056:"Katipo now rarer than the kiwi" 2005:Records of the Canterbury Museum 1573:"Species Profile: Katipo spider" 1571:Hilary Ann Riordan (July 2005). 425:, with colour variation that is 87: 2730: 2660: 2427: 2377: 2158: 2131: 2103: 2075: 1996: 1971: 1865:The New Zealand Medical Journal 1812: 1520:The New Zealand Medical Journal 910:, although both the katipō and 728: 633:on the east coast and south to 3045:Endemic spiders of New Zealand 2338:O'Donnell, M. (October 1983). 1640:Field identification of katipo 1341:species (Araneae:Theridiidae)" 1228: 1031:; associated features include 820:: a small, undescribed native 471: 314:, are always black, and their 13: 1: 2181:10.1016/j.toxicon.2006.07.025 1980:"On new species of Araneidea" 1931:10.1080/00779962.1976.9722249 1372:10.1080/00779962.1983.9722437 1116: 1055:. Rare complications include 961:The katipō has venom that is 950: 481:, about the size of a garden 240:Latrodectus hasseltii atritus 2819:Katipō discussed on RadioNZ 2224:Annals of Emergency Medicine 1170:Ralph T.S. (18 April 1855). 1074: 811: 672: 431:Latrodectus hasseltii katipo 400:Latrodectus tredecimguttatus 7: 2583:Annual Review of Entomology 1251:10.1016/j.ympev.2003.10.012 1105:agents, such as parenteral 1009: 935:also belongs to the family 362: 10: 3061: 2385:"Accidents and Fatalities" 1652:Department of Conservation 954: 532:A katipō under a piece of 523: 310:and the lower half of the 298:), and the North American 245:Latrodectus katipo atritus 2844: 2024:Which New Zealand Spider? 1898:McCutcheon E. R. (1976). 1725:University of Otago Press 1437:Patrick B. (April 2002). 919:is due to its ability to 290:, such as the Australian 231: 224: 209: 202: 84:Scientific classification 82: 62: 53: 48: 39: 34: 2146:. New Zealand Government 1957:"Spiders in New Zealand" 1908:New Zealand Entomologist 1819:Roy Alexander Harrison. 1792:James Griffiths (2008). 1349:New Zealand Entomologist 1290:Invertebrate Systematics 1039:, generalised sweating, 592: 2555:10.1093/qjmed/95.11.723 2237:10.1067/mem.2001.113033 1978:Urquhart A. T. (1886). 1648:Wellington, New Zealand 1184:(published 1857): 1–2. 677: 661:on the west coast, and 609:to New Zealand. In the 394:Latrodectus geometricus 2813:on the website of the 2714:CSL antivenom handbook 2712:White, Julian (2001). 2617:White, Julian (2013). 2022:Crowe, Andrew (2007). 889: 794:the following spring. 768:The females lay their 765: 665:and just south of the 602: 536: 514:Theridion melanozantha 505: 250:Theridium melanozantha 963:medically significant 882: 763: 701:Bellorchestia quoyana 600: 531: 503: 466:New Zealand's redback 410:Latrodectus hasseltii 354:. Bites are rare, an 2807:at Wikimedia Commons 2758:10.1093/qjmed/hcn048 2468:. pp. 284–302. 2391:. 25 September 1901. 2310:Wright F.W. (1869). 2219:Latrodectus hasselti 1727:. pp. 173–177. 1135:(22 November 2011). 623:Great Barrier Island 391:), the brown widow ( 385:black widow spider ( 2821:Critter of the Week 2644:Toxicology handbook 1940:on 18 October 2008. 1133:Platnick, Norman I. 1069:respiratory failure 388:Latrodectus mactans 235:Latrodectus atritus 56:Conservation status 2876:Latrodectus katipo 2846:Latrodectus katipo 2804:Latrodectus katipo 2790:Latrodectus katipo 2440:New Zealand Herald 2117:New Zealand Herald 2089:New Zealand Herald 2061:New Zealand Herald 1800:on 11 October 2007 1751:Buller W. (1870). 1603:Clunie L. (2004). 1473:Anonymous (1872). 1441:Latrodectus katipo 1381:on 17 October 2008 1203:Powell L. (1870). 1157:10.5531/db.iz.0001 1137:"Fam. Theridiidae" 1090:Latrodectus katipo 890: 888:, the false katipō 838:endangered species 832:Population decline 766: 603: 559:Ammophila arenaria 537: 518:Latrodectus katipo 506: 415:Latrodectus katipo 369:Latrodectus katipo 274:endangered species 270:Latrodectus katipo 255:Theridium zebrinia 213:Latrodectus katipo 18:Latrodectus katipo 3027: 3026: 2999:Open Tree of Life 2838:Taxon identifiers 2801:Media related to 2723:978-0-646-26814-9 2475:978-0-8493-4489-3 2037:978-0-14-300643-5 1884:on 17 April 2011. 1734:978-1-877133-79-4 1661:978-0-478-14076-7 899:Steatoda capensis 885:Steatoda capensis 862:urban development 836:The katipō is an 504:A juvenile katipō 262: 261: 77: 16:(Redirected from 3052: 3020: 3019: 3007: 3006: 2994: 2993: 2984: 2983: 2971: 2970: 2958: 2957: 2945: 2944: 2932: 2931: 2919: 2918: 2906: 2905: 2893: 2892: 2880: 2879: 2878: 2865: 2864: 2863: 2833: 2832: 2800: 2787:Data related to 2786: 2771: 2770: 2760: 2734: 2728: 2727: 2709: 2703: 2702: 2664: 2658: 2657: 2639: 2633: 2632: 2614: 2608: 2607: 2577: 2568: 2567: 2557: 2531: 2525: 2524: 2486: 2480: 2479: 2457: 2451: 2450: 2448: 2446: 2431: 2425: 2424: 2422: 2420: 2399: 2393: 2392: 2381: 2375: 2374: 2372: 2370: 2335: 2326: 2325: 2307: 2301: 2300: 2262: 2249: 2248: 2214: 2203: 2202: 2192: 2162: 2156: 2155: 2153: 2151: 2135: 2129: 2128: 2126: 2124: 2107: 2101: 2100: 2098: 2096: 2079: 2073: 2072: 2070: 2068: 2051: 2042: 2041: 2019: 2013: 2012: 2000: 1994: 1993: 1975: 1969: 1968: 1966: 1964: 1953: 1942: 1941: 1939: 1933:. Archived from 1924: 1904: 1895: 1886: 1885: 1880:. Archived from 1855: 1838: 1837: 1835: 1833: 1816: 1810: 1809: 1807: 1805: 1789: 1770: 1769: 1757: 1748: 1739: 1738: 1716: 1689: 1688: 1686: 1684: 1645: 1634: 1621: 1620: 1618: 1616: 1600: 1589: 1588: 1586: 1584: 1579:on 28 March 2009 1568: 1537: 1536: 1527:(276): 131–138. 1514: 1499: 1498: 1496: 1494:10.1038/007029c0 1470: 1461: 1460: 1458: 1456: 1447: 1434: 1415: 1414: 1406: 1391: 1390: 1388: 1386: 1380: 1374:. Archived from 1365: 1345: 1332: 1323: 1322: 1280: 1263: 1262: 1232: 1226: 1225: 1213: 1200: 1194: 1193: 1167: 1161: 1160: 1129: 933:S. capensis 929:S. capensis 917:S. capensis 912:S. capensis 872:vehicles, beach 824:from the family 692:Cecyropa modesta 657:, just north of 553:Ficinia spiralis 407:redback spider ( 215: 92: 91: 71: 68: 67: 44: 32: 31: 21: 3060: 3059: 3055: 3054: 3053: 3051: 3050: 3049: 3030: 3029: 3028: 3023: 3015: 3010: 3002: 2997: 2989: 2987: 2979: 2974: 2966: 2961: 2953: 2948: 2940: 2935: 2927: 2922: 2914: 2909: 2901: 2896: 2888: 2883: 2874: 2873: 2868: 2859: 2858: 2853: 2840: 2779: 2774: 2735: 2731: 2724: 2710: 2706: 2665: 2661: 2654: 2640: 2636: 2629: 2615: 2611: 2578: 2571: 2548:(11): 723–731. 2532: 2528: 2499:(14): 620–623. 2487: 2483: 2476: 2458: 2454: 2444: 2442: 2432: 2428: 2418: 2416: 2401: 2400: 2396: 2383: 2382: 2378: 2368: 2366: 2336: 2329: 2308: 2304: 2263: 2252: 2215: 2206: 2163: 2159: 2149: 2147: 2144:beehive.govt.nz 2136: 2132: 2122: 2120: 2108: 2104: 2094: 2092: 2080: 2076: 2066: 2064: 2052: 2045: 2038: 2020: 2016: 2001: 1997: 1976: 1972: 1962: 1960: 1955: 1954: 1945: 1937: 1922:10.1.1.694.3380 1902: 1896: 1889: 1872:(1290): 83–97. 1856: 1841: 1831: 1829: 1821:"Katipo Spider" 1817: 1813: 1803: 1801: 1790: 1773: 1755: 1749: 1742: 1735: 1717: 1692: 1682: 1680: 1662: 1643: 1635: 1624: 1614: 1612: 1611:on 19 June 2008 1601: 1592: 1582: 1580: 1569: 1540: 1515: 1502: 1471: 1464: 1454: 1452: 1445: 1435: 1418: 1407: 1394: 1384: 1382: 1378: 1363:10.1.1.619.5453 1343: 1333: 1326: 1303:10.1071/IS08027 1281: 1266: 1233: 1229: 1211: 1201: 1197: 1168: 1164: 1130: 1123: 1119: 1111:benzodiazepines 1077: 1065:pulmonary edema 1012: 959: 953: 850:natural habitat 846:loss of habitat 834: 814: 731: 680: 675: 647:Waipatiki Beach 595: 526: 474: 452:(to sting) and 365: 220: 217: 211: 198: 86: 78: 70:Serious Decline 69: 65: 58: 28: 23: 22: 15: 12: 11: 5: 3058: 3048: 3047: 3042: 3025: 3024: 3022: 3021: 3008: 2995: 2985: 2972: 2959: 2946: 2933: 2920: 2907: 2894: 2881: 2866: 2850: 2848: 2842: 2841: 2828: 2827: 2817: 2808: 2794: 2793:at Wikispecies 2778: 2777:External links 2775: 2773: 2772: 2751:(7): 557–565. 2729: 2722: 2704: 2659: 2653:978-0729539395 2652: 2634: 2627: 2609: 2569: 2526: 2481: 2474: 2452: 2426: 2394: 2376: 2327: 2302: 2250: 2231:(2): 154–160. 2204: 2175:(7): 872–898. 2157: 2130: 2102: 2074: 2043: 2036: 2030:. p. 20. 2014: 1995: 1970: 1943: 1887: 1839: 1811: 1771: 1740: 1733: 1690: 1660: 1622: 1590: 1538: 1500: 1462: 1443:Powell, 1871)" 1416: 1392: 1356:(4): 431–439. 1324: 1297:(6): 589–604. 1264: 1245:(3): 1127–42. 1227: 1195: 1162: 1120: 1118: 1115: 1076: 1073: 1011: 1008: 955:Main article: 952: 949: 833: 830: 813: 810: 730: 727: 679: 676: 674: 671: 605:The katipō is 594: 591: 525: 522: 473: 470: 383:North American 364: 361: 260: 259: 258: 257: 252: 247: 242: 237: 229: 228: 222: 221: 218: 207: 206: 200: 199: 195:L. katipo 192: 190: 186: 185: 178: 174: 173: 168: 164: 163: 158: 154: 153: 148: 144: 143: 138: 134: 133: 128: 124: 123: 118: 114: 113: 108: 104: 103: 98: 94: 93: 80: 79: 63: 60: 59: 54: 51: 50: 49:Female katipō 46: 45: 37: 36: 26: 9: 6: 4: 3: 2: 3057: 3046: 3043: 3041: 3038: 3037: 3035: 3018: 3013: 3009: 3005: 3000: 2996: 2992: 2986: 2982: 2977: 2973: 2969: 2964: 2960: 2956: 2951: 2947: 2943: 2938: 2934: 2930: 2925: 2921: 2917: 2912: 2908: 2904: 2899: 2895: 2891: 2886: 2882: 2877: 2871: 2867: 2862: 2856: 2852: 2851: 2849: 2847: 2843: 2839: 2834: 2830: 2826: 2825:15 April 2016 2822: 2818: 2816: 2812: 2811:Katipō spider 2809: 2806: 2805: 2799: 2795: 2792: 2791: 2785: 2781: 2780: 2768: 2764: 2759: 2754: 2750: 2746: 2745: 2740: 2733: 2725: 2719: 2715: 2708: 2700: 2696: 2692: 2688: 2684: 2680: 2676: 2672: 2671: 2663: 2655: 2649: 2645: 2638: 2630: 2628:9780646579986 2624: 2620: 2613: 2605: 2601: 2597: 2593: 2589: 2585: 2584: 2576: 2574: 2565: 2561: 2556: 2551: 2547: 2543: 2542: 2537: 2530: 2522: 2518: 2514: 2510: 2506: 2502: 2498: 2494: 2493: 2485: 2477: 2471: 2467: 2463: 2456: 2441: 2437: 2430: 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881: 877: 875: 871: 867: 866:beach buggies 863: 859: 855: 851: 847: 843: 839: 829: 827: 826:Ichneumonidae 823: 819: 809: 807: 803: 800: 795: 793: 788: 784: 779: 775: 771: 762: 758: 756: 755:widow spiders 752: 748: 744: 740: 736: 726: 724: 720: 715: 711: 707: 703: 702: 697: 693: 689: 685: 684:invertebrates 670: 668: 667:Bay of Plenty 664: 660: 656: 655:Aotea Harbour 652: 648: 644: 639: 636: 632: 628: 624: 620: 616: 612: 608: 599: 590: 587: 582: 577: 574: 569: 565: 561: 560: 555: 554: 548: 546: 542: 535: 530: 521: 519: 515: 511: 502: 498: 496: 495:cephalothorax 492: 488: 484: 480: 469: 467: 463: 459: 455: 451: 447: 443: 438: 436: 432: 428: 424: 420: 416: 412: 411: 406: 402: 401: 396: 395: 390: 389: 384: 380: 379:widow spiders 376: 375: 370: 360: 357: 353: 349: 345: 341: 336: 334: 329: 324: 322: 317: 313: 309: 305: 301: 297: 293: 289: 288: 283: 279: 275: 271: 267: 256: 253: 251: 248: 246: 243: 241: 238: 236: 233: 232: 230: 227: 223: 216: 214: 208: 205: 204:Binomial name 201: 197: 196: 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Retrieved 2439: 2429: 2417:. Retrieved 2406: 2397: 2389:Evening Post 2388: 2379: 2369:11 September 2367:. Retrieved 2350:(2): 72–74. 2347: 2343: 2321: 2315: 2305: 2275:(2): 88–91. 2272: 2266: 2228: 2222: 2218: 2172: 2166: 2160: 2148:. Retrieved 2143: 2133: 2121:. Retrieved 2115: 2105: 2093:. Retrieved 2087: 2077: 2065:. Retrieved 2059: 2026:. Auckland: 2023: 2017: 2008: 2004: 1998: 1989: 1983: 1973: 1961:. Retrieved 1935:the original 1912: 1906: 1882:the original 1869: 1863: 1830:. Retrieved 1824: 1814: 1802:. Retrieved 1798:the original 1765: 1759: 1720: 1681:. Retrieved 1639: 1613:. Retrieved 1609:the original 1581:. Retrieved 1577:the original 1524: 1518: 1484: 1478: 1453:. Retrieved 1440: 1410: 1383:. Retrieved 1376:the original 1353: 1347: 1338: 1294: 1288: 1284: 1242: 1236: 1230: 1221: 1215: 1206: 1198: 1181: 1175: 1165: 1145:New York, NY 1140: 1099:hypertension 1093: 1089: 1078: 1049:hypertension 1021:piloerection 1015: 1013: 1004: 1000: 994: 981: 974:latrodectism 971: 960: 957:Latrodectism 945:Wildlife Act 942: 932: 928: 916: 911: 897: 891: 883: 874:horse riding 835: 815: 796: 774:mustard seed 767: 732: 729:Reproduction 699: 691: 681: 640: 627:South Island 611:North Island 604: 578: 557: 551: 549: 538: 517: 513: 507: 475: 465: 462:black katipō 461: 457: 453: 449: 439: 430: 422: 418: 414: 408: 398: 392: 386: 372: 368: 366: 344:hypertension 340:latrodectism 337: 325: 312:North Island 308:South Island 296:L. hasseltii 295: 285: 269: 265: 263: 254: 249: 244: 239: 234: 219:Powell, 1871 212: 210: 194: 193: 181: 157:Infraorder: 29: 3040:Latrodectus 2937:iNaturalist 2870:Wikispecies 2590:: 409–429. 2419:30 November 1723:. Dunedin: 1487:(159): 29. 1385:22 December 1339:Latrodectus 1285:Latrodectus 1207:Latrodectus 1103:Pain relief 1094:Latrodectus 1029:lymph nodes 1016:Latrodectus 995:Latrodectus 982:Latrodectus 937:Theridiidae 854:agriculture 663:Waipiro Bay 651:Hawke's Bay 579:Like other 472:Description 442:common name 435:Theridiidae 374:Latrodectus 300:black widow 287:Latrodectus 282:New Zealand 182:Latrodectus 171:Theridiidae 131:Chelicerata 127:Subphylum: 3034:Categories 2364:Q130278573 2190:10453/4648 1915:(2): 204. 1117:References 1082:analgesics 1037:chest pain 1025:proximally 990:latrotoxin 986:neurotoxin 951:Toxicology 921:recolonise 904:Wellington 842:extinction 747:Copulation 619:North Cape 615:Wellington 541:sand dunes 487:spinnerets 458:red katipō 419:L. atritus 405:Australian 333:extinction 280:native to 121:Arthropoda 2466:CRC Press 2356:0111-7696 1992:: 72–118. 1917:CiteSeerX 1670:1176-8886 1358:CiteSeerX 1311:1445-5226 1086:antivenom 1075:Treatment 908:Whanganui 812:Predators 806:predatory 802:offspring 787:dispersal 696:amphipods 673:Behaviour 635:Greymouth 625:. In the 586:guy lines 581:theridiid 564:driftwood 534:driftwood 491:hourglass 423:L. katipo 356:antivenom 189:Species: 141:Arachnida 107:Kingdom: 101:Eukaryota 2955:10968376 2855:Wikidata 2767:18400776 2691:13785109 2604:17877450 2564:12391384 2521:22729861 2445:14 April 2408:CBC News 2360:Wikidata 2344:The Wētā 2324:: 81–84. 2297:25632248 2289:12864719 2245:11174232 2199:16934848 2150:15 April 1878:19319171 1768:: 29–34. 1683:26 April 1678:68750074 1533:14853159 1319:50150601 1259:15120405 1224:: 56–59. 1041:headache 1010:Symptoms 870:off-road 858:forestry 818:predator 792:maturity 686:such as 643:Taranaki 568:tin cans 510:carapace 363:Taxonomy 328:egg sacs 272:) is an 226:Synonyms 167:Family: 117:Phylum: 111:Animalia 97:Domain: 2929:2157935 2916:1187520 2699:8667415 2168:Toxicon 2011:: 1–27. 1147:, USA: 1107:opiates 1057:seizure 1033:malaise 980:of all 896:spider 778:egg sac 739:ventral 688:beetles 631:Dunedin 607:endemic 524:Habitat 479:abdomen 348:seizure 321:insects 316:abdomen 292:redback 177:Genus: 151:Araneae 147:Order: 137:Class: 72: ( 35:Katipō 3004:551525 2988:NZOR: 2981:256738 2968:859136 2942:391391 2861:Q82255 2823:show, 2765:  2720:  2697:  2689:  2650:  2625:  2602:  2562:  2519:  2513:732670 2511:  2472:  2362:  2354:  2295:  2287:  2243:  2197:  2123:8 June 2095:8 June 2067:27 May 2034:  1963:26 May 1919:  1876:  1832:26 May 1804:26 May 1731:  1676:  1668:  1658:  1615:26 May 1583:27 May 1531:  1480:Nature 1455:26 May 1360:  1317:  1309:  1257:  1053:tremor 978:venoms 976:. The 925:storms 799:hybrid 714:silk's 698:(e.g. 690:(e.g. 659:Kawhia 573:kikuyu 545:storms 450:kakati 427:clinal 381:: the 278:spider 266:katipō 74:NZ TCS 2950:IRMNG 2903:3SLWM 2890:27916 2695:S2CID 2517:S2CID 2293:S2CID 1938:(PDF) 1903:(PDF) 1756:(PDF) 1644:(PDF) 1446:(PDF) 1379:(PDF) 1344:(PDF) 1212:(PDF) 1109:, or 1045:fever 860:, or 751:groom 743:palps 719:tarsi 710:flies 706:moths 694:) or 593:Range 446:Māori 350:, or 2976:NCBI 2963:ITIS 2924:GBIF 2885:BOLD 2763:PMID 2718:ISBN 2687:PMID 2648:ISBN 2623:ISBN 2600:PMID 2560:PMID 2509:PMID 2470:ISBN 2447:2016 2421:2012 2371:2024 2352:ISSN 2285:PMID 2241:PMID 2195:PMID 2152:2016 2125:2008 2097:2008 2069:2008 2032:ISBN 1965:2008 1874:PMID 1834:2008 1806:2008 1729:ISBN 1685:2012 1674:OCLC 1666:ISSN 1656:ISBN 1617:2008 1585:2008 1529:PMID 1457:2008 1387:2008 1315:OCLC 1307:ISSN 1255:PMID 1205:"On 1061:coma 1051:and 822:wasp 783:sand 770:eggs 735:mate 723:comb 678:Diet 464:and 440:The 417:and 352:coma 304:bite 264:The 3012:WSC 2911:EoL 2898:CoL 2753:doi 2749:101 2679:doi 2592:doi 2550:doi 2501:doi 2277:doi 2273:179 2233:doi 2185:hdl 2177:doi 1927:doi 1870:122 1489:doi 1368:doi 1299:doi 1247:doi 1186:doi 1153:doi 967:shy 906:to 649:in 617:to 483:pea 413:). 276:of 3036:: 3014:: 3001:: 2978:: 2965:: 2952:: 2939:: 2926:: 2913:: 2900:: 2887:: 2872:: 2857:: 2761:. 2747:. 2741:. 2693:. 2685:. 2675:48 2673:. 2598:. 2588:53 2586:. 2572:^ 2558:. 2546:95 2544:. 2538:. 2515:. 2507:. 2495:. 2464:. 2438:. 2411:. 2405:. 2387:. 2358:. 2346:. 2342:. 2330:^ 2320:. 2314:. 2291:. 2283:. 2271:. 2253:^ 2239:. 2229:37 2227:. 2207:^ 2193:. 2183:. 2173:48 2171:. 2142:. 2114:. 2086:. 2058:. 2046:^ 2007:. 1990:19 1988:. 1982:. 1946:^ 1925:. 1911:. 1905:. 1890:^ 1868:. 1862:. 1842:^ 1823:. 1774:^ 1764:. 1758:. 1743:^ 1693:^ 1672:. 1664:. 1654:. 1625:^ 1593:^ 1541:^ 1525:50 1523:. 1503:^ 1483:. 1477:. 1465:^ 1448:. 1419:^ 1395:^ 1366:. 1352:. 1346:. 1327:^ 1313:. 1305:. 1295:22 1293:. 1267:^ 1253:. 1243:31 1241:. 1220:. 1214:. 1180:. 1174:. 1151:. 1143:. 1139:. 1124:^ 1067:, 1063:, 1059:, 1047:, 1043:, 988:α- 868:, 856:, 757:. 708:, 520:. 468:. 460:, 454:pō 346:, 335:. 2769:. 2755:: 2726:. 2701:. 2681:: 2656:. 2631:. 2606:. 2594:: 2566:. 2552:: 2523:. 2503:: 2497:2 2478:. 2449:. 2423:. 2373:. 2348:6 2322:2 2299:. 2279:: 2247:. 2235:: 2201:. 2187:: 2179:: 2154:. 2127:. 2099:. 2071:. 2040:. 2009:4 1967:. 1929:: 1913:6 1836:. 1808:. 1766:3 1737:. 1687:. 1619:. 1587:. 1535:. 1497:. 1491:: 1485:7 1459:. 1389:. 1370:: 1354:7 1321:. 1301:: 1261:. 1249:: 1222:3 1192:. 1188:: 1182:I 1159:. 1155:: 294:( 268:( 76:) 20:)

Index

Latrodectus katipo

Conservation status
NZ TCS
Scientific classification
Edit this classification
Eukaryota
Animalia
Arthropoda
Chelicerata
Arachnida
Araneae
Araneomorphae
Theridiidae
Latrodectus
Binomial name
Synonyms
endangered species
spider
New Zealand
Latrodectus
redback
black widow
bite
South Island
North Island
abdomen
insects
egg sacs
extinction

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