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537:), an invasive species that native spiders have not been known to eat, and it has also been hoped that they may consume mosquitoes and flies, although flies, mosquitoes, and many other flying insects are consumed by native species of all sorts. Some hope that the impact of the species will be positive due to their harmless nature and consumption of primarily invasive or nuisance insects.
518:'s range spans at least 120,000 km (46,000 sq mi), occurring across the US states of Georgia, South Carolina, North Carolina, and Tennessee, with additional reports in Alabama, Maryland, Oklahoma, West Virginia, and Pennsylvania. Its pattern of spread suggests it is primarily driven by natural dispersal mechanisms, such as
427:
Both males and females have large abdomen and long legs. The adult female individual has stripes of yellow and dark blue, with red toward the rear of the abdomen. In autumn, smaller males may be seen in the webs of the females for copulating. After mating, the female spins an egg sack on a tree,
525:
The Joro spider is expected to be in the southern portions of New York state and surrounding US states sometime in the summer of 2024, according to a June 5 CBS news article. The Joro spider has been spotted in the US states of
Florida, Alabama, Mississippi, North and South Carolina, Tennessee,
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This spider's bite does not pose significant risks to humans. Their small fangs and reluctant biting behavior make it unlikely for a bite to occur. When bites do take place, the venom is weak. The temporary pain and redness has been compared to that of a bee sting.
467:
526:
Kentucky, Virginia, West
Virginia, Maryland and Ohio, according to CBS. The Joro spiders "seem to be OK with living in a city," said University of Georgia researcher Andy Davis, adding that he has seen the Joro spiders on street lamps and telephone poles.
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pass winter as eggs and scatter as tiny juveniles in the spring. Like most spiders, females are much larger than males. The adult female's body size is 17–25 millimetres (0.67–0.98 in) while the male's is 7–10 millimetres (0.28–0.39 in).
507:. While the Joro spider was first observed in the warm climates of the Gulf and lower East Coast, they are now expected to colonize much of the middle Eastern Seaboard of the United States due to their relative imperviousness to modest cold.
718:
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1202:‘Like a Scene Out of ‘Arachnophobia,” Invasive Spiders Take Over Northern Georgia - Scientists are torn on whether the Joro spider could have positive or negative effects on the native ecosystem
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The web of females may reach several meters in length. In sunlight, the yellow threads appear to be a rich gold color. The structure of the web seen in cross-section is unusual for an
1201:
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As of 2022, because of the relative lack of information about its ecology, their impact on their new ecosystem is unknown. They have been observed catching the
459:
that can transform into a beautiful woman who can breathe fire and control other spiders. She seeks men to seduce, whom she then binds in her silk and devours.
950:
474:
This spider was about 5 cm long. The large one is the female and the smaller one in the background is the male - filmed in Tokyo, Japan on
September 29, 2013
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laying 400 to 1500 eggs in one sack. Her lifecycle ends by late autumn or early winter with the death of the spider. The next generation emerges in spring.
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846:"Golden Orbweavers Ignore Biological Rules: Phylogenomic and Comparative Analyses Unravel a Complex Evolution of Sexual Size Dimorphism"
567:
1061:"The Jorō spider (Trichonephila clavata) in the southeastern U.S.: an opportunity for research and a call for reasonable journalism"
1507:
1347:
1177:"Giant venomous flying spiders with 4-inch legs heading to New York area as they spread across East Coast, experts say - CBS News"
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1010:"Trichonephila clavata L Koch, the Joro Spider of East Asia, newly recorded from North America (Araneae: Nephilidae)"
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495:, in 2013. Since then, they have been spotted in numerous locations in northeast Georgia, including the
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Kuntner, Matjaz; Hamilton, Chris; Cheng, Ren-Chung; Gregorič, Matjaž; et al. (2019).
8:
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951:"No, you don't need to worry about joro spiders. They may even be helpful in some ways"
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1109:"Scientists confirm first North American record of East Asian Joro spider"
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1128:"Madison County man captures spider never before seen in North America"
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30:"Joro spider" redirects here. For the mythological creature, see
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1154:"Asian "Fortune-Teller" Spider Found in U.S. for First Time"
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368:, but it rarely bites humans and its venom is not deadly.
522:, though human-mediated transport cannot be discounted.
389:, is commonly found in Australia. It also was moved from
1007:
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1008:Hoebeke ER, Huffmaster W, Freeman BJ (2015-02-05).
510:Scientists confirmed the first known occurrence of
514:in North America in 2014, and as of October 2022,
791:10.2305/IUCN.UK.2017-1.RLTS.T89292211A89292868.en
483:The spider is an introduced species in northeast
1615:
980:"Like it or not, Joro spiders are here to stay"
371:In 2019, this species was moved from the genus
319:
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1001:
503:. It is believed that the species will become
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766:Kuntner, M.; Rudolf, E.; Cardoso, P. (2017).
491:in North America. They were first spotted in
445:The common name of the spider comes from the
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903:Penn State College of Agricultural Sciences
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1644:Taxa named by Ludwig Carl Christian Koch
633:Female with a male in the background on
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1138:from the original on 26 October 2020.
1248:Big Yellow Spiders in South Carolina
978:Gravrilles, Beth (26 October 2020).
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1624:IUCN Red List least concern species
777:IUCN Red List of Threatened Species
479:Introduced species in North America
383:. Another species from this genus,
24:
431:
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25:
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1601:urn:lsid:nmbe.ch:spidersp:013940
1405:urn:lsid:nmbe.ch:spidersp:013940
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573:Female spider with two males in
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360:, and has been spreading across
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1205:, Smithsonian, November 9, 2021
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905:. Pennsylvania State University
397:, along with 10 other species.
1052:
949:Romo, Rebecca (9 March 2022).
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13:
1:
1126:Shearer L (30 October 2014).
826:. Natural History Museum Bern
752:
726:Oconee County, South Carolina
614:Female at a military base in
925:"The Legend of the Jorōgumo"
293:Bösenberg & Strand, 1906
7:
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320:
10:
1660:
1086:10.1007/s10530-022-02914-3
540:
531:brown marmorated stink bug
501:Greenville, South Carolina
282:Nephila clavata cavalierei
29:
1639:Spiders described in 1878
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340:, it is found throughout
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95:Scientific classification
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1254:August 31, 2021, at the
1175:Cohen, Li (2024-06-05).
784:: e.T89292211A89292868.
1243:Joro Spider Information
929:Joro Spider Information
590:Bukhansan National Park
588:Female spider found at
364:since the 2010s. It is
487:and northwest/upstate
475:
410:
409:Female seen from below
386:Trichonephila plumipes
1275:Trichonephila clavata
1237:Trichonephila clavata
1225:Trichonephila clavata
866:10.1093/sysbio/syy082
818:Trichonephila clavata
728:(USA) in October 2023
724:Joro spider found in
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414:Trichonephila clavata
408:
304:Trichonephila clavata
224:Trichonephila clavata
43:Trichonephila clavata
1239:at Wikimedia Commons
824:World Spider Catalog
499:, area, and also in
307:, also known as the
1158:National Geographic
1077:2023BiInv..25...17C
1059:Chuang, A. (2023).
746:Tegenaria parietina
708:Juvenile female in
274:Nephila clavatoides
65:Conservation status
853:Systematic Biology
476:
411:
1611:
1610:
1573:Open Tree of Life
1267:Taxon identifiers
1235:Media related to
1027:10.7717/peerj.763
986:. Athens, Georgia
859:(1147): 555–572.
493:Hoschton, Georgia
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457:Japanese folklore
336:genus. Native to
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1164:on 3 March 2016.
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820:(L. Koch, 1878)"
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1071:(1): 17–26.
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301:
290:Argiope maja
289:
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265:
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192:
168:Infraorder:
42:
36:
1521:iNaturalist
1441:Wikispecies
1361:iNaturalist
658:South Korea
598:South Korea
505:naturalized
441:In folklore
309:Joro-spider
269:Simon, 1906
142:Chelicerata
138:Subphylum:
1629:Nephilidae
1618:Categories
1290:Q104386227
1186:2024-06-05
830:2017-05-14
753:References
740:Joro toxin
693:Female in
554:Female in
520:ballooning
516:T. clavata
512:T. clavata
455:spider in
182:Nephilidae
132:Arthropoda
1095:253475825
984:UGA TODAY
453:legendary
338:East Asia
321:Jorō-gumo
200:Species:
152:Arachnida
118:Kingdom:
112:Eukaryota
1565:89292211
1539:10905265
1426:Wikidata
1353:10670284
1322:BugGuide
1298:BioLib:
1284:Wikidata
1252:Archived
1136:Archived
1046:25699210
1020:: e763.
885:30517732
734:See also
695:Rikugien
635:Enoshima
448:jorōgumo
366:venomous
350:Hokkaidō
348:(except
241:Synonyms
178:Family:
128:Phylum:
122:Animalia
108:Domain:
85:IUCN 3.1
32:Jorōgumo
1588:2011084
1513:2149495
1487:1193391
1432:Q136925
1392:2740835
1379:1122623
1327:1046312
1150:Drake N
1113:SciGuru
1073:Bibcode
1037:4327315
960:9 March
934:17 June
876:6568015
797:25 July
671:Web on
654:ladybug
556:Ibaraki
541:Gallery
485:Georgia
422:orb web
391:Nephila
374:Nephila
330:in the
326:, is a
234:, 1878)
232:L. Koch
188:Genus:
162:Araneae
158:Order:
148:Class:
83: (
58:Female
1585:uBio:
1578:997305
1552:862584
1500:NEPLCV
1366:904334
1314:982617
1301:323722
1093:
1044:
1034:
909:7 June
883:
873:
616:Aibano
358:Taiwan
356:, and
328:spider
315:ジョロウグモ
1534:IRMNG
1526:68379
1474:937PG
1340:58FYQ
1091:S2CID
1014:PeerJ
849:(PDF)
712:(USA)
676:cable
639:Japan
620:Japan
594:Seoul
560:Japan
354:Korea
346:Japan
342:China
1560:IUCN
1547:ITIS
1508:GBIF
1495:EPPO
1387:NCBI
1374:ITIS
1348:GBIF
1309:BOLD
1042:PMID
992:2021
962:2022
936:2022
911:2024
881:PMID
799:2023
782:2017
451:, a
1596:WSC
1482:EoL
1469:CoL
1456:ADW
1400:WSC
1335:CoL
1081:doi
1032:PMC
1022:doi
955:NPR
871:PMC
861:doi
786:doi
678:in
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393:to
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