clavata Mary Nouri Arnoldsville GA July 2022 Overview Native to East Asia Detected in GA in 2014 One generation per year in native range Sarah Morgan Cumming GA Eggs Egg sacs laid midOctober to November ID: 1031959
Download Presentation The PPT/PDF document "Jorō spider Trichonephila" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
1. Jorō spiderTrichonephila clavataMary Nouri, Arnoldsville, GAJuly 2022
2. OverviewNative to East AsiaDetected in GA in 2014One generation per year in native rangeSarah Morgan, Cumming, GA
3. EggsEgg sacs laid mid-October to NovemberDense, white silk sacs contain 400-500 eggsAttached to leaves, tree bark, and human-made structuresWesley Huffmaster, Colbert, GA
4. Adult females0.67-1.2 in (17-30 mm) longBright yellow, with broad, horizontal bluish-green bands on the top side of the abdomen large red markings on the bottom side of the abdomenLong, black legs with yellow-orange bands; rarely all blackSexually mature in September and OctoberMary Nouri, Arnoldsville, GA
5. Adult males0.16-0.31 in (4-8 mm) long Cephalothorax is light brown with two dark brown long stripes on both sides Abdomen is elongate-oval, topside a greenish-brown with two yellowish long stripes on both sides of the dark brown middle lineWesley Huffmaster, Colbert, GA
6. LookalikeJorō spider (Trichonephila clavata)golden silk orb-weaver (Trichonephila clavipes)Comparing mature females1st, 2nd, and 4th pairs of legs have black tufts of hair near jointsMary Nouri, Arnoldsville, GAChris Evans, University of Illinois, Bugwood.orgAbdomen Yellow-orange with white spotsLegs yellow-orange with brown bandsAbdomen bright yellow, with broad, horizontal bluish-green bands Legs black with yellow bands, rarely all blackLegs lack black tufts of hair near joints