. Bulletin. Natural history; Natural history. 850B. 850C Figs. 846-850.— Triaenodes, male genitalia. A, lateral aspect; B, tenth tergite; C, claspers. 12. Apex of claspers straight, tenth ter- gite sharply pointed, fig. 849 tarda, p. 250 Apex ot claspers bent mesad at a con- siderable angle, tenth tergite spatu- late, fig. 850 marginata, p. 251 13. Cerci present as earlike lobes; ventral margin of lateral plates of tenth segment angled to form a flat shelf, fig. 852. . r 14 Cerci absent, fig. 861; ventral margin of lateral plates of tenth tergite not angled 15 14. Bursa copulatrix situated at
. Bulletin. Natural history; Natural history. 850B. 850C Figs. 846-850.— Triaenodes, male genitalia. A, lateral aspect; B, tenth tergite; C, claspers. 12. Apex of claspers straight, tenth ter- gite sharply pointed, fig. 849 tarda, p. 250 Apex ot claspers bent mesad at a con- siderable angle, tenth tergite spatu- late, fig. 850 marginata, p. 251 13. Cerci present as earlike lobes; ventral margin of lateral plates of tenth segment angled to form a flat shelf, fig. 852. . r 14 Cerci absent, fig. 861; ventral margin of lateral plates of tenth tergite not angled 15 14. Bursa copulatrix situated at the end of a long, flat stalk, fig. 851 grisea, p. 249 Bursa copulatrix sessile, attachments short, fig. 852 frontalis, p. 249 15. Plates of ninth sternite with ventral aspect forming a V with swollen arms, lateral aspect pointed at both ends, fig. 853 aba, p. 249 Plates of ninth sternite not shaped like the above, figs. 854-861 16 16. Apodeme of tenth segment long and sinuate, reaching far past bursa copulatrix almost to sixth segment, fig. 854 perna, p. 250 .Apodeme of tenth segment not reach- ing bevond apex of bursa copulatrix, fig'. 855 17 17. .Apodeme above bursa copulatrix long, ending in a swollen, emarginate, scle- rotized plate, fig. 855. .injusta, p. 252 .Apodeme not extending above bursa copulatrix, fig. 856 18. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
Size: 1516px × 1647px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
