. Bulletin of the British Museum (Natural History) Entomology. 210. 213 211 H 214 Figs 208-214 Stigmachrysa. 208-211, 213,214,S. cladostigma; 212, S. kervillei. 208, fore wing (from Kimmins); 209, apex of 6 abdomen, lateral; 210, apex of 9 abdomen, lateral; 211, 6 genitalia, dorsal; 212, 9 spermatheca, lateral; 213, 9 subgenitale and praegenitale, caudal; 214, 9 subgenitale and praegenitale, ventral. processus absent; arcessus short, with apical tooth, situated above membranous sac; pseudo- penis absent; gonosaccus short; gonosetae absent. Genitalia 9 (Figs 206, 207). Praegenitale absent; subg
. Bulletin of the British Museum (Natural History) Entomology. 210. 213 211 H 214 Figs 208-214 Stigmachrysa. 208-211, 213,214,S. cladostigma; 212, S. kervillei. 208, fore wing (from Kimmins); 209, apex of 6 abdomen, lateral; 210, apex of 9 abdomen, lateral; 211, 6 genitalia, dorsal; 212, 9 spermatheca, lateral; 213, 9 subgenitale and praegenitale, caudal; 214, 9 subgenitale and praegenitale, ventral. processus absent; arcessus short, with apical tooth, situated above membranous sac; pseudo- penis absent; gonosaccus short; gonosetae absent. Genitalia 9 (Figs 206, 207). Praegenitale absent; subgenitale broad, bilobed apically, con- nected to abdomen by long membranous tube supported by sclerotized apical extension of sternite 7; spermatheca large, strongly sclerot- ized; vela large; ventral impression deep; duct long, coiled. Larva. Unknown. Remarks. Oyochrysa shares many characters with Italochrysa Principi, to which it is probably closely related, but can be readily distinguished by the long, arcuate gonarcus in the male and the long apical extension of sternite 7 in the female. In Italochrysa, and the rest of the Belonopterygini, the gonarcus is short and transverse and sternite 7 is not extended in the 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 British Museum (Natural History). London : BM(NH)
Size: 2160px × 1157px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorbritishmuseumnaturalhistory, bookcentury1900, bookcoll
