. Bulletin. Natural history; Natural history. August, 1944 Ross: Caddis Flies of Illinois 125 Tascobia palmata (Ross) Stactobia palmata Ross (1938«, p. 116); d^, 9. Larva.—Length mm. Sclerites cream to dusky, with dark lines and spots along sutures. Adult.—Size, color and structure as de- scribed for genus. Male genitalia, fig. 460: ninth segment forming a long internal shelf open ventrally; tenth tergite membranous; claspers short, ovate at apex; above them arise a pair of stalked processes divided at apex into three fingers; aedeagus simple and tubular. Female genitalia with a ring of sp


. Bulletin. Natural history; Natural history. August, 1944 Ross: Caddis Flies of Illinois 125 Tascobia palmata (Ross) Stactobia palmata Ross (1938«, p. 116); d^, 9. Larva.—Length mm. Sclerites cream to dusky, with dark lines and spots along sutures. Adult.—Size, color and structure as de- scribed for genus. Male genitalia, fig. 460: ninth segment forming a long internal shelf open ventrally; tenth tergite membranous; claspers short, ovate at apex; above them arise a pair of stalked processes divided at apex into three fingers; aedeagus simple and tubular. Female genitalia with a ring of spines at apex of eighth segment; bursa copulatrix as in fig. 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: 1111px × 2250px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory