. Bulletin. Natural history; Natural history. 649. Fig. 646.—Limnephilus consocius larva, head and thorax. Fig. 647.—Limnephilus submonilijer larva, head and thorax. Fig. 648.—Limnephilus rhombicus larva, head and thorax. Fig. 649.—Limnephilus indivisus larva, head and thorax. Fig. 650.—Limnephilus submonilijer larva, first abdominal tergite. Fig. 651.—Limnephilus rhombicus larva, first abdominal tergite. and spatulate, or with apical margin incised, figs. 655-658 6 Cerci long and rounded or pointed at apex, figs. 659-661 9 6. Claspers reduced to a small, sharp triangle; processes of tenth ter
. Bulletin. Natural history; Natural history. 649. Fig. 646.—Limnephilus consocius larva, head and thorax. Fig. 647.—Limnephilus submonilijer larva, head and thorax. Fig. 648.—Limnephilus rhombicus larva, head and thorax. Fig. 649.—Limnephilus indivisus larva, head and thorax. Fig. 650.—Limnephilus submonilijer larva, first abdominal tergite. Fig. 651.—Limnephilus rhombicus larva, first abdominal tergite. and spatulate, or with apical margin incised, figs. 655-658 6 Cerci long and rounded or pointed at apex, figs. 659-661 9 6. Claspers reduced to a small, sharp triangle; processes of tenth tergite narrow and sharp, projecting below level of cerci, fig. 655. .sericeus, p. 192 Claspers large, fig. 656, or projecting as finger-like processes, fig. 657; processes of tenth tergite projecting between cerci and at least partially hidden by them in lateral view. ... 7 7. Cerci with apical margin uniformly black and heavily sclerotized, emar- ginate, forming a produced dorsal lobe, fig. 656; mesal face of cerci without row of teeth near base. . consocius, p. 190 Cerci with apical margin not black but with mesal, sclerotized teeth black; apical margin nearly straight, with the dorsal corner rounded, figs. 657, 658; mesal face of cerci with a row of black, sclerotized teeth near base, fig. 658 8 8. Claspers broad, nearly as broad as cerci; lateral arms of aedeagus end- ing in a membranous, diamond- shaped lobe with a dense brush of spines, fig. 657 hyalinus, p. 191 Claspers finger-like, much narrower than cerci; lateral arms of aedeagus bladelike and with a dorsal angula- tion, bearing a definite dorsal row of setae, fig. 658 indivisus, p. 191 9. Claspers small and platelike, without any projecting parts, fig. 659 moestus, p. 191 Claspers with a long, pointed apical portion, fig. 660 10 10. Cerci longer, more slender at tip and curved slightly ventrad, fig. 660. . sordidus, p. 189 Cerci shorter and stouter, straight and tapered at tip to a point, fig. 661. . bimacu
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