i AQUATIC INSECTS IX XEW YORK STATE 477 



dd Front wings densely clouded in many 



places, specially just back of Ei 7 b a t e s 11 



cc Costal cells with only one or no white dots 

 d Front wings with darlj circle near the fork- 

 ing of media; triangular white spot at 



stigma Snubila 



dd Front wings not marked as above Garmata 



DiESCRIPTION AND GEOGRAPHIC RANGE OP SPECIES 



1 C. inamabilis McLachlan 



1868 Corydalis inamabilis McLdlchlan, Linn. Soc. Jom'. 9:235, 

 pl.8, fig.3 



Pale brown; abdomen pale fuscous; palpi black, with broad 

 whitish yellow annulations; mandibles long, slender, finely 

 rugose, pale brown with apical portion black; head yellowish 

 brown, anterior margin nearly black; finely rugose above, 

 beneath, and posteriorly with coarsely reticulated spaces; ocelli 

 yellow; eyes plumbeous; caudal portion of head with im- 

 pressed streaks and spots; prothorax longer than broad, slightly 

 widened posteriorly; upper surface convex, pale brown, has- 

 tate median impression behind; roughened raised places along 

 the sides; legs and feet pale yellowish brown, tarsi and tips of" 

 tibiae darker; antennae scarcely shorter than body, pale brovra, 

 three or four terminal joints black, basal joints bulbous, jointsi 

 beyond basal fourth with a short triangular acute tooth ; appen-. 

 dages of the male long, yellowish, slightly pilose; superior pair 

 sinuate, the tips bent under and somewhat retuse; inferior pair 

 genicuiated, apexes directed upward and slightly dilated; wings 

 long and narrow, subacute, cinereo-subhyaline; front pair with 

 white dots in cells everywhere except in the costal area, Sc area 

 with fuscous spaces, stigmatic region slightly yellowish, 0-So 

 cross veins black except those near the middle, which are whitish 

 in the center; all discal and apical cross veins black; longi- 

 tudinal veins yellow, subcosta and radius marked with fuscous; 

 hind wings hardly paler, cross veins of discal and apical areais 

 black, those in basal discal region yellow; front wings with 

 about 26 cross veins between all branches of radius, media with 

 four branches, CUi with three accessories. Alar expanse 100mm; 

 body without appendages 35mm; mandibles of male 26mmw 



Waco and Dallas Tex. 



