AQUATIC INSECTS IN NEW YORK STATE ASE 
General color luteous; head large, broad, ferruginous, the 
sides convex, marked behind with obsolete luteous spots; pro- 
thorax much narrower than head, longer than broad; sides of 
middle obsoletely impressed; concolor or luteous spots behind 
and at the sides; legs lurid, base of tibiae and some tarsal seg- 
ments nigro-fuscous; antennae slender, light yellow to brown, 
dark at outer end; superior male appendages cylindric, long,. 
oblique, truncated at apex; inferior ones recurved at the apex, 
clavate; wings subcinereo to luteo hyaline; cross veins dark 
except the middle part of those of costal region; veins luteous,,. 
partly fuscous; a few white dots, usually only one to a cell;. 
front pair with cross veins between all branches of radius about 
25, media with three branches, Cu, with four to five branches. 
Length to tip of wings 55 to 85 mm; alar expanse 110 to 140 mm. 
Vera Cruz, Mexico, Brazil, Cordova, Spain. 
7 C. batesii McLachlan 
1868 Corydalis batesii McLachlan, Linn. Soc. Jour. 9:232, pl.8,. 
fig.1 
Color of body brown, or dusky on the abdomen; head above 
and beneath dark brown; mandibles of female black at tips;. 
palpi black; head marked behind with five punctures, front 
margin yellow; ocelli yellow; eyes dark olivaceous; prothorax 
_longer than broad, scarcely dilated behind, sides nearly parallel, 
very convex above, smooth, dull brown, with three short im- 
pressed concolor spaces behind; mesothorax and metathorax 
scarcely broader than the prothorax, pale brown; legs finely 
pilose, fuscous, paler beneath, all tarsi and the apical part of 
the tibiae yellowish, specially behind; antennae yellow with 
black tips, very slender, not toothed, not over two thirds the 
length of the body; wings long and narrow, front pair ashy, 
dusky area beyond the middle, many blackish blotches in front 
portion, one at stigmatic region, several in subcostal region, 
and others baék of the radius, white dots in the cells, several 
angles of the veins black, cross veins mostly black except the 
middle parts of those in the basal half of costal region; hind 
