AQUATIC INSECTS IN NEW YORK STATE 469 



in both pairs of wings of both sexes. Length to tip of wings 



38 to 48 mm; ahir expanse 65 to 80 mm. 



Brazil. 



4 N. hieroglyphicus Kambur 



1842 N e u r o m 11 s li i e r o g 1 y p li i c u s Rambiir, Hist. Nat. Neiir. 



p.442 

 1853 Hermes h i e r o g 1 y p b i c u s Walker, Cat. Brit. Mus. Neur. 



P.206 

 18G1 C o r y d a 1 i s h i e r o g 1 y p li i c u s Hagen, Synopsis Neur. N. Am. 



p.194 

 1869 N e u r m u s li i e r o g 1 y p li i c u s McLaclilan, Aun. and Mag. 



Nat. Hist. (4), 4:45 



Pale yellow; mandibles brown; cheeks convex, one toothed; 

 head with two black spots behind, which fade out in some speci- 

 mens; prothorax cylindric with four black or brown spots or 

 marks; mesothorax with sometimes two to four similar marks; 

 feet yellow, base and apex of tibiae and apex of tarsi black; 

 antennae short, black with bases yellow; appendages of male 

 four, superior ones the longer, apex recurved; inferior ones 

 stout, apex clavated; wings yellowish hyaline, cross veins in 

 front pair partly black, and those wings marked posteriorly 

 with more or less distinct black spots; media of fore wings 

 with three branches; cross veins between all branches of radius, 

 about 10 to 17; Cu^ with 1 to 2 accessories. Length to tip of 

 wings 40 to 65 mm; alar expanse 65 to 90 mm. 



Mexico, Central America, Brazil, Venezuela. 



5 N. corripiens Walker 



1860 Hermes corripiens ^\'allier, Ent. Soe. Loud. Trans, n. s. 5:180 



1861 C o r y d a 1 i s 1 i v i d a Hagen, Synopsis Neur. N. Am. p.321 {nomen 



1869 N e u r m u s corripiens McLacblan, Aun. and Mag. Nat. Hist. 

 (4), 4:45 



General color testaceous; mandibles black, marked with dark 

 brown; head black between the ocelli; heads slightly angled; 

 prothorax narrower than the head, almost linear; two elongated 

 black dots on each side, the fore pair sometimes almost obso- 

 lete; legs yellow above, darker below, tarsi blackish; antennae 

 simple, black, testaceous toward the base; wings whitish hyaline, 

 veins testaceous, fore pair with the cross veins more or less 



