AQUATIC INSECTS IX NEW YORK STATE 463 



between all the brauehes of radius, about seven to 10, and 

 radial sector with five brandies. Length to tip of wings 45 to 

 55 mm; alar expanse 70 to 85 mm. 



Ithaca N. Y. The dates on all specimens in Cornell collec- 

 tion, so far as they are dated, are in the latter half of July. 



The species is most like C. c a 1 i f o r n i c u s in general 

 appearance, but differs in color of the hind part of the head, 

 color of the antennae and feet, and in other minor points. 



7 C. minimus n. sp. 



Body color blackish; mandibles black; head small, black, with 

 smooth raised streaks and spots behind black; prothorax black, 

 very narrow, smooth raised places almost wanting; legs and 

 feet black; antennae very slender, filiform to moniliform, black, 

 nearly equaling the body in length; wings much like those of 

 0. c a 1 i f o r n i c u s in color and markings ; the front pair 

 with cross veins between all branches of radius, about seven, 

 and radial sector divided into five branches. Length to tip of 

 wings about 28 to 35 mm; alar expanse 50 to 65 mm. 



San Rafael Cal. Types in Museum of Comparative Zoology. 



8 C. disjunctus Walker 

 1866 C h a u 1 i d e s disjunctus Walker, Lord's Naturalist in 



Vancouver isl. 2:334 

 1869 Chauliodes disjunctus McLaclilan, Ann. and Mag. Nat. 



Hist. (4), 4:40 



General color brown, often with cinereous hairs; mandibles 

 with black tips; head dark rufous, thickly punctured, hind part 

 with long, shining, dark streaks, some of which are not continu- 

 ous; prothorax rather long and much narrower than the meso- 

 thorax; legs lightest toward the body, varying in color from 

 blackish to yellowish brown; antennae very short, brown, pilose; 

 wings cinereous, with numerous dark brown spots and dots, 

 some of which form incomplete transverse lines most marked 

 on front wings; that pair with some of the spots collected into 

 about five costal patches, some very dense basal spots; radial 

 sector of front wings with five to six branches; cross veins 

 between all the branches of radius, about seven to nine. Length 



