458 NEW YORK STATE MUSEUM 



au Wings somewhat ashy in color with more or less 

 dusky markings 

 6 Veins of fore wings marked with daik and light 

 uniformly alternate 

 c Antennae of both sexes sen-ate; prothorax with 



pale line in middle behind 3 r a s t r i c o r n i s 



cc Antennae of both sexes pectinated 4 pectinicoruis 



66 Veins of fore wings uniform in color except 

 where the dusky markings cross them 

 c Head yellow behind by the confluence of the 

 smooth areas 



d Antennae brown Sangusticollis 



dd Antennae blackish 6 concolor 



CO Head with the smooth areas dark brown or 

 blackish 

 d Antennae black; alar expanse 50 to 65 mm. . 7 m i n i m u s 



dd Antennae brown; alar expanse 75 to 100 mm 

 e Area about ocelli much depressed; anten- 

 nae of male about equal in length to 

 head and thorax; those of female much 



shorter 8 d i s j u n c t u s 



ee Area about ocelli not depressed; antennae 



of male densely bristly, as long as body. .9 californicus 



DESCRIPTION AND GEOGRAPHIC RANGE OF SPECIES 



1 C. fasciatus Walker 



1853 Chau Modes fasciatus Walker, Cat. Brit. Mus. Neur. p.20l 



1861 Chauliodes serricornis Hagen, Synopsis Neur. N._ Am. 



p.190 



1863 Chauliodes lunatus Hagen, Ent. Soc. Phila. Proc. 2:180 



1863 Chauliodes lunatus Walsh, Ent. Soc. Phila. Proc. 2:262 



1869> Chauliodes fasciatus McLachlan, Ann. and Mag. Nat. 



Hist. (4), 4:40 



1892 Chauliodes lunatus Banks, Am. Ent. Soc. Trans, 19:357 



General color dark brown or black; bead rufous, tbe disk 

 fuscous, head of male more slender and more highly colored, 

 back of head with flat, rufous streaks; prothorax with impressed 

 rufous spot each side, that of the male more slender and more 

 highly colored; legs luteofuscous, tarsi duller in color; antennae 

 black, serrate in female, flabellate in nmle, each joint with a 

 lurge oval plate underneath; wings brownish black, fore pair 



