August, 1944 



Ross: Caddis Flies of Illinois 



73 



Cernotina pallida (Banks) 



Cyrnus pallidus Banks (1904^, p. 214); cf. 



Cernotina spicata Ross 



Cernotina spicata Ross (1938fl, p. 138); cf . 

 This species has not yet been found in 



This species, described from Maryland, 

 has not yet been taken in Illinois but has Illinois. Records from Maine, Michigan and 

 been found as close as central Ohio. It is Oklahoma indicate a widely scattered range 



271 B 



Figs. 268-271. — Cernotina, male genitalia. A, lateral aspect; B, dorsal aspect; C, cercus 

 showing inner teeth. 



similar in general appearance to calcea, dif- and the possibility of its being found in Illi- 



fering in the long, whiplike cerci, which nois in future collecting. 



are armed with small teeth near the apex, 



instead of long black teeth near the base. Psychomyiid Genus A 



Cernotina ohio Ross 



Cernotina ohio Ross (1939-^, p. 628); cf. 



This species has not been taken in Illinois 

 but occurs in Ohio. It is a close relative of 

 spicata but may be readily distinguished by 

 the male genitalia, fig. 271. The cerci lack 

 a baso-mesal plate and the claspers have 

 fewer setae on their dorsal arms. 



Larva. — Fig. 272. Length 9 mm. Head 

 cream with a dorsal, spotted, purplish brown 

 pattern; pronotum cream around edges, cen- 

 tral portion brown; legs white; body color- 

 less. Mandibles with dorsal and ventral 

 rows of teeth, fig. 199, in both mandibles 

 the dorsal row concealing the ventral row. 

 Legs spinose, tarsal claws long and sharp. 

 Tubular processes of tenth segment long; 

 anal legs and hooks large, very similar to 



