August, 1944 



Ross: Caddis Flies of Illinois 



225 



RESURGENS 



OPHIODERUS 



TRANSVERSU3 



CANCELLATUS 



Figs. 783-791. — Athripsodes, male genitalia. A, lateral aspect; B and C, claspers, respec- 

 tively caudal and ventral aspects; D, aedeagus. 



