n°- 3 6 °s CADDIS FLIES, IV — FLINT 17 



sharply demarked. Cercus short, terete. Tenth tergite pointed, arched 

 over hoodlike dorsal covering of aedeagus. Clasper with a spine- 

 like basal process whose apical half is curved sharply ventrad, a thin 

 dorsal lobe arising from an irregular ridge, apex produced into a sharp 

 point. Aedeagus with a thin, elongate, and pointed ventral part, 

 dorsally two sharply pointed spines, apical halves of all curved 

 sharply ventrad. 



Holotype, male: Mexico (Guerrero), near Chilpancingo, route 95, 

 km 297, July 15-16, 1965, Flint and Ortiz. 



Paratypes : Same data, 2 $. 



