CADDIS FLIES, V — FLINT 



31 



Figures 18-27. — Antillopsyche wrighti Bks. : 18, genitalia, lateral. Crynellus minimus Bks.: 

 19, genitalia, lateral; 20, clasper, ventral. Poly centro pus domingensis Bks.: 21, genitalia, 

 lateral. P. nigriceps Bks.: 22, genitalia, lateral. P. mexicanus (Bks.): 23, genitalia, 

 lateral. P. insularis Bks.: 24, genitalia, lateral. P. colombiensis Bks.: 25, female 

 genitalia, ventral. Polyplectropus costalis (Bks.): 26, female genitalia, ventral; 27, 

 bursa copulatrix, ventral. 



