19B0] 
Johnson — New Coniopterygidae 
191 
merited. Flagellar segments slightly longer than broad. 
Thorax: Light yellowish grey with greyish brown shoulder spots. 
Membrane of wings light fuscous. Length of fore wing 3.0-3.5 mm, 
hind wing 2.4-3.8 mm. 
Male genitalia (Fig. 7): Outer process of ectoprocts rather short, 
Fig. 7. Semidalis tricornis. A. Male genitalia, lateral view. B. Male genitalia, 
caudal view. C. Male internal genitalia. D. Paramere, lateral view. E. Uncim, 
lateral view. F. Uncini, caudal view. 
stout. Process at inner angle of ectoprocts small, triangular. Hypan- 
drium dorsally terminating in a long spine, slightly curved ventrad. 
Parameres apically swollen with a deep dorsal incision formed by 
body of paramere and dorsally directed spine terminally. A large 
dorsally directed spine in middle, curving medially and slightly 
anteriorly. Anterior to large spine a small prpcess originating on 
lateral side of paramere and projecting forward. Uncini fused into a 
transverse plate, in caudal view with broad dorsal and ventral 
incisions. 
