54 PROCEEDINGS OF THE NATIONAL MUSEUM VOL, 125 
Transtilla narrow with long median projection. Uncus short, broad. 
Vinculum U-shaped, coalesced. Tegumen short, narrow. Anellus a 
U-shaped plate. Aedeagus long, slender, curved, pointed; vesica armed 
with a single long, slender cornutus. 
Female genitalia slides JFGC nos. 11636, 11682. Ostium very wide; © 
anterior margin concave. Antrum constricted but not differentiated 
from ductus bursae. Inception of ductus seminalis at juncture of 
ductus bursae and bursa copulatrix. Ductus bursae sclerotized; on each 
side a longitudinal fold. Bursa copulatrix mostly membranous with 
fine sculpturing and ventrally, a large, sclerotized fold. Accessory 
bursae arising in a depression on the left side of bursa copulatrix. 
Holotype: U.S. National Museum No. 69746. 
Type-locality: Mexico, S. L. P., Tamazunchale. 
Distribution: Mexico. 
dre 
IZZAN 
Ficure 28.—Carolella molybdina, new species: a, ventral view of male genitalia with left 
harpe and aedeagus removed; b, aedeagus; c, ventral view of female genitalia. 
