26 



U.S. NATIONAL MUSEUM BULLETIN 289 



latter two on the basis of morphological differences of the lamella 

 ante vaginalis. The posterior margin of the lamella is deeply bUobed 

 in C. simulator, whereas in C. fernaldana there exists only a shallow 

 notch. Furthermore, each lobe is doubly thickened by an additional 

 fold of the lamella. In C. biloba, the posterior margin is of a more 

 simple structure and appears to consist of a single layer of tissue. 



Carposina (Carposina) biloba, new species 



Figures 7, 75, 95, 112; Map 3 



Adult (fig. 7). — Wing expanse: 9 , 17mm. 



Head: Pale gray. Antennae uniformly pale gray. Labial palpi 

 grayish white with latero ventral surfaces heavily covered with fuscous; 

 apex of both second and third segments white; third segment com- 

 pletely encircled by a fuscous band. 



Map 3. — Distribution of Carposina species. 

 C. (Carposina) simulator i^ C. (Carposina) biloba 



