16 U.S. NATIONAL MUSEUM BULLETIN 2 89 



Subgenus Carposina sensu strictu 



Type-species. — Carposina herheridella Herrich-Schaffer, 1855. 



Adult. — Fore wings (fig. 27) with vein 10 arising from discal cell 

 equidistant between 11 and 9; all veins separate. Hindwings with 6 

 largely absent, represented by only a faint vestige at end of cell; 

 3 and 4 typically connate, sometimes stalked for a very short distance 

 with fusion never more than one-sixth the length of 4; discal cell 

 extending approximately one-half the length of wing; 2 arising from 

 outer fifth of cell near origin of 3. 



Male genitalia. — Arms of gnathos digitate, moderately stout to 

 slender, occasionally very elongate and exceeding apex of uncus by 

 half their length; setae typically arranged in a single, dense apical or 

 subapical tuft. Valvae distinctly divided into two halves; basal half 

 (sacculus) with a prominent clavate ampulla; apical half (cucuUus) 

 usually with apex gradually tapering to a slender curved tip. Juxta 

 bilobed to deeply furcate. 



Female genitalia. — Ovipositor moderately short to long; posterior 

 apophyses approximately 1.25 — 2 X the length of anterior pair. 

 Antrum very broad, abruptly constricting to form relatively narrow, 

 elongate ductus bursae; walls of antrum thickened and densely 

 papillose; ductus bursae with papillae more flattened, rounder, and 

 restricted usually to two or three longitudinal bands extending the 

 length of ductus. Corpus bursae typically swollen, ovoid, but more 

 elongate in C. engalactis; walls membranous; a pair of strongly furcate 

 signa usually present (absent in C. engalactis). 



Discussion. — The separate condition of all veins in the forewings 

 easily separates this taxon from the other subgenera of Carposina. 

 The group is principally Holarctic in distribution, but presently 

 includes one rather aberrant neotropical species, C. engalactis. Un- 

 fortunately, this interesting species is known only from the female 

 holotype and has tentatively been placed in the subgenus Carposina 

 largely on the basis of venation. Discovery of the male should eluci- 

 date its true relationships considerably. 



Key to the American Species of the Subgenus Carposina* 



(Based primarily on females) 



la. Female with signa absent C. engalactis 



lb. Female with a pair of furcate signa present (fig. 76). 



2a. Ovipositor relatively short; posterior apophyses less than 1.5 X the 

 length of anterior pair (fig. 75) . Posterior margin of lamella antevaginalis 

 deeply bilobed. 



3a. Posterior margin of lamella antevaginalis with median cleft deep, 

 exceeding length of lobes (fig. 95) . . . C. biloba, new species 



*C phycitana is not included because of insufficient material (see p. 29). 



