162 BUIi,ETI]Sr 123, UNITED STATES NATIONAL. MUSEUM, 



termined a large series of filiana from San Diego, California, as 

 Eucosma shastana Walsingham. In flliana veins 6 and 1 of hind 

 wings are normally closely approximate towards base. In a very 

 few specimens they anastomose for a very short distance just beyond 

 the cell. 



Male genitalia figured from type. 



Distribution according to specimens in National Collection, Amer- 

 ican Museum, and collection Barnes : Los Angeles, San Diego, and 

 West Riverside, California. 



Alar expanse. — ^20-25 mm. 



Ti/pe. — In National Collection. 



Type locality. — ^West Eiverside, California. 



Food plant. — Unknown. 



12. GENUS GYPSONOMA Meyrick. 



(Figs. 27, 27a, 64.) 



Genotype. — {Tortrix dealbana Frolich) Tortrix incarnana Ha- 

 worth. 



Fore wing smooth; termen slightly concave between veins 3 and 

 6; 12 veins; 7 and 8 approximate; 10 from cell midway between 9 

 and 11 ; 11 from cell at or near middle ; upper internal vein of cell 

 from between 9 and 10 ; 3, 4, and 5 separate or but slightly approxi- 

 mate at termen ; 2 straight ; no costal fold in male. 



Hind wing with 8 veins ; 6 and 7 stalked, 3 and 4 stalked. 



Male genitalia with harpes club shaped; normally with a pair of 

 strong hair tufts from intersegmental area at base of tegumen; 

 cucuUus moderate; rudimentary clasper present; neck smooth; sac- 

 culus sparsely clothed with fine hairlike spines. Uncus absent. Socii 

 broad, roughly triangular ; densely haired but without the beard-like 

 tufts of Proteoteras. Gnathos greatly restricted and partially fused 

 with socii. Aedoeagus moderately long; stout; cornuti a cluster of 

 elongate spines. 



An offshoot from Epiblema. Closely related to Zeiraphera and 

 Proteoteras. 



KEY TO THE SPECIES OF GYPSONOMA. 



1. Fore wing with no white or whitish areas beyond dark basal patch. 



(4) salicicolana. 



Fore wing with ground color beyond basal patch, white or whitish; or at 



least with a broad white fascia bordering the basal patch 2 



2. White on fore wing confined to a broad fascia bordering the darli basal patch. 



(3) substitutionis. 

 Apical third of fore wing whitish or heavily dusted with white 3 



3. A well-defined and complete post median dark fascia on fore wing. 



(1) fasciolana. 

 No well-defined post median dark fascia (2) haimbacliiana. 



