REVISION OF GENTJS EUCERCERIS CRESSON 35 



of Kansas. The type female of E. arizonensis Scullen from Oslar, 

 Huachuca Mts., Ariz., is also in the collection of the University of 

 Kansas. 



Many specimens of this species have been recorded by the writer 

 since its description in 1939. North of the Mexican border it appears 

 to be confined to southern Arizona, southern New Mexico and 

 Southwestern Texas. It has been taken S. through the state of Chi- 

 huahua and in the state of Durango, Mexico. 



Distribution. — Southern Arizona, southern New Mexico, south- 

 western Texas, and north central Mexico. Specimens are as follows 

 (collectors and dates are omitted for brevity): 



Akizona: 9, southern Ai-izona; 9, Apache, Cochise County; 9, 3 cf cf, 

 Skeleton Canyon, 6 mi. E. Apache, Cochise County; c?. Bill Williams Fork; 

 2(f cf, 35 mi. E. Douglas; cf, Dragoon, Cochise County; 2^^ cf, Higley, Maricopa 



Figure 19. Southwestern U.S. and western 

 Mexico. E. lacunosa lacunosa Scullen 



County; 8 9 9 , cf, Huachuca Mts., Cochise County; 2d' d', 12 mi. N. Huachuca, 

 Cochise County; 19 9 9 , 105cfcf, Portal area, Cochise County; cf, San Simon, 

 Cochise County; 9, Tombstone, Cochise County; 9, cf, Tucson, Pima County; 

 cf , 20 mi. W. Tucson; d, 18 mi. SW. Tucson; 9 , 4cf cf , Willcox, Cochise County. 

 New Mexico: cf, 25 mi. N. Las Cruces, Dona Ana County; 9, 21 dd, 

 Rodeo, Hidalgo County. Texas: 29 9, Chisos Mts., Big Bend Nat. Park; 

 cT, Eagle Pass, Maverick County; cf , Glenn Springs, Brewster County; 9 , 

 10 mi. N. Pecos, Reeves County; 9, 4 mi. S. Pecos, Reeves County; 9, 20 mi. 

 E.-NE. Pine Springs, Culberson County; 2 9 9 , d, Van Horn, Culberson County. 

 Mexico: 2 9 9, Chihuahua, Chih.; 9, Gomez Palacio, Dgo.; 9, 6cf cf, 18 mi. 

 W. Jimenez, Chih.; 9, Moctezuma, Chih.; 9, 15 mi. W. Verdo, Nazas River, 

 Dgo. 



Prey records. — None. 



Plant records. — Asclepias sp. (New Mexico). Baccharis glutinosa 

 (Arizona, Chihuahua, Mexico). Cleome sp. (Arizona). Eriogonum 

 ahertianum neomexicanum (Arizona). Haplojjappus {= Aplopappus) 

 hartwegi (Aidzona). Koeberlinia spinosa (New Mexico). Melilotus 

 alba (Portal, Ariz.). Mortonia scahrella (Arizona). Robinia sp. (Texas). 



