46 PRINCIPAL CACTUS INSECTS OF UNITED STATES. 



Cycloneda tnunda Say. Hondo, Tex., April (J. D. Mitchell). 

 Chilocorus cacti Linnaeus. Durango, Mex., November (F. C. Bishopp). 

 Hyperaspis trifitrcata Schfeffer. Hebbronville, Falfurrias, Floresville, Corpus 



Christi, Victoria, San Diego, Tex., May to August (J. D. Mitchell) ; Seguin, 



Alice, San Antonio, Kerrville, Tex. (F. C. Pratt) ; Durango, Mex. (F. C. 



Bishopp). 

 Hyperaspis omenta Le Conte. Mesilla Park, N. Mex., June (D. Griffiths) ; 



Brewster County, Tex. (R. A. Cushrnan) ; El Paso, Tex., August (F. C. 



Pratt). 

 Seym n us loewU Mulsant. Brownsville, Tex., March (F. C. Pratt) ; Aguas- 



calientes, Mex., December (F. C. Bishopp). 

 Scymnus hornii Gorham. Aguascalientes, Mex., December (E. A. Schwarz and 



F. C. Bishopp). The nine preceding species (except Hippodamia com- 



vergens) are enemies of Dactylopius confusus. 

 Bothrideres cactophagi Schwarz. Enemy of Cactophagus validus. 

 Trichodes bibaltcatus Le Conte. Cotulla, Tex., May (J. D. Mitchell) ; Dallas, 



Tex., May (F. C. Pratt). 



Feeds upon Melitara and other insects. 

 Hydnocera pubcscens Le Conte. Victoria, Tex., May (R. A. Cushman). 

 Feeds upon various cactus species. 



LEPIDOPTERA. 



Lcetilia eoccidirora Comstock. Cotulla, Tex., October. 



Enems r of Dactylopius confusus. 

 Zophodia dilatifasciella Ragonot. San Antonio, Tex., June (D. Griffiths) ; 

 Brown and Young Counties, Tex. (J. D. Mitchell). 



Feeding on Dactylopius confusus. 

 Saluria ardiferella Hulst. Mesilla Park, N. Mex., June. 



Feeds upon Dactylopius confusus. 



HYMENOPTERA. 



Mcsostenus thoracicus Cresson. Corpus Christi, Tex., March (F. C. Pratt). 



Probable parasite of Melitara spp. 

 Eiphosoma texana Cresson. 



Parasite of Mimorista flavidisiimalis Grote. 

 Eurgtoma sp. D'Hanis, Tex., May (J. D. Mitchell). 

 Clielonus laticinctus Cresson. Trinidad, Colo., August. 



Parasite of Melitara dentata Grote. 

 Apantelcs (Pseudapanteles) sp. Corpus Christi, Tex.. April (W. D. Pierce). 

 At Opuntia liudheinicri. 



Possible parasite of Melitara. 

 Apantelcs sp. Victoria, Tex., September (J. D. Mitchell). 



Possible parasite of Melitara. 



DIPTERA. 



Phorocera comstocli Williston. Victoria, Tex., October (J. D. Mitchell) ; San 

 Antonio, Cotulla, Corpus Christi, Tex., October (F. C. Pratt). 

 Parasite of Melitara. 

 Drosophila punctulata Loew. San Antonio, Tex., April. May (D. Griffiths) ; 

 Victoria, Tex., April, December (J. D. Mitchell) : Brownsville, Tex., March 

 (F. C. Pratt). 

 Feeds upon Dactylopius confusus. 



