SCAVENGERS. 47 



Drosophila ampelophila Loew. Berkeley. Cal., June (D. Griffiths). 



Feeds upon Dactylopius vonfusu-i. 

 Lcucopis hclla Loew. San Antonio, Tex., May (D. Griffiths) ; San Diego and 

 San Bernardino, Cal. 



Enemy of Dactylopius confusus. 

 Lcucopis oellula Williston. Texas, New Mexico, and Mexico. 



Enemy of Dactylopius confusus. 



SCAVENGERS. 

 COLEOPTERA. 



*Megasternum ccrei Sehwarz. 



*Dactylosternum cacti Be Conte. 



*Pelosoma capillosum Le Conte. " 



*Eumicru8 lucanus Horn. 



*Tyrus clongatus Brendel. 



*Melba puncticollis Be Conte. 



*Falagria sp. 



% Homalota sp. 



Alcochara sp. Aguascalientes, Mex.. December (E. A. Sehwarz and F. C. 



Bishopp). 

 Mascochara valida Be Conte. Beared by Coquillett from puparium of Copes- 



ti/lum marginatum Say in Opuntia engelmanni at Bos Angeles, Cal. 

 *Mascochara semivelutina Solsky. 

 * Mascochara spacella Sharp. 

 ■'Mascochara pubcritla Casey. 

 Uaseochara sp. Arizona, June (F. C. Pratt). 

 *Aphelogl08sa rufipennis Casey. 

 ♦Aleocharine, genus unknown. 

 *OUgota sp. 



*Xanthopygus cacti Horn. 

 Belonuchu8 ephvppiatus Say. 

 Bclonuclius xanthomelas Solsky. Aguascalientes, Mex., December (E. A. 



Sehwarz and F. C. Bishopp). Victoria and Hondo, Tex., December (J. D. 



Mitchell). 

 *Xantholinus dimidiatus Be Conte. 

 *Lithocharis tahacina Casey. 

 Tacliinodcrus grandis Sharp. Aguascalientes, Mex., December (E. A. Sehwarz 



and F. C. Bishopp). 

 *Erchomus punctipennis Be Conte. 

 *Erchom us convexus Erichson. Aguascalientes, Mex., December (E. A. Sehwarz 



and F. C. Bishopp). 

 *Physetoporu8 grossulus Be Conte. 

 Leptochirus cdax Sharp. Aguascalientes. Mex., December (E. A. Sehwarz and 



F. C. Bishopp). 

 *Omalittm cacti Sehwarz. 

 *Trichopteryx sp. 

 *-E phi biennis cactophilus Sehwarz. 



Attagams piceus Olivier. D'Hanis and Encinal, Tex., May (J. D. Mitchell). 

 *Atiagenu8 hornii Jayne. 



Carcinops sp. Aguascalientes, Mex., December (F. C. Bishopp). 

 Hololcpta cacti Be Conte. San Antonio, Sabinal, and Hondo. Tex., May (F. C. 



Pratt) ; Victoria, Cotulla, Corpus Christi, Baredo, Tex. (J. D. Mitche.ll).. 



