48 PRINCIPAL CACTUS INSECTS OF UNITED STATES. 



*Hololepta vicina Le Conte. 



Hololepta yucateca Marseul. Aguascalientes, Mex., December (E. A. Schwarz 



and F. C. Bishopp). According to Mr. E. A. Schwarz this species follows 



the attack of other species in Cereus and is of some importance in this 



connection. 

 Hololepta strigicolle Marseul. Mexico (Duges). 

 *Paromalus opuntice Le Conte. ' 

 *Paromalus consors Le Conte. 

 *Paromalus gilensis Le Conte. 

 Paromalus' sp. Aguascalientes, Mex. 



Saprinus pennsylvanicus Paykull. Cotulla, Tex., May (F. C. Pratt). 

 Terapus mniszechi Marseul (E. Duges), Mexico. Although recorded by Duges 



as a cactus insect Mr. Schwarz considers it strictly myrmecophilous. 

 *Acritus arizonce Horn. 

 Camptodes cacti Duges. 



This is a manuscript name. The species may be C. heterocheilus Sharp. 



Mexico. 

 *Holoparamecit8 paciflcus Le Conte. 

 *AUndria teres Melsheimer. 



Smicrips hypocoproides Reitter. Corpus Christi, Tex., March (W. 1). Pierce). 

 Hyporhagus opuntice Horn. On Opuntia in Arizona (E. A. Schwarz and F. C. 



Bishopp). 

 Hyporhagus texanus Linell. San Diego, Tex., in decaying Opuntia engelmanni 



(E. A. Schwarz) ; Encinal and Hondo, Tex. (J. D. Mitchell). 

 Brachytarsus sp. Brownsville, Tex., March (C. R. Jones and F. C. Pratt). 



DIPTERA. 



*Ceratopogon sp. Tucson, Ariz. 



*8catopse sp. Tucson, Ariz. 



Hermetia chrysopila Loew. San Antonio, Dallas, Encinal, Tex. (J. D. Mitchell 



and F. C. Pratt) ; Los Angeles, Cal., September (F. C. Pratt). 

 Hermetia huntcri Coquillett. Hondo, Encinal, Cotulla, Tex., May to October 



(F. C. Pratt and J. D. Mitchell). 

 Cyphomyia scliacffcri Coquillett. Dallas, Tex., June. 

 Microdon globosus Fabricius. Dallas, Tex., May (C. R. Jones). 

 Vausigaster unimaculata Townseud. Cotulla, San Antonio, Tex., April (F. C. 



Pratt) ; Victoria, Tex. (J. D. Mitchell). 

 Reared from Opuntia. 

 T'olucella pusilla Macquart. Various Texas localities: Victoria and Tivoli 



(J. D. Mitchell) : Dallas, Corpus Christi. Cotulla, Beeville, San Antonio 



(F. C. Pratt). 

 Volvcella fasciata Macquart. New Braunfels, Denton, Dallas, Tex., May (F. C. 



Pratt); Victoria, Tex., May (J. D. Mitchell); New Jersey (J. B. Smith). 

 *Volucclla avida Osten Sacken. Tucson, Ariz., December. In Opuntia fulgida 



and Cereus giganteus. (See Psyche, May, 1S99.) Cotulla and San An- 

 tonio, Tex. (J. D. Mitchell) ; Encinal, Tex., April to June (F. C. Pratt). 

 Volucella esuriens Fabricius. At Texas localities below: Cotulla, Kerrville, 



Hebbronville, S;m Diego (F. C. Pratt) ; Live Oak County, San Antonio, 



Alice, Corpus Christi (J. D. Mitchell), March to May. 

 Copestylurn marginatum Say. San Antonio, Falfurrias, Mathis. Live Oak 



County, Kerrville, Encinal. Cotulla, Hondo, Dallas, Tex. (various localities 



by J. D. Mitchell and F. C. Pratt) ; Los Angeles and Riverside, Cal. (F. C. 



Pratt). 



