48 PRINCIPAL CACTUS INSECTS OF UNITED STATES. 



*Hololepta vidua Le Conte. 



Hololepta yucateca Marsenl. Aguascalientes, Mex., December < E. A. Schwarz 

 and F. c. Blshopp). According to Mr. F. A. Schwarz this species follows 



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



connection. 

 Eololepta strigicoUe Marsenl. Mexico (Duges). 

 • Paromalus opuntiw Le Conte. 

 *Paromalu8 consors Le Conte. 

 *Paromalu8 gilensis Le Conte. 

 Paromalua sp. Aguascalientes, Mex. 



Saprinua pennaylvanicus Paykull. Cotnlla, Tex.. May (P. C. Pratt). 

 Terapua nvniszechi Marsenl (E. Duges), Mexico. Although recorded by Duges 



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

 *Acritus arizonw Horn. 

 Camptodea cacti Duges. 



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



Mexico. 

 *Holoparamecus pacificus Le Conte. 

 *Alindria teres Melsheimer. 



8m i< rips hypocoproides Reitter. Corpus Christi, Tex., March (W. I). Pierce). 

 Hyporhagus o punt ice Horn. On Opuntia in Arizona (E. A. Schwarz and F. C. 



Bishopp). 

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



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

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



DIPTERA. 



*Ceratopogon sp. Tucson. Ariz. 



*Scatopse sp. Tucson, Ariz. 



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



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

 Hennetia hunteri Coquillett. Hondo, Encinal, Cotulla, Tex., May to October 



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

 Cyphomyia schaefferi Coquillett. Dallas, Tex., June. 

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

 Nausiyaster unimaculata Townsend. Cotulla, San Antonio, Tex., April (F. C. 



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

 Reared from Opuntia. 

 Vohwella pusilla Macquart. Various Texas localities: Victoria and Tivoli 



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



(F. C. Pratt). 

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



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

 *Volucella arida Osten Sacken. Tucson, Ariz., December. In Opuntia fulgida 



and Cereus giganteus. (See Psyche, May. 1899.) Cotulla and San An- 

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

 Volucella esuriens Fabricius. At Texas localities below: CotuUa. Kerrville. 



Hebbronville, San Die.uo (F. C. Pratt): Live Oak County. San Antonio, 



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

 Copestylum marginatum Say. San Antonio. Falfurrias, Ma this. Live Oak 



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



by .1. 1). Mitchell and F. C. Pratt i ; Los Angeles and Riverside, Cal. (F. C. 



Pratt). 



