SPECIES WHICH INJURE THE PLANT. 41 



Stylopidea piota Uhler MS. Victoria and D'Hanis, Tex.. April (J. D. Mitchell) ; 



Sao Antonio. Tex.. April (J. C. Crawford) J Hondo. Austin, and Corpus 

 Christ!, Tex.. May (F. 0. Pratt) : Brownsville, Tex., February (0. R. Jones 

 and F. C, Pratt) : Beeville, Tex. (B. A. Schwarz). 



Feeds on joints. 

 BiweonotUS luteiceps Renter. Hondo. Tex.. May (J. I). Mitchell) ; Brownsville, 

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

 Feeds on joints; especially partial to Echinocereus Bpp.; also taken on 

 yucca and other plants. 

 Itocrotylus verticals rider (?). Los Angeles, Cal., June (F. C. Pratt). 



Feeds on joints of Opuntia. 

 Corythuca deceits St&l. Aguascalientes, Mex., December (F. C. Pratt). 

 On Opuntia. 

 Tucson, Ariz., June (J. W. Tourney). 

 Feeding on Opuntia joints. 

 Proarno nil rata Uhler. Albuquerque. N. Mex., May (F. C. Pratt). 



Apparently feeding on Opuntia joints. 

 Xamia femorata St&l. Taken at the following localities in Texas throughout 

 the season: Mineral Wells (C. R. Jones) ; D'Hanis, Cotnlla, Corpus Christi, 

 Victoria, and Hebbronville (J. D. Mitchell) ; Hondo, Za valla County, Sabi- 

 nal, San Antonio. Kerrville, El Paso, and Llano (F. C. Pratt) ; also taken 

 at Los Angeles, Cal., and Tucson, Ariz. (F. C. Pratt), and at Aguascalientes, 

 Victoria, and Durango, Mex. (F. C. Bishopp). 

 Feeds on fruit of Opuntia and on Cereus; very destructive. 

 • Dendrocoris contaminatus Uhler. Tucson, Ariz. 



Varnia pallidicornis St&l. Taken in Texas at localities below: Cotulla, Kerr- 

 ville. El Paso, Sabinal, Austin (F. C. Pratt) ; Alice, Hondo, San Antonio, 

 D'Hanis. Hebbronville. San Diego, Victoria, Encinal, and Oakville (J. D. 

 Mitchell) ; Mineral Wells (C. R. Jones). 



Occurs throughout the season; very destructive to fruits. 

 Jfarnia inornata Distant. Los Angeles, Cal., May (F. C. Pratt) ; Durango, 

 Mex., November (F. C. Bishopp). 

 Feeds on joints. 

 Narnia snowi Van Duzee. Albuquerque, N. Mex., April (F. C. Pratt). 



Feeds on joints. 

 Platypedia putnami Uhler. Albuquerque. N. Mex., June (F. C. Pratt). 



Feeds on Opuntia joints. 

 PlatymetopiU8 fuseifrons Van Duzee. D'Hanis, Tex.. April (J. D. Mitchell). 



Feeds on joints. 

 Dictyobia permutata Uhler. Corpus Christi, Tex. (F. C. Pratt and A. C. 

 Morgan ) . 



Feeds on joints. 

 Aphis medteagimte Koch (det. C. E. Sanborn). Tucson, Ariz., May (F. C. 

 Pratt) ; Hackberry, Ariz. (D. Griffiths) ; Dallas, Tex. (F. C. Pratt). 



On Opuntia. Mr. Sanborn informs us that in Texas the species prob- 

 ably passes the winter on Opuntia. 

 Margarodes sp. (?). Montserrat, W. I. (C. V. Riley). According to Prof. 

 Cockerell (in litt.) the species is undoubtedly 1/. formicarum (Guild.). 

 On Cereus roots. 

 Eriococcus coccineus Cockerell San Bernardino, Cal., September; also from 

 greenhouse in Nebraska. 

 On joints. 



