23° 



Aspidiotus echinocacti KolL, Inj. Ins., p. i8o (1840). 



" " Forst., " Ueber Schildlause," p. 562 (1851). 



Diaspis calyptroides Targ., Studii sul. Cocc, pp. 13, 14, 21, 27, 45 (1867). 

 " " Sign., Ann. Soc. Ent. Fr., (4), ix, pp. 99, 434 (1869). 



" " Comst., 2nd Rep. Dep. Ent. Corn. Univ.,pp.93,95(i8S3). 



Mask., N. Z. Trans., xxix, p. 298 (1897). 

 " " Newst., Ent. Mon. Mag., xxxiii, p. 75 (1897). 



" " " Tr. Ent. Soc. Lond., p. 94 (1897). 



" " " • Mon. Brit. Cocc, i, p. 159 (1901). 



Habitat. — Europe; India; Algeria; Porto Rico ; Mexico; New Mexico; 

 New York. 



On Opuntia ticus-indica ; Echinocactus ottonis ; E. tenuispinus, etc. 



Diaspis echinocacti cacti Comst. 



Diaspis cacti Comst., 2nd Rep. Dep. Ent. Corn. Univ., p. 91 (1883). 

 " " Ckll., Can. Ent., xxv, p. 127 (1894). 

 " " Lugger, Bull. 43, Minn. Exp. Sta., p. 225 (1S95). 

 " " " Rep. Minn. Exp. Sta., p. 129 (1895). 



" Davis, Spec. Bull. 2, Mich. Exp. Sta., p. 37 (1896). 

 " Ckll., Bull. Bot. Dep. Jam., p. 258 (1896). 

 " calyptroides var. cacti Mask., N. Z. Trans., xxix, p. 299 (1897). 

 " • " Osborn, Contr. la. Ag. Coll., p. 5 (1898). 



" " " " Rolfs & Quaint., Cocc. Amer., Dec. i-ii, No. 



14 (1S98). 

 " " " " Barlow, Ind. Mus. Notes, iv, p. 211 (1899). 



" " cacti de Charm., Pr. Soc. Amic. Scien., p. 29 (1899). 



" cacti Lugger, 6th Rep. Minn. Exp. Sta., p. 235 (1900). 

 " " Hemp., Rev. Mus. Paul., iv, p. 520 (1900). 



Habitat. — Mass. and N. Y. (in greenhouses); la.; Ariz.; New Mexico ; 

 Brazil; India; Mauritius. 



On Cactus ; Cereus giganteus; C. macrogonus ; Echinocactus. 



Diaspis echinocacti opuntiae Ckll. 



Diaspis calyptroides var. opuntiae Ckll., Jn. Inst. Jam., i, p. 256 {1S93). 



" opuntias Newst., Ent. Mon. Mag., xxix, p. iSS (1893). 



" opunticola " " " " '" p. 281 (1893). 



" calyptroides var. opuntiae Mask., N. Z. Trans., xxix, p. 299 (1897). 



" " " " Ckll.& Parr., The Industrialist,p. 277(1899). 



Habitat.— Demerara; Texas; Mexico; Jamaica. 

 On Opuntia arborescens ; O. elongata. 



1104. Diaspis euphoriae de Charm. 



Diaspis euphoriee de Charm., Pr. Soc. Amic. Scien., p. 28 (1899). 

 Habitat. — Mauritius. 

 On Nephelium longana. 



