GENUS ASTEROCHITON. 105 



palisade of wbito wax elevating case from leaf; vasiform orifice sub- 

 cordate, usually notched on caudal end; operculum transversely 

 elliptic, a]:)out half fdling the orifice; lingula spatulate, the distal 

 extremity exposed caudad of operculum, lobed, and usually armed 

 with two prominent spines. 



Adult usually with one flexure in radial sector of forewing and no 

 trace of media excepting in freshly emerged specimens. Antennae 

 of seven segments, segment III the longest, IV to VI subequal; 

 segments imbricated. Sexes nearly equal in size. 



Type, vaporariorum Westwood. 



Species of the Genus Asterochiton. 



*A. ahutiloneus (Haldeman), Amer. Joum. Sci. & Arts, vol. 9, p. 108 (1850). (East- 

 em United States; Pennsylvania to Florida.) 

 Syn. : fUchi Quaintanco. 

 -A. ambrosias (Cockerell), Canad. Ent., vol. 42, p. 370 (1910). (Colorado.) 

 A. asplmii (Maskell), Trans. New Zealand Inst., vol. 22, p. 173 (1889). (New- 

 Zealand.) 

 -A. conjU (Britton), Ent. News (Phila.), vol. 18, p. 337 (1907). (Connecticut.) 

 -A. diasemus (Bemis), Proc. U. S. Nat. Mus., vol. 27, p. 516 (1904). (California.) 

 A. dubius (Heeger), Beitr. Naturg. Ins., p. 223 (1858). (Austria; Germany.) 

 A. erigerontis (Maskell), Trans. New Zealand Inst., vol. 28, p. 429 (1895). 



(Mexico.) 

 >A. fioridensis (Quaintance), Tech. Ser. 8, Div. Ent., U. S. Dept. Agr., p. 26 (1900). 

 ^A. gladalis (Bemis), Proc. U. S. Nat. Mus., vol. 27, p. 518 (1904). (California.) 

 ;'A. hutchingsi (Bemis), Proc. U. S. Nat. Mus., vol. 27, p. 532 (1904). (California.) 

 A. immaculalus (Heeger), Beitr. Naturg. Ins., p. 1 (1855). (Europe.) 

 rA. madroni (Bemis), Proc. U. S. Nat. Mus., vol. 27, p. 507 (1904). (California.) 

 rA. merlini (Bemis), Proc. U. S. Nat. Mus., vol. 27, p. 512 (1904). (California.) 

 rA. morrilli (Britton), Ent. News (Phila.), vol. 18, p. 340 (1907). (Connecticut.) 

 -A. packardi (Morrill), Canad. Ent., vol. 35, p. 25 (1903). (Eastern United States.) 

 -^A. pergandei (Quaintance), Tech. Ser. 8, Div. Ent., U. S. Dept. Agr., p. 31 (1900). 

 A. phillyrex (Haliday), The Ent. Mag., vol. 2, p. 119 (1834). (Europe.) 

 ^A. rolfsii (Quaintance), Canad. Ent., vol. 31, p. 90 (1899). (Florida.) 

 .^A. ruborun (Cockerell), Joum. N. Y. Ent. Soc, vol. 5, p. 9 (1897). (Florida.) 

 A. sonchi (Kotinsky), Bui. 2, Div. Ent. Board Comm. Agr. & Forestrj^, Hawaii, 



p. 97 (1907). (Hawaii.) 

 •'■A. tentaculatus (Bemis), Proc. U. S. Nat. Mus., vol. 27, p. 494 (1904). (California.) 

 • ^A. vaporariorum (Westwootl^ The Gardener'.s Chronicle, p. 852 (1856). (Thouglit 

 to be a native of Brazil; now quite generally distributed.) 

 Syn.: nicotianae Maskell. 

 Syn.: papil I if cr 'M-A^.keh. 

 Syn. : lecanioides Maskell. 

 ^A. variabilis (Quaintance), Tech. Ser. 8, Div. Ent., U. S. Dept. Agr., p. 39 (1900). 

 (Florida.) 

 A. vitrinellus (Cockerell), Ent. News (Phila.), vol. 14, p. 241 (1903). (Mexico.) 

 ■>A. vittatus (Quaintance), Tech. Ser. 8, Div. Ent., U. S. Dept. Agr., p. 42 (1900). 



(California.) 

 7A. waldeni (Britton), Ent. News (Pliila.), vol. 18, p. 339 (1907). (Connecticut.) 

 yA. wellvmnse (Bemis), Proc. U. S. Nat. Mus., vol. 27, p. 525 (1904). (California.) 



