108 CLASSIFICATION OF THE ALEYRODID^. 



fringe from marginal wax tubes. Vasiform orifice small, subcordate, 

 sometimes romided; operculum similar in shape and almost entirely 

 filling the orifice, obscuring the hngula; orifice usually elevated on a 

 tubercle-like projection of the dorsum. 



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

 of media. Antennae of seven segments, of wliich the tliird is the 

 longest. Sexes about equal in size. 



Type, perileuca Cockerell; example, mori Quaintance. 



Species of the Genus Tetraleurodes (Ckll). 



^ T. ahnormis (Quaintance), Tech. Ser. 8, Div. Ent., U. S. Dept. Agr., p. 17 (1900). 



(Florida.) 

 ^ T. acacix (Quaintance), Tech. Ser. 8, Div. Ent., U. S. Dept. Agr., p. 19 (1900). 

 (California; Mexico.) 

 T. asparagi (Lewis), Joum. Quekett Microsc. Club (2), vol. 6, p. 88 (1895). 



(Natal.) 

 T. aucubse (Kuwana), Pomona Joum. Ent., vol. 3, no. 4, p. 625 (1911). (Japan.) 

 ^■T. corni (Haldeman), Amer. Joum. Sci. & Arts, vol. 9, p. 109 (1850). (Penn- 

 sylvania.) 

 T. dorseyi (Kirkaldy), Bui. 2, Div. Ent. Bd. Comm. Agr. & Forestry, Hawaii, 

 p. 52 (1907).. (California.) 

 Syn.: quaintancei Bemis. 

 ->r. errans (Bemis), Proc. U. S. Nat. Mus., vol. 27, p. 500 (1904). (California.) 

 T. marginata (Newstead), Mitteil. aus dem zool. Mus. in Berlin, vol. 5, pt. 2, 

 p. 172 (1911). (East Africa.) 

 ^T. melanops (Cockerell), Bui. 67, Fla. Agr. Exp. Sta., p. 665 (1903). (California.) 

 ■■<r. mori (Quaintance), Canad. Ent., vol. 31, p. 1 (1899). (Eastern United States.) 

 T. mori maculata (Morrill), Psyche, vol. 10, p. 81 (1903). (Massachusetts.) 

 T. mori arizonensis (Cockerell), Science Gossip, n. s., vol. 6, p. 366 (1900). (Ari- 

 zona.) 

 ^T. nigrans (Bemis), Proc. U. S. Nat. Mus., vol. 27, p. 522 (1904). (CaHfomia.) 

 ^T. perileuca (Cockerell), Bui. 67, Fla. Agr. Exp. Sta., p. 664 (1903). (CaHfomia; 

 Texas.) 

 T. plumosa (Quaintance), Tech. Ser. 8, Div. Ent., U. S. Dept. Agr., p. 33 (1900). 

 T. splcndens (Bemis), Proc. U. S. Nat. Mus., vol. 27, p. 489 (1904). (CaUfomia.) 

 T. stanfordi (Bemis), Proc. U. S. Nat. Mus., vol. 27, p. 508 (1904). (CaHfomia.) 

 T. stellata (Maskell), Trans. New Zealand Inst., vol. 28, p. 442 (1895). (AustraHa.) 

 T. st;/phclise (Maskell), Trans. Now Zealand Inst., vol. 28, p. 442 (1895). (Aus- 

 tralia.) 

 ■T. ursorum (Cockerell), Canad. Ent., vol. 42, p. 171 (1910). (Colorado.) 



Genus AX.EUROLOBUS n. gen. 

 (PI. XLV, figs. 1-lG; PI. XLVII, fig. 1.) 



Pupa case of medium size, subelliptic to oval in outline ; color usually 

 dark brown to blackish; margin toothed, the wax tubes only mod- 

 erately developed; submarginal area separated from dorsal disk and 

 much fluted by suture-like lines; dorsum \vithout papillae, though 

 minute pores may be present; tracheal folds evident in some species, 

 though obscure or wanting in others; when present terminating 

 on margin of case in a few specialized teeth; reniform "eye spots" 



