(jHS KKVISTA CHILKNA DK HISTORIA NATURAL 



(ienm Beiiiesia Quaintance and ]>aker 



Papa case variable iu size, elliptic or oval in outline, 

 broadest across the thorax; margin toothed; submarginal 

 área uot separated from dorsal disk, dorsum without 

 papillae though sometimes with a very coarse papilla-like 

 graniilatiou. Yasiforra orífice triangular, loiig and narrow; 

 Úngula long and narrow, less thau half covered at its ce- 

 phalic end by the short operculum. Lateral raargios of 

 vasiform orifice sometimes showing a distinct ridge which 

 extends to the caudal margin of pupa case forming a 

 furrow. 



Adult with one fiexure iu radial sector of forewing: 

 no spur of the media present. Anteunae of seven segments 

 of which segment III is usually the longest, although in 

 some makes segment YII is the longest. 



Type. — Aleyrodes inconspicua Quaintance. 



Bemesia berbericola (Cockerell) (Lám. LXXIII, 

 J-M). 



Aleyrodes berbericola Cockerel, Jourual X. Y., Ent. 

 Soc. 1896, p. 207. 



Alei/rodes inconspirua Berais, Proc. U. S. Xat. Mus. 

 Yol. 27,' 1904, p. 505. 



Bemesia berbericola Quaintance and Baker^ Tech. 

 Ser. 27, Pt. 2, U. S. Dept. Agr. 1914, p. 100. 



We have only one lot of material of this species frora 

 South America. It was collected on Colliyuaya sp., by Dr. 

 C. E. Porter, at Santiago, Chile, October, 1915- It is very 

 closely related to inconspicua^ the length of tlie caudal 

 setae being the only observable difference 



Type. —Odii. X.o 23073, U. S. Xational Museum. 



Genus Dialeurodes (Ckll.) Quaintance and Baker 



T. I). A. Cockerell, in bis Classification of the Aleyro- 

 didae (1) published in 1902. established the subgenus 

 Dicdeurodes and pointed out several important characteris- 

 tics of the group. Aleyrodes citri Eiley and Howard was 



(1) Proc. Aciul. Xat. Sic. Phila.. 1902, p. 280. 



