Bugs, Cicadas, Aphids, and Scale-insects 
*93 
To distinguish any of the various species of mealy-winged flies would 
Fig. 262. Fig. 263. 
Fig. 262. —A mealy-wing, Aleyroies pruinosa, adult. (After Bemis; much enlarged.) 
Fig. 263. —Pupa of Aleyroies tentaculatus. (After Bemis; much enlarged.) 
Fig. 264. Fig. 266. 
Fig. 264.—Pupa of Aleyrodes iridescens. (After Bemis; much enlarged.) 
Fig. 265.—Pupa-case of Aleyrodes merlini. (After Bemis; much enlarged.) 
Fig. 266.—Vasiform orifice and lingula of pupa of Aleyrodes merlini. (After Bemis; much 
enlarged.) 
the American species have published lists and descriptions of all the kinds 
so far known in this country, namely, Quaintance (Bull. 8, Tech. Ser., Div. 
of Ent., U. S. Dept. Agr. ; 1900), who has studied the eastern species, and 
