36 
inates the caudal pencil of white wax previously mentioned. Vasi- 
form orifice can not be made out with certainty, but it is relatively 
small, short, and about twice as wide as long, and is surrounded with 
an obscure fluted rim. 
Adult 8.—Length about 0.86 mm.; fore-wing 1 by 0.46 mm.; 
immaculate. Body yellow, eyes reddish and dumb-bell shape, not 
divided. Antenne, joint 1, short, cup-shaped; joint 2, subpyriform, 
about two-thirds as wide as long; joint 3, quite long and relatively 
large, cylindrical, except at base, where it is tapering, not quite as long 
as joints 5, 6, and 7 together; joint 4, short, about one-half length of 
fifth; joints 5 and 6, subequal in length; joint 7, slightly longer than 
joint 4. Mentum much reduced in size, plainly abnormally reduced. 
Genitalia usual; valves strong and clasping at tip; penis curved upwards, 
tapering, and enlarged at base. 
This species occurs more or less singly on leaves of Quercus aquatica, 
on the campus of the Florida Agricultural College, at Lake City. 
Pupa-case described from numerous specimens; adult bred out by the 
writer, from one specimen. ‘Types in Div. Ent. collection. 
34. Aleurodes rolfsii Quaintance. 
Can. Ent. Vol. XX XJ, p. 90. From Upola, Fla., on cultivated Geranium. 
35. Aleurodes ruborum Cockerell. 
Jn. N. Y. Ent. Soc., Vol.-V., No. 11, p. 96: See also Ann, Rept. Fla. Agr. 
Expt. Sta., 1898, p. 66. On cultivated Rubus, Lake City, Fla. Also occurs on 
Rubus cuneifolius at Lake City and San Mateo, Fla. 
36. Aleurodes spirzoides n. sp. (Plate LV, figures 45-49, and Plate VITI, figure 74.) 
Larva.—Size about 0.78 by 0.52 mm.; subelliptical in shape, becom- 
ing narrower caudad. Color, light yellow. In very young larve 
there is a rather narrow cottony marginal fringe, but in older specimens 
this is in most cases wanting. The margin is flat and closely applied 
to leaf. Abdominal segments moderately distinct; thoracic segments 
obscure. Margin of case delicately crenulated, the ends of the wax 
tubes rounded, and the shallow indentures acute. Dorsum void of 
pores, papille, and sete. There are, however, three pairs of sete on 
margin: A small pair at cephalic end, a well-developed pair at caudal 
end, and a small pair at caudal end, a seta on each side of larger pair. 
There is no marginal rim. Vasiform orifice essentially as in pupa- 
‘ase. On ventral surface the legs are quite obscure. The small eye 
spots are reddish. 
Pupa-case.—Size, about 1.15 by 0.83 mm.; broadly elliptical in shape, 
and bright lemon-yellow in color. In the more mature specimens there 
is more or less of reddish coloration, due to the developing pupa within. 
Pupa-case rather strongly convex, and but little flattened at the mar- 
gin. There is no lateral fringe, but a more or less slanting waxen rim 
is present in older specimens, raising the case a short distance from 
