270 
flat at first, but as the pupa-case approaches maturity it becomes some- 
what more convex. In dried specimens, particularly those that are 
immature, the dorsum shows two longitudinal ridges agreeing with 
the two rows of colored pustular spots. Abdominal segments distinct 
but not extending more than halfway to margin. The ertire dorsum 
is marked with more or less radially arranged thickenings or reticula- 
tions. The two rows of pustular spots extend cephalad, on each side, 
from near caudal end to the head segment, forming an irregular ellipse, 
approximately parallel with margin of case. There are usually about 
ten of these spots on each side, though the number varies consider- 
ably, particularly in the thoracic region. In the abdominal region 
they are more distinct than elsewhere, where they occur approxi- 
mately, one on each side, to each segment. Just within this series of 
spots, on the abdomen, somewhat smaller markings may occur. Dor- 
sum with four pairs of minute tubercled setee—one pair on cephalic 
portion, one pair on first abdominal segment, one pair at vasiform 
orifice, and one pair just within caudal margin. 
Vasiform orifice cordate, but very little longer than broad. Caudal 
end bluntly rounded, but with a minute indenture. Operculum 
broadly cordate, about three-fourths as long as orifice, and minutely 
setose distally. Lingula moderately stout, spatulate, setose distally, 
and bearing on each side three small lobes, with a larger terminal one. 
On ventral surface, rudimentary feet indistinct. 
Adult.—Unknown. 
Collected by the writer in August of 1898 on leaves of guava 
(Psidium guava) at Lakeland and Punta Gorda, Fla. Received by the 
Division of Entomology, United States Department of Agriculture, 
from H. G. Hubbard, Crescent City, Fla., January 8, 1896, and from 
H. J. Webber, Eustis, Fla., January 25, 1896, in both cases on leaves 
of guava. Also collected by J. H. Comstock, Arcadia, Fla., on ‘‘alli- 
gator pear.” Div. Ent., Nos. 6962 and 413. Type 6962. Described 
from numerous pupa-cases. 
17. Aleurodes forbesii Ashmead (aceris of Forbes). 
Fourteenth Rept. Ill. St. Ent. (1884), p. 110. 
This is the common large, box-like species, on leaves of Acer dasycarpum, in many 
parts of the North—Ithaca, N. Y.; Washington, D. C.; Urbana, III. 
18. Aleurodes fumipennis Hempel. 
Psyche, vol. 8, No. 280, p. 394. On undetermined grass growing on swampy 
ground, 8. Paulo, Brazil. 
19. Aleurodes gelatinosus Cockerell. 
Can. Ent., Vol. XXX, p. 264. Dripping Spring, Organ Mountains, New Mexico, 
on what is probably Quercus arizonica. 
20. Aleurodes goyabee Géldi. 
Mittheil. Schweitz. entom. Gesellsch., Vol. VII (1886), p. 248. On Psidium 
goyaba and Laurus persia, Rio de Janeiro. 
