SUBGENUS ALEURODICUS. 43 
two large hairs on caudal margin, one on either side. Size of 
pupa case 1.8 by 0.92 mm. Shape broadly elliptical. Forewing 
of adult (female) 2.27 mm. long, marked with dusky spots, six 
forming a ring around the margin of the wing, two being cen- 
tral. Segment V of antenna? with a fringed sensorium and a 
stout spine near its distal end. Waxy secretion of pupa a series 
of fluted bands from simple wax pores, much longer than case 
is wide, and from the compound wax pores are produced very 
long, curling, brittle, glassy wax rods neglect us. 
Dorsal disc without small simple pores, but the submarginal area all 
around with very many, forming a band. 
a. Exposed portion of lingula of pupa case long and spatulate; oper- 
culum without a pair of spines on its caudal margin. 
(1). Forewing of adult with one large central reddish brown marking 
over the radial fork and extending from the costal margin to 
or beyond the media. Length of forewing (female) 2.60 mm.; 
genital segment of the male transversely wrinkled or striate. 
Pupa case with submarginal row of stout hairs; size 1.30 by 
0.70 mm. Shape elliptical. A prominent palisade of white wax 
raises the case from the leaf. Dorsum void of secretion, except 
the glassy wax rods from compound wax pores guppyii. 
(2). Forewing of adult with four transverse gray bands, of which 
only the third and fourth are joined by a longitudinal band 
(PI. XIV). Length of forewing (female) about 2.4 mm. 
Pupa case ovoid or subelliptical, variable in size, from 1.15 to 
1.3 mm. long by 0.7 to 0.85 mm. wide. Dorsum of case powdered 
with dirty white wax, and case raised by palisade of white wax. 
Lingula unusually large, dark browm in color dugesii. 
5. Exposed portion of lingula of pupa case short and conical; caudal 
margin of operculum with a pair of spines. 
(1). Pupa case broadly elliptical, with two large, dark, latero-dorsad 
areas extending the full length of the case. Margin entire, 
with a row of small simple pores some distance within it. All 
around on the submarginal area is a row of stout hairs. These 
occur a considerable distance mesad on the dorsum, some of 
them almost between the compound pores; spinnerets of the 
compound pores spread apart. Size of case 1.33 by 1.15 
mm pulvinatus. 
(2). Pupa case without dark latero-dorsad areas, but of uniform 
yellowish color; margin entire and just within it a row all 
around of large boat-shaped simple pores. A submarginal row 
of long hairs present inserted in about the same region. Spin- 
nerets of compound pores compact. Size of case variable, rang- 
ing in length from 0.98 to 1.26 mm., and in width from 0.98 to 
0.7 mm. Shape broadly oval, slightly narrower on cephalic end. 
Forewing of adult with two very faint dusky markings, one 
extending from the costal margin over the radial fork, the 
other at the apex of the wing. Length of forewing (female) 
2.15 mm. ; claspers of male very long and narrow. Immature 
insects occurring along midrib of leaf and surrounded by a 
copious secretion of cottony-white wax cocois. 
61201°— 13 1 
