315 
females. The whole body is more or less distinctly pruinose and generally marked on 
the abdomen with four longitudinal rows of round, white, pulverulent spots, which 
give them a peculiarly pretty appearance. 
Winged female. — Expanse of wings, 4.6 to 6 mm ; length, 1.2 to 1.8 mm . Shape more 
slender than in the apterous form, antenme barely reaching to nectaries. Legs 
longer and more slender, and the nectaries and tail rather shorter, than in the apte- 
rous form. General color yellow, yellowish-green, or quite dark green, with the 
base of the abdomen in the darker forms more or less distinctly orange. E ves 
dark brown, antenna? black, head, a broad band across the prothorax, mesotho- 
raeic lobes and sternal plate, four lateral abdominal spots and nectaries black. 
Remaining parts of thorax more or less decidedly orange. Legs yellowish, the 
coxae, apical portion of femora and tibia?, and the tarsi, blackish. Rostrum yel- 
lowish, its base and apex blackish. Tail greenish or dusky; wings delicate, color- 
less, iridescent, base and subcosta more or less distinctly yellowish. Veins black 
and very slender. Stigma pale greenish or yellowish gray. Antennal joints, except 
the two basal ones, distinctly serrated or imbricated. Joint seven is somewhat the 
longest, while the third comes next in length; joints four aud five are subequal 
in length, each somewhat shorter than the third; joint three provided with a 
quite regular, straight row of five to seven sensoria and one near apex of fifth and 
sixth joints. 
The sexes have so far remained unknown, though the winter eggs, 
which resemble closely those of other aphides, were discovered on 
Portulaca and strawberry; they measure about 0.6 mm in length and are 
of a regularly oval shape. Their color is yellowish or greenish when 
recently deposited, which soon changes to jet black. 
ENEMIES AND PARASITES. 
Among the most active enemies of this as well as other plant-lice, 
may be mentioned the different species of Coccinellidae or ladybirds, 
the syrphid flies, and aphis lions or lace-wing flies. The most effective, 
however, are the parasitic Braconidre, belonging to the genus Lysiph- 
lebus, among which L. testaceipes Cr. aud L. citrapliis Ashm. appear to 
be the most important in keeping this particular aphidid in check. 
THE COTTON WORM QUESTION IN 1894. 
By E. A. Sciiwarz. 
A rapid trip made under the direction of the Entomologist through 
the more important parts of the cotton belt from Texas to Alabama 
showed that up to the middle of August there were no cotton worms 
anywhere in the whole cotton belt except in the bottom lands of Texas 
south of the Southern Pacific Railroad. But even there the worms 
were not found in alarming numbers, and it could be easily foreseen 
that even under the most favorable conditions the spread of the insects 
would not be a general one this season. Some individual farmers in 
the Colorado bottom, south of Eagle Lake, had found it advisable to 
poison their cotton fields, but these isolated places constitute all that I 
could learn of remedial measures taken by the planters this season. 
