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Winged viviparous female. —Size, small. Antennae scarcely reaching 
to the base of the honey-tubes. Honey-tubes not attaining the tip of 
the abdomen; tail rather prominent. Body black throughout; antennae 
pale, dusky at the tips. 
Wingless female .—Rather broadly ovate; antennae not more than 
half the length of the body. Color as in the winged female; tail in 
both black. 
Aphis amygdali. Blanch. The Almond Aphis. 
I know nothing personally in reference to this species. I find it 
stated that it is much smaller than JSIgzns persicae , is found attached 
to the underside of the leaves of the almond and peach trees, causing 
them to crisp and wrinkle. 
The body is green; antennae brownish; the legs are green except the 
tips of the thighs and tibiae, which are yellowish; wings pellucid and 
very long, veins pale yellow or greenish. 
Aphis populifolije. Fitch. The Poplar-leaf Aphis. 
Inhabits the underside of the leaves of Populus granidentata. Of a 
chestnut brown color, mealy; legs hairy, black, pale brown above the 
knees; veins of the fore-wings brown, stigma smoky yellow, margined 
with black; back with two rows of impressed, squarish fuscous spots; 
on each side, two rows of impressed dots; honey-tubes equaling a 
third of the distance to the tip. Length to tips of wings 0.22 inch. 
Aphis pinicolens. Fitch. The Pine inhabiting Aphis. 
Found solitary on the Pine. Straw yellow, densely covered with 
white powder; antennae black, bases pale, with a dusky ring; fore¬ 
wings with a fuscous spot on the tip of each vein; veins brown, 
hyaline at their bases, the costal one straw yellow; honey-tubes very 
short. Length to tips of wings 0.25 inch. " . 
This probably belongs to another genus, but I am unable to place it 
from the short description given by Dr. Fitch; such is also the case 
with reference to the preceding species which possibly belongs to 
Chaitophorus , and may be identical with my Oh. popidicida. I give 
