93 
Drenching thoroughly with brine will also assist in destroying them. 
Aphis cerasofolee. Fitch. 
Syn. Myzus eerasifolice. Thos. 
As I have succeeded in obtaining specimens of what I am satisfied 
is this species, I can now complete the description. The original de¬ 
scription by Dr. Fitch, is as follows: 
“The cherry leaf plant-louse ( Aphis cerasofolice) measures .08 (inch) 
to the tip of its abdomen, and .15 (inch) to the end of its wings, 
which expand .26. It is black with a pale green abdomen which has 
three dark green dots on each side forward of the nectaries, and above 
these a row of impressed deep green dots extending backwards, past 
the nectaries, with a deep green stripe upon the middle of the back 
which does not reach to the tip; the sutures are also of a deeper 
green color; the nectaries reach half way to the tip and are dusky, at 
least at their ends ; the neck and lower side of the head are green; the 
antennae are two-thirds the length of the body, dusky, and in young 
individuals, green at their basis ; the short tail, pale green, its apex 
blackish ; the legs are dull white, the feet and four hind thighs, except 
at their base, blackish ; the wings are pellucid, the stigma salt white 
margined with dusky, more widely so on its inner margin, the veins 
black, the rib-vein white, the second fork very short. 
The Wingless females are .08 long, egg-shaped, pale yellowish green, 
their abdomens coated with a white meal-like powder except at the 
sutures and on the medial lines, which last is deeper green, and the 
legs and antennae dull white. 
The larvoe, when young, are pea green with white antennae, nectaries 
and legs. When older a deeper green stripe appears along the middle 
~of the back, and a row of deeper green dots each side which are more 
or less confluent into stripes.” 
From specimens sent me by Prof. Bundy in alcohol, I take the fol¬ 
lowing characters: 
Winged Specimen. —Antennae not as long as the body, reaching 
about to the base of the honey-tubes; third and seventh joints about 
the same length as the fourth, about three-fourths the length of third; 
fifth a little shorter than the fourth ; sixth rather less than half the 
length of the fifth. 
Wings transparent and delicate, veins very slender; stigma rather 
small, long, narrow and pointed at the ends; second fork of the third 
vein, much nearer to the apex of the wing, than to the third vein; 
fourth vein curving regularly to the apex. Beak short, reaching mid¬ 
way between the first and second pairs of legs. Honey-tubes not 
reaching to the tip of the abdomen, cylindrical. Tail sender, not 
more than half the length of the honey-tubes. 
Prof. Bundy’s note accompanying the specimens is as follows: 
On Prunus virginiana (choke cherry), June, Sauk City, Wisconsin. 
u Female. Abdomen dirty green, transversely barred about with 
darker; head and thorax dark green nearly black; eyes black; wings 
pale yellowish at base.” 
I am now well satisfied that this species of Dr. Fitch is genuine 
and distinct from A. cerasi of Fabricius. The latter as I have stated 
