100 
The specimens observed by these writers were obtained at Kansas 
City, Missouri; and the strawberry plants on which they occurred 
had been received from Palmyra, New York, and South Bend, Indi- 
ana, from which places the species was probably imported. 
The appearance of a plant-louse upon the strawberry on the 
opposite side of the continent, was reported in the “Pacific Rural 
Press” for May 15, 1880, the editor of that paper expressing the 
opinion that plants infested like those sent him would lose their 
vigor, and produce poor fruit, even if the plant were not utterly 
ruined. 
Ina paper on Insects Affecting the Strawberry,* I gave, in 1888, a figure 
of a plant-louse and its egg, found upon the crowns of strawberry 
plants in Central and Southern Illinois in autumn; referring this, 
provisionally, to Siphonophora fragarie, Koch, but saying in a foot- 
note, “The form figured above, from Southern Illinois, has the 
aspect of an Aphis, and it is possible that the Illinois species is not 
Siphonophora fragarie, as was supposed by Dr. Thomas. Until the 
aerial forms can be seen, however, I prefer to leave the matter as 
above.” 
Mention of the occurrence of plant-lice upon the strawberry in 
Kurope was made by Walker, in 1852, and by Koch in 1855, both 
referring to the species already mentioned. : 
In 1863, Passerinit announced two other species upon the straw- 
berry in Italy, Aphis chloris, Koch, and a root-louse, Rhizobius . 
sonchi, upon the roots. 
In his work upon British Aphides, published in 1876, Buckton 
gives a full description of the pupa and the winged and wingless 
female forms of Siphonophora fragari@, and mentions likewise its oc- 
currence on the strawberry in England in 1876, upon the stalks of 
the unripe fruit. 
DESCRIPTION. 
Siphonophora fragarie.—Although this species is not positively 
known to occur in Illinois, yet its appearance in Missouri under 
the circumstances described, makes it altogether likely that it will 
also be found within our limits. It is thus described by Bucktont : 
Apterous viviparous female. 
Inches. Millimétres. 
SEED T0707 hai a ge eee 8 .. 0.090x0.040 2.27x1.01 
Menaihootvantenne.... 26. oc. eee lee ae ce. 0.100 2.54 
imemeumeor-cormicles. .2. 2 ee. beeen cs ees 0.025 0.62 
Whole body shining green except tho cornicles, which are tipped 
with black and straight. Eyes red. Antenne long and dark olive. 
Legs pale, with dark femora and tibia joints. Tail yellow. F 
Pupa.—Reddish green with a smoky line down the dorsum. Thorax 
and wing cases grey; the last with blackish tips. 
* Transactions of the Mississippi Valley Horticultural Society. 
+ Aphididae Italicz hujusque observate. 
t Monograph of the British Aphides, Vol. II, p. 125. 
