ity that Fitch's “circular bark-louse” Aspidiotus 
SE states tc nn. cee 
m’s scale (Aspidiotus ancylus Putn.) has been suggested 
<a 
P = is times, but no opportunity hitherto has offered to 
—y settle the point. The belief in this identity is sup- 
ed by Fitch’s description of circularis, which is short 
igh to warrant quoting. 
? No 139. Circular Bark Louse, Aspidiotus circularis, new 
cies. (Homoptera. Coccidae.) 
aa “Or the bark of currant stalks in gardens of the city of 
Iban) sae in the spring, I have observed a minute circular 
sale, only 0.03 in diameter, similar to a species named 
Nerii, but differently colored, being of the same 
nh brown hue with the surrounding bark and having 
in the centre a smooth round wart-like elevation of a pale 
ellow color.” 
By a notes give, in addition to the above, the date of 
lection received and exact locality, viz: “April 14, 1856, on 
it in Mr. Orcutt’s garden, Albany.” 
eer is not sufficient to admit of the accurate 
if | n of the insect, but Aspidiotus ancylus Putn, seemed 
t aetna, and the name circularis is doubtfully re- 
fred to ancylus in Mrs. Fernald’s Catalogue. 
_ The identity of these two insects is still further supported by 
l €xamination of the large series of specimens representing 
lus in the Department collection. The accumulation of 
:. us material by this Bureau, extending over twenty-eight 
§, Shows the currant to be a common food plant of the 
, and ancylus has been sent in on currant from twenty- 
5 localities, eight of which are from central New York. 
in response to a letter Doctor Felt sent to the 
- writer, all of his ancylus material on currant from Albany, 
pone five samples, all of which proved to be typical ancylus. 
_ The opportunity to settle the point beyond all peradventure 
_- @ Third Report, No. 139, p. 108 (1895). 
