78 
cup slia[)e(l swellinj^ on the under side of tlie leaf, and in the center of 
this tlie change to the pupa and finally to the adult state takes plaee. 
Issued July 7, 1>, and 15, LSIHJ, from larva' niinint;: the leaves oi' A ster 
ericoides in the District of Columbia, collected July 5 by Mr. T. Per- 
gande. 
A(/n>mi/:a dinninita Walk. — (An cxaniinsition of the ty])es of Oscinis 
tri/olii liurgess descril)ed in the Annual Kcport of this Department for 
1S71>, pa^e -i)l, and of Oscinis hrassicd- Kiley, described in the Annual 
Keport for 1884, i)age 3U2, proves that both descriptions refer to the 
same species, whicth was previously described by Walker as PItyiomyza 
(liminuid. It is, however, a true species of Agromyza.) 
Issued June 19, 1870, from larvie mining the leaves of the potato, 
collected June 3 at Foristell, Mo. 
Issued June IM), ;U), and July li, 1879, from larvic mining the leaves 
ol white clover at Washington, D. C, collected June 18 by Mr. T. Per 
gande. 
Keareil by the writer from larva' found in large mines in the leaves 
of cabbage in September, 1887, at Los Angeles, Cal. Also bred from a 
stem of cabbage by H. Osborn, Ames, Iowa. 
A(jro)Hyza (vneivcntrh Fall. — lieared in 1880 by F. ^\. AVebster from 
larvie found in burrows in roots of clover; also bred by T. Pergande 
March 4 and 19, 1895, from larvie found in burrows in stems of 
Ambrosia. 
Agromyza neptis Loew. — Issued August 25 and 28, 1883, from larva3 
mining the leaves of Indian corn at Washington, D. C; collected 
August 9 by i\Ir. T. Pergande, whose account of this insect is substan- 
tially as follows: The eggs are deposited on the under side of the 
leaves and soon i)roduce an oval colorless spot. As soon as hatched 
the young larva burrows into the leaf, and then turns and runs its 
mine just beneath the upper epidermis. At lirst the mine is not visible 
from the under side of the leaf, but as the larva increases in size it 
enlarges the mine until it is visible on both sides of the leaf. The 
mine sometimes attains a length of inches, and is about one-eighth 
of an inch wide. 
Issued July 20, 1884, from larva* mining the leaves of solidago, col- 
lected by Mr. T. Pergande June 25 in Virginia. 
Agromyza sctosa Loew. — Issued August 8, 1891, from larva', mining 
the leaves oi' Zizania aquaticaj collected by T. Pergande in the District 
of Columbia. 
Peared in 1890 by Mr. F. A. Sirrine, Jamaica, X. Y.. from larva' min- 
ing the leaves of the ganlen chrysanthenuim. 
Keared in November by A. Koebele, from larva' mining the leaves of 
the strawberry in Placer County, Cal. 
Phytoinyzd n<iitiU'(jUv Hardy. — Eight adults issued during the latter 
l)art of October, 1884, fnmi larva' mining the leaves of the garden nas- 
collected early in September at Washington, D. C. Others 
