18 
cup-shaped swelling on the under side of the leaf, and in the center of 
this the change to the pupa and finally to the adult state takes place. 
Issued July 7, 9, and 15, 1896, from larve mining the leaves of Aster 
ericoides in the District of Columbia, collected July 5 by Mr. T. Per- 
gande. 
Agromyza diminuta Walk.—(An examination of the types of Oscinis 
trifolii Burgess described in the Annual Report of this Department for 
1879, page 201, and of Oscinis brassice Riley, described in the Annual 
Report for 1884, page 322, proves that both descriptions refer to the 
same species, which was previously described by Walker as Phytomyza 
diminuta. It is, however, a true species of Agromyza.) 
Issued June 19, 1876, from larve mining the leaves of the potato, 
collected June 3 at Foristell, Mo. 
Issued June 29, 30, and July 2, 1879, from larve mining the leaves 
of white clover at Washington, D. C., collected June 18 by Mr. T. Per 
gande. 
Reared by the writer from larvie 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. 
Agromyza ceneiventris Fall.—Reared in 1886 by F. M. Webster from 
larvee found in burrows in roots of clover; also bred by T. Pergande 
March 4 and 19, 1895, from larve found in burrows in stems of 
Ambrosia. . 
Agromyza neptis Loew.—Issued August 25 and 28, 1883, from larvee 
mining the leaves of Indian corn at Washington, D. C.; collected 
August 9 by Mr. 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 produce 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 first 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 6 inches, and is about one-eighth 
of an inch wide. . 
Issued July 20, 1884, from larvee mining the leaves of solidago, col- 
lected by Mr. T. Pergande June 25 in Virginia. 
Agromyza setosa Loew.—Issued August 8, 1891, from larve mining 
the leaves of Zizania aquatica, collected by T. Pergande in the District 
of Columbia. 
Reared in 1896 by Mr. F. A. Sirrine, Jamaica, N. Y., from larva min- 
ing the leaves of the garden chrysanthemum. 
Reared in November by A. Koebele, from larvae mining the leaves of 
the strawberry in Placer County, Cal. 
— Phytomyza aquilegie Hardy.—Kight adults issued during the latter 
part of October, 1884, from larve mining the leaves of the garden nas- 
turtium, collected early in September at Washington, D.C. Others 
