77 
of lihizococcns on Arfnnisia mlifornica, ('ollcctod May -9 at Los An 
geles, Oal. 
Three specimens issued Sei)tember 14, 18!) I, IVoni larva' liu'diiij; upon 
a species of Pulvinaria on SidUmi'ht sylrativa received August 17 IVoiii 
E. A. Schwarz, who colUH^tcd theni at llockport, Tex. 
LcucopisheUula Will. — Issued October 15, 1880, from larva* preying 
upon Coccus cacti collected in Texas by Dr. If. W. Wiley, chemist of 
this l)ei)artment. 
Issued January li, 6, and 1^9, 1897, from larva*, preying on Coccus con- 
fusus received October 10, 1890, from C. H. T. Townsend, ]\Iesilla, 
KMex. 
Issued November 3, 7, and 13, 1894, from larva' preying ui)on a si)e- 
cies of Acauthococcus received October 29 from 0. II. T. Townsend, 
who collected the specimens at Dalles, Mexico. 
Keared by Mr. T. D. A. Cockerell, Mesilla, IST. Mex., from larva? prey- 
ing upon Orthezia nigrocincta. 
Ccratomyza dorsaUs Loew. — Issued October V2^ 1888, fromapui)arium 
found in a mine in a leaf of timothy received September 3 from F. M. 
Webster, Lafayette, Ind. Adults were previously bred from the same 
plant by Mr. Webster. Also bred in 1888 by the same person from 
larvic mining the leaf-sheathes of young wheat plants. 
Af/romyza melampyga Loew. — From mines in leaves of a cultivated 
species of Philadelphus collected in Washington, D. 0., during the 
latter part of July, 1884, six adults issued on the 12tli of the following 
month. From mines in leaves of Plantmjo major collected June 28, 1888, 
at Washington, D. C, the adults issued July 5, 7, 9 and 10; the larvaB 
pupate within the mines. Another adult issued June 27, 1890, from a 
mine in a leaf of the above-mentioned plant from the same locality. 
Agromyza jucunda v. d. W. — (An examination of the type specimen 
of Osciyiis malvce Burgess, described in the Annual Ileport of this 
Department for 1879, page 202, reveals the fact that it is not distinct 
from the above mentioned species of Agromyza.) 
Issued July 20, 1874, from larvie found at St. Louis, Mo., June 30, in 
mines in the leaves of the cultivated verbena. Also October 1, 3, 20, 
29, and 31, 1881, from larvte mining the leaves of the above-mentioned 
plant at Washington, D. C, collected by Dr. Eiley September 28. 
Four flies issued November 14, 1879, from larvoe mining the leaves of 
Malva rotundifoUa collected October 23 at Washington, D. C, by Mr. 
T. Pergande. 
Issued September 9 and 10, 1885, from larva? mining the leaves of 
the cultivated sunflower. 
Eeared by the writer June 5, 0, and 11, 1887, at Los Angeles, Cal., 
from larvae forming large mines in the leaves of XantMum strumarium^ 
Aplopajypns sqiiarrosa, Helianthus annuns, and SoUdago californica. 
The mines are irregular in outline, from 10 to 15'"'" in diameter, at 
first whitish, but finally turning almost black. The larva forms a 
