(mi 
of Rhizococcus on Artemisia californica, collected May 29 at Los An- 
geles, Cal. 
Three specimens issued September 14, 1894, from larve feeding upon , 
a species of Pulvinaria on Sullengia sylvatica received August 17 from 
E. A. Schwarz, who collected them at Rockport, Tex. 
Leucopis bellula Will.—Issued October 15, 1886, from larve preying 
upon Coccus cacti collected in Texas by Dr. H. W. Wiley, chemist of 
this Department. 
Issued January 2,6, and 29, 1897, from larve preying on Coceus con- 
fusus received October 16, 1896, from C. H. T. Townsend, Mesilla, 
N. Mex. 
Issued November 3, 7, and 13, 1894, from larve preying upon a spe- 
cies of Acanthococcus received October 29 from C. H. T. Townsend, 
who collected the specimens at Dalles, Mexico. 
Reared by Mr. T. D. A. Cockerell, Mesilla, N. Mex., from larvie prey- 
ing upon Orthezia nigrocincta. 
Ceratomyza dorsalis Loew.—Issued October 12, 1888, from a puparium 
found in amine 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 
larvie mining the leaf-sheathes of young wheat plants. 
Agromyza melampyga Loew.—From mines in leaves of a cultivated 
species of Philadelphus collected in Washington, D. C., during the 
latter part of July, 1884, six adults issued on the 12th of the following 
month. From mines in leaves of Plantago major collected June 28, 1888, 
at Washington, D.C., the adults issued July 5, 7, 9 and 10; the larve 
pupate within the mines. Another adult issued June 27, 1896, from a 
mine in aleaf of the above-mentioned plant from the same locality. 
Agromyza jucunda v. d. W.—(An examination of the type specimen 
of Oscinis malve Burgess, described in the Annual Report 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 larvee found at St. Louis, Mo., June 30, in 
mines in the leaves of the cultivated verbena. Also October 1, 3, 26, 
29, and 31, 1881, from larvze mining the leaves of the above-mentioned 
plant at Washington, D. C., collected by Dr. Riley September 28. 
Four flies issued November 14, 1879, from larve mining the leaves of 
Malva rotundifolia collected October 23 at Washington, D. C., by Mr. 
T. Pergande. 
Issued September 9 and 16, 1885, from larvie mining the leaves of 
the cultivated sunflower. 
Reared by the writer June 5, 6, and 11, 1887, at Los Angeles, Cal., 
from larve forming large mines in the leaves of YVanthium strumarium, 
Aplopappus squarrosa, Helianthus annuus, and Solidago 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 
