226 
Psyche 
[October 
BRIEF DIAGNOSES OF SOME DIPTERA OCCURRING IN 
NEW ENGLAND. 
By C. H. Curran. 
Department of Agriculture, Ottawa, Canada. 
The following very brief descriptions, enumerating the 
salient points in the detailed descriptions of several species, 
of Diptera are given herewith in order that the names may be 
included in Mr. Johnson’s forthcoming list of the Diptera of the 
New England States. The detailed descriptions will be found in 
a contribution to a monograph of the Syrphidae and a revision 
of the genus Rhaphium prepared by the writer. 
Microdon pseudoglobosus new species. 
Brownish and reddish, with darkened wings; third antennal 
joint of almost equal width throughout and a little shorter than 
the first two combined; ocellar triangle small, equillateral; apex 
of scutellum with a wide even concavity the broad points mod- 
erately projecting. Hind basitarsi of d' greatly swollen. Length, 
7 to 8 mm. 
d, Lucaston, N. J., Sept. 14, 1917, (Daecke); d same 
locality, June 27, 1902; 9, Hammonton, N. J., Sept. 6, 1902; 
9 , Da Costa, N. J., July 1, 1905; d, Cape May, N. J., July 8, 
(Viereck); d, Aweme, Manitoba, Aug. 11, 1920, (Robertson); 
Chittenden, Vt., Aug. 15 (Bequaert), and specimens mentioned 
in detailed description. 
Microdon conflictus new species. 
Chiefly brownish, the abdomen sometimes partly reddish; 
wings largely dark brown; third antennal joint but little longer 
than the first; ocellar triangle small, wider than long; apex of 
scutellum with moderately wide, deep concavity, the broad 
points long; hind basitarsi of d greatly swollen. Length, 9 to 
11 mm. Much darker than the preceding, the wings more 
heavily clouded. 
