1924] New Northeastern Dexiince (Diptera) Tachinidce 
191 
Dinera futilis n. sp. (Smith MS) 
Male: Slender gad 3 dsh flies. Head at vibrissse as long as at 
base of antennae. Front to eye width as 10:19. No orbitals. 
Antennae three-fourths as long as face. Carina prominent, 
bluntly keeled. Vibrissae slightly above oral margin, one or two 
small bristles above each. Proboscis slender, as long as ventral 
length of head. Palpi pale yellow. Sides of face with a sparse 
covering of minute hairs. Thoracic vittae two, indistinct. 
Post-suturals 3, (rarely 4), sternopleurals 3, 1 stout and several 
lesser pteropleurals. Wings hj^aline, a pair of costal bristles 
present opposite termination of auxiliary vein. Apical cell 
varying from barely closed to open in the margin, ending just 
before wing tip. Legs yellow, certain joints brownish. First 
abdominal segment with a strong pair, a single bristle, a very 
weak pair, or no macrochaetae, second with a very stout pair, 
third and fourth each with a distinct marginal row. No ab- 
dominal discals. Tergites, except segment four, meeting in keel- 
like fashion on mid-ventral line. Length 6.5 mm. 
Female differs as follows: Front, at narrowest part to eye- 
width as 17:13. Two pairs of orbitals. Parafacials sometimes 
more noticeably hairy. Inferior sternopleural sometimes lacking. 
Described from fifteen males and thirteen females from the 
following localities: Atco, N. J., one male, June 18, 1913; 
Brookings, S. D., one male, June 4, 1891; South West Harbor, 
Maine, one male, July 20, 1923 (Johnson); Needham, Mass., one 
male, Aug. 4, (A. P. Morse); Voorheesville, N. Y., one male, 
June 19, 1923 (M. D. Leonard); Baiting Hollow, L. I., two 
males, June 6, 1923, (H. C. Huckett), one male, Aug. 25, 1923 
(H. C. H.); two females, July 29, 1923 (H. C. H.), one female, 
Aug. 29, 1923 (H. C. H.); Wading River, L. I., one male, Aug. 
25, 1923 (H. C. H.); Intervale, N. H., one female. Sept. 4, 1707, 
(G. M. Allen); Ithaca, N. Y., one female, June 28, 1898, one 
female Aug. 4, 1885 (E. H. Sargent); Philadelphia, Pa., one 
female; Rochester Junction, N. Y., one female, Jul}^ 24, 1914, 
(M. D. Leonard); Ft. Collins, Colo., one female; Wellesley, 
Mass., one female, (A. P. Morse); and six males and three 
females with no localit}^ record. In addition to the above 
