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NO.V280. XEW NORTH AMERICAN DIPTERA—COQUILLETT. 113 



STURMIA LIMATA, new species. 



Black, the palpi vellovv; vortex slig-htly wider than either eye, the two 

 upper pairs of frontal bristles reelinate, much lon^-er than the others, 

 sides of front oTa3dsh, the face whitish pruinose, frontals descending 

 nearly to apex of second antennal joint, vibrissa slightly above front 

 edge of oral margin, ridges bristly nearly to middle, antennte five- 

 sixths as long as the face, the third joint tw^o and one-half times as 

 long as the second, narrow, arista thickened to middle, the penultimate 

 joint shorter than broad, cheeks one-fifth as broad as the eye height, 

 proboscis rather slender, laliella small; thorax gra}^ pruinose, marked 

 with four black vittffi, four pairs of postsutural dorsocentral bristles, 

 four sternopleurals, scutellum bearing four marginal pairs, the last one 

 cruciate and nearly vertical; abdomen polished, the second segment 

 thinly gra}^ pruinose, the following ones except their bases velvety, 

 first three segments with marginal bristles, the fourth with a marginal 

 and submarginal row; hind tibiae rather evenly ciliate, middle tibite 

 liearing two bristles on the outer-anterior side, front pulvilli slightly 

 shorter than the last tarsal joint; wings hyaline, third vein bearing 

 four bristles near the base, fourth vein beyond the bend nearly 

 straight, calypteres white; length, 7 nmi. Two males. 



IlahUat. — Opeloiisas, Louisiana (April. 1897, G. R. Pilate), and Ohio. 



Type.—C'At. No. G-217, U.s N.M. 



STURMIA AUSTRINA, new species. 



Black, the palpi yellow; vertex of male one-half, of female nearly 

 as wide as either eye, frontals descending to the arista, two pairs of 

 orbitals in female, sides of front grayish, face whitish pruinose, 

 vibrissa on a level with front edge of oral margin, ridges bristly 

 nearly to middle, cheeks one-tenth the eye height, antennas almost as 

 long as the face, the third joint of male five, of female four times as 

 long as the second, arista slightly thickened on the basal third, the 

 penultimate joint scarcely longer than broad, proboscis short and 

 robust; thorax gray pruinose, four l)lack vittffi, four pairs of postsu- 

 tural dorsocentral bristles, three sternopleurals, scutellum Ijearing four 

 marginal pairs, the last one very short and nearly horizontal; abdomen^ 

 gray pruinose on broad bases of the last three segments, the second 

 and third with marginal, the fourth almost wholly covered with 

 bristles; hind tibife ciliate, middle tibia? bearing one bristle on the 

 outer-anterior side, front pulvilli of male slightly longer than the last 

 tarsal joint; wings hyaline, third vein bearing a single bristle near the 

 base, fourth vein beyond the curve nearly straight, calypteres white; 

 length, tt.T) to 5.5 nmi. A specimen of each sex bred from a Pyralid 

 by Dr. 11. G. Dyar. 



Ilahttat. — Nassau, Bahama Islands. 



Ti/pe,— Cat. No. 6218, U.S. N.M. 

 Proc. N. M. vol. xxv—02— 8 



