1915] Smith — New Species of Tachinidoe (Dipiera) 99 



basal third, the penultimate joint as broad as long. Sub-crescent area of facial 

 plate, immediately above base of antennae, bright shining brownish black. Sides 

 of face yellowish gray pollinose, a spot near the middle bordering the margin of 

 facial plate, piceous. Cheeks one-third as wide as the eye height, bearing numer- 

 ous long white hairs. Palpi yellow. 



Thorax marked with four black vittse, the two median vittae fading out just 

 posterior of the transverse suture. Dorso-central bristles, two, the anterior bristles 

 short and weak. Sterno-pleiu-a bearing one long bristle and numerous black hairs. 

 Scutellum black, pollinose, bearing two pairs of marginal bristles. Legs yellowish, 

 pollinose, tarsi black. Middle tibiae each bearing a single short bristle, placed below 

 the middle; the hind tibiae pectinate with several bristles on the outer side. 



Abdomen short, flattened, and nearly round. Shining black, segments two and 

 three brassy pollinose on the basal two-thirds, the fourth segment wholly brassy 

 pollinose. A median black dorsal vitta on the first three segments. Numerous 

 bristly black hairs of abdomen appressed. Genitalia awl-shaped, directed back- 

 wardly. 



Wings hyaline, except the base, which is smoky tinged to a point sUghtly beyond 

 tip of the auxiliary vein. Last section of the tliird longitudinal vein about one- 

 fourth as long as the preceding section, bearing one or two bristles at its base. 

 Tip of the first longitudinal vein ending beyond small cross-vein. Calypteres 

 yellowish white. 



Described from two female specimens; taken at Melrose High- 

 lands, Mass., May 18, 1911, by the writer, and at Cohasset, Mass., 

 June 30, 1914, by Mr. R. T. Webber. 



Holotype in the U. S. National Museum, Cat. No. 19238. 



Paratype in the collection of the Boston Society of Natural 

 History. 



Gonia distincta sp. nov. 



Shining black, pollinose species. Length, 11-13 mm. 



Front two and one-half tnnes as wide as either eye, the sides as viewed from above, 

 polished translucent yellow. Frontal bristles descending nearly to the base of the 

 third antennal joint, outside of these irregidarly placed long macrochsetae and short 

 bristly hairs. Two pairs of orbital bristles. Frontal vitta opaque yellow, the ocellar 

 triangle black. Ocellar bristles stout, reclinate. Facial depression, sides of face 

 and cheeks rich golden yellowish gray pollinose. Sides of face bearing black bristly 

 hairs and a row of four or five macrochaetae on the inner margin, close to facial 

 ridge. Cheeks one-third as wide as the eye height, sprinkled with black hairs and 

 a row of long macrochaetae on the anterior margins. Antennae four-fifths as long 

 as the face, the first two joints yellow; the third joint black with a rufous tinge at 

 its base, at least two times as long as the second. Arista thickened to the tip, the 

 penultimate joint five-sixths as long as the last. Vibrissae strong, cruciate, placed 

 less than one-half the length of the second antennal joint above the front edge of the 

 oral margin, two or three bristles above each. Palpi yellow. 



Thorax black, pollinose, marked with four black vittae. Foiu" dorso-central and 

 four sterno pleural macrochaetae. Scutellima yellowish on thfe apical four-fifths. 



