100 Psyche [June 



bearing three pairs of long marginal macrochsetse, besides the short stout apical 

 pair, which extend vertically or horizontally. Legs black, the front tarsi slightly 

 dilated. Middle tibiae each bearing three or more macrochsetse on the front 

 side near the middle. Hind tibiae sul>ciliate. 



Abdomen shining bluish black, yellowish gray pollinose with several darker 

 reflecting spots. Second abdominal segment bearmg a median marginal pair of 

 macrochsetse, the third a marginal row and the fourth segment a single sub-marginal 

 row. Hairs of abdomen appressed. 



Wings hyahne; base of wing, the costal, sub-costal and marginal cells tinged with 

 yellow. Third longitudinal vein bristly at least one-half the distance from its base 

 to the small cross-vein. Apical cell open, ending far before extreme wing tip. Small 

 cross-vein before tip of the first longitudinal vein. The posterior end of hind cross- 

 vein nearer to bend of the fourth longitudinal vein than to the small cross-vein. 

 Calypteres whitish. 



Described from three females. One female (Holotype) in the 

 collection of the Boston Society of Natural History; taken by Mr. 

 C. W. Johnson at Westport Factory, Mass., July 31, 1913. Two 

 females (Paratypes) one in collection of the U. S, National jNIu- 

 seum Cat. No. 19236, and one in the collection of the Connecticut 

 Experiment Station, taken by Mr. B. H. Walden at New Haven, 

 Conn., May 16, 1911. 



Neophorichasta gen. nov. 



Close to Phorichoeta. Eyes bare. Sides of face bearing a row of strong proclinate 

 bristles. Third antennal joint at its greatest width nearly one half as Inroad as long. 

 Vibrissse cruciate placed on the oral margin, a bristle immediately above each vi- 

 brissa nearly three-fifths as long as the vibrissse. Head wider than the thorax, the 

 horizontal diameter at vibrissse shorter than at the base of the antennse. Penul- 

 timate joint of arista at least two times as long as broad. Proboscis fle.shy, much 

 shorter than dorso-ventral diameter of the head. Sides of face at narrowest part 

 not over one-fifth as wide as the median depression. Apical cell ending before wing 

 tip, closed, petlolate, the petiole not as long as the small cross-vein. Costal spine 

 prominent. Posterior end of hind cross-vein nearer to bend of the fourth longitudi- 

 nal vein than to the small cross-vein. 



Type of the genus. — Neophorichoeta johnsoni sp. nov. 



Neophorichseta johnsoni sp. nov. 

 Length, 7-8 mm. Front one and one-fifth times as wide as either eye. Frontal 

 bristles of three or four pairs, strong, cruciate, widely separated, descending to base 

 of the second antennal joint. Outside of these an orbital row of proclinate bristles 

 and several fine black hairs. Posterior orbital bristle stout, directed outwardly. 

 Frontal vitta black, densely grayish pollinose, wider than side of front. Ocellar 

 triangle and sides of front black, grayish pollinose. Ocellar bristles proclinate. 

 Sides of face black, gray pollinose, bearing a few bristly black hairs outside of the 



