ART. 17. NORTH AMERICAN PHOEOCERA ALDRICH AND WEBBER. 83 



black, second joint reddish at apex, the third two and a half times 

 the second; arista thickened on the basal third; biicca about one- 

 sixth the eye height; palpi yellow, proboscis small. Thorax with 

 thin gray pollen, the usual dark stripes rather narrow. Scutellum 

 yellow at tip and with spiny erect bristles; four dorsocentrals ; three 

 sternopleural bristles. Abdomen rather uniformly covered with 

 yellowish gray pollen, with a faint median dark line, the apices of 

 the segments not shining; discal bristles present but rather small 

 especially on the second segment; fourth segment with unusually 

 large discals and the usual erect large hairs; a small, blunt, shinhig 

 black ovipositor is just visible. Legs black; middle tibia with two 

 bristles on outer side; hind tibia with a more uniform row than 

 usual on the outer side interrupted by one larger. Wing hyaline, 

 the fourth vein bent almost at a right angle; first posterior cell 

 rather widely open a little before the tip of the wing; third vein 

 with three or four hairs at the base. 



Length 6.5 mm. 



Described from three females. Two are labeled " Victoria, B. C." 

 " Larvae received from G. DeBlois Green, from cocoon probably of 

 an arctian." The third specimen Royal Oak, British Columbia, Au- 

 gust 29 (J. D. Tothill). 



ry;?e.— Female, Cat. No. 25725, U.S.N.M., from Victoria. The 

 paratypes are deposited in the Canadian National collection. 



PHOROCERA UNIPILUM, new species. 



Head, thorax and abdomen shining black; facialia bristly on the 

 basal two-thirds; second antennal joint noticeably elongate. 



Front of male 0.294 of the head width, parafrontals shining black, 

 frontal bristles descend below the arista and meet those of the facialia, 

 which are bristly about two-thirds of the way; parafacials silvery; 

 bucca one-fifth the eye height; palpi black; antennae black, as long 

 as the face; the second joint elongate, third about five times the length 

 of second; arista thickened on the basal three-sevenths, penultimate 

 joint short. Thorax black, shiny, indistinctly vittate, bearing four 

 dorsocentral macrochaetae ; scutellum black, shining, with two long 

 and two short pairs of marginal bristles. Sternopleura with three 

 bristles. Abdomen black, shining, only a faint trace of gray pollen 

 at the base and sides of segments; venter thinly gray pollinose; first 

 segment with one pair of marginal, tlie remaining ones with both 

 discal and marginal macrochaetae; abdominal liairs snberect ; legs 

 black, mid tibiae with one bristle on the outer side near the middle; 

 hind tibiae ciliate. Wings hyaline, apical cell open, the third vein 

 with one or two bristles at its base. 



Length 6 mm. 



Described from one male specimen taken August 1, 1917, at Hood 

 River, Oregon. 



^2/7?^.— Male, Cat. No. 25726, U.S.N.M. 



