306 Journal New York Entomological Society. t Vo1 - xxvu. 



a. Black ; densely covered with long, erect, yellowish-white pile, which is 

 feebly reclining along the apical margins of the abdominal tergites ; 

 third submarginal and second posterior cells closed and long petiolate 

 before the margin of the wing; length, $ : 10.5-12 mm. 



P. clausus (Osten-Sacken). 



Proboscis well-developed, short, broad and soft, ending in large, fleshy la- 



bella ; palpi long and slender ; wings with broad alula ; ovipositor of 



female telescope-shaped 2 



2 Three submarginal cells ; eyes densely pilose, holoptic in both sexes. 



Hyrmophlaeba Rondani. 



a. Third submarginal cell closed and long petiolate before the margin of 



the wing'; body densely hairy throughout, without pollinose bands ; 



length 5, without ovipositor: 9.5 mm H. brevirostris (Macquart). 



Third submarginal cell broadly open on the margin of the wing; body 

 densely pilose, without pollinose bands ; length J, without ovipositor : 



11 mm.; J 1 : 11. 5-12 mm H. texana (Cockerell). 



Two submarginal cells ; eyes dichoptic, broadly separated by the front in 

 both sexes •• • Hirmoneura Meigen 3 



3 Eyes densely pilose Hirmoneura proper. 



Eyes bare Neohirmoneura new subgenus. 



(type: Hirmoneura flavipes Williston) 

 a. Thorax densely pilose, the integument covered with a uniform yellowish- 

 gray bloom, without bands ; abdomen moderately hairy, brownish- 

 gray pruinose ; a white pollinose band at the base of tergite two, be- 

 yond it a broader brown band ; hind legs entirely yellowish-red ; 

 length 9, without ovipositor: 13 mm.; J 1 : 13.5 mm. 



H. flavipes Williston. 

 Thorax with yellowish hairs longer on the sides, and with a brownish- 

 yellow pollen ; abdomen with a brownish pollen which is darker on 

 the posterior half of tergites 2, 3, 4 (these segments thus showing 

 slight traces of darker cross-bands) ; the base of the abdomen with 

 longer, pale yellowish-rufous hairs ; the posterior half of segment 2, 

 as well as the two following segments, beset with short semicrest 

 black hairs ; legs pale rufous, hind femora slightly brownish at the 

 tip, hind tarsi brown; length J, without ovipositor: 13 mm. (^ un- 

 known) H. psilotes Osten-Sacken. 



Body feebly pilose, except at the sides of the thorax and at the base 

 of the abdomen ; thorax with conspicuous longitudinal brown and 

 gray pollinose bands ; abdomen above with transverse fasciae alter- 

 nately brown and white pollinose; legs yellowish-brown; the tips of 

 the hind femora, the hind tibiae and tarsi dark brown to black; length 

 9, without ovipositor: 11— 14 mm.; $ : 11— 14 mm. 



H. bradleyi new species. 



