252 T. T). A. COCKERELL. 



Hirtnoneiira brevirostris Macqnart, Dipt. Exot., Suppl. 1. 101. 

 The description is as follows; the species has not been found in 

 recent 3'ears. 



"Fusca alho-iomentoso. Proboscide hreve. Pedihw< rufix. Alis hynlinis. (Tab. 20, 

 fig. 1.) 



"Long. 41. 1. %. Corps assex etroit. Trompe ties courte, a peine saillante. 

 Face noire, a duvet gris. Front lineaire. Antennes brunes; les deux premiers 

 articles tres velus; troisieme brievement coniqne. Yeux velus. Thorax et abdo- 

 men d'un brun mat, a polls blancs: ce dernier de six segmens distincts. Pieds 

 d'un fauve clair, ii duvet et polls blancs. Ailes: trois cellules sous-marginales, 

 dout les premiere et troisieme sont fermees; cinq posterieures, dont la quatrlcme 

 est ferniee. 



De Merida de Yucatan. Trouve par M. Pilate." 



Hirmoiieiira flavipes Williston, Trans. Amer. Ent. Soc, xili, p. 292. 



% . "Black, thickly poUinose; anteunte and legs yellowish; wings nearly 

 hyaline, narrowly luteous in front;.. . .length, with ovipositor 15 mm., without, 

 13 mm. . . .front narrow, only a little wider below, a little shining, with greyish 

 pollen and black pile. • • .antennse situated below the middle of the head In pro- 

 file, short, joints of nearly equal length, the third cordate; pile of basal joints 

 yellow and blackish. .. -face with sparse yellow-ish pile, but that of the palpi 



longer, blackish thorax black, but mostly concealed beneath uniform, thick 



greyish brownish dust; pile erect, moderately abundant, not long, lutescent yel- 

 lowish. . . -abdomen like the dorsum of the thorax; at the base, with yellowish 

 pile, beyond with short, reclining, sparse black hairs; a nariow band at the base 

 of second segment, gray pollinose, beyond It a broader brown band ; ovipositor 

 directed backwards, composed of five segments, their entire length about equal 

 to that of the two preceding segments together, forming a tapering continuation 

 of the abdomen, the last one elonfjate, reddish, and split nearly to Its base; legs 

 light yellow, the tips of the four anterior tarsi, the tip of hind femora and the 

 rest of hind legs reddish." (Williston.) 



A species of the United States, but uo particular locality is given. 

 Hirinoneura psilotes Osten Sacken, Biol. Cent.-Amer., Dipt., 1, p. 74. 

 As the description is not available in many places, it is copied 

 in full. 



"%. Brown, with a brownish-yellow pollen; legs pale rufous; antennte and 

 palpi rufous; wings tinged with pale brownish, brownish-yellow along the costa ; 

 eyes glabrous. 



Length, without the ovipositor, about 13 mil 11m. 



Hab. — Mexico (Sumichrast). 



Proboscis rufous, short, the large lips but little projecting outside of the oral 

 opening; last joint of the palpi long, cylindrical, pale, rufous, closely aj)plied to 

 the facial orbit of the eye and almost reaching the antennae; autennse rufous, 

 beset with rufous hair; face and front densely covered with a yellowish-gray 

 pollen ; the face beset with pale rufous hairs, the front with black liairs mixed 

 with rufous ones, the latter especially visible in front of the ocelli ; front nearly 

 parallel, the vertex very little narrower; eyes glabrous. The brown giound- 



