184 



1. pusilla, Meig. Zw. vi. 206. 22 (1830); Mcq.; Hal. acut- 

 angula? Zett. Nigra, alls albido-hyalinis aut fuscescentibus, venis 

 nigro-fuscis, halteribus albidis. Long. 1 ; alar. 2 lin. 



Black. Thorax and scutellum pubescent, the latter shorter than the 

 metathorax. Wings whitish-hyaline or dusky; veins blackish-brown. 

 Halteres whitish. Legs finely pubescent ; middle tibiae without many 

 bristles ; fore metatarsus and hind metatarsus acutely produced at the 

 tip, the latter triangular. 



Not rare. (E.) 



SUBFAMILY 3. LAUXANIDES. 



Sciomyzides p., Fal. Ochtidia p., Fal. Sapromyzides, Hal. Lamanidce, 

 Bigot. 



Alarum venae subcostalis et mediastinalis non conjunct^, areola pobra- 

 cUalis et analis brevissima. Abdomen sessile. Pedes longitudine me- 

 diocres. 

 Subcostal and mediastinal veins of the wings separate. Pobrachial and 



anal areolets very short. Abdomen sessile. Legs of moderate length. 



a. Sixth joint of the antennae plumose or pubescent. 

 6. Wings unspotted. 



c. Antennae reaching the epistoma. 1. LAUXANIA. 

 c c. Antennae not reaching the epistoma. 2. LONCH.EA. 

 b b. Wings generally spotted. 3. PALLOPTERA. 

 a a. Sixth joint of the antennae bare. 4. OCHTHIPHILA. 



Genus I. LAUXANIA. 



LAUXANIA, F. S. A. (1805); Latr.; Fal.; Meig.; Mcq.; Zett.; Hal. 

 Musca p., F. ; Schr. 



Corpus oblongum, convexum. Vertex apud antennas subdepressus. 



Facies verticalis. Epistoma non prominens. Antennae epistoma at- 



tingentes ; articulus tertius elongato-conicus, secundo plus duplo lon- 



gior ; sextus plumosus vel pubescens. 



Body oblong, convex, with few hairs and bristles. Vertex slightly 

 depressed towards the antennae. Face vertical, almost flat. Epistoma 

 not prominent. Antenna reaching the epistoma; third joint elongate- 

 conical, more than twice the length of the second ; sixth pubescent or 

 plumose. Costal vein ending on the hind border at some distance from 

 the tip of the wing ; subcostal ending at very little before one-third of 

 the length ; mediastinal ending at before half of the length ; radial 

 ending at about nine-tenths of the length ; cubital ending at the tip ; 

 discal transverse vein almost straight, slightly oblique, parted from the 



