184 MUSCID^. 



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

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

 nigro-fuscis, lialteribus 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 wliitish. Legs finely pubescent ; middle tibife witliout many 

 bristles ; fore metatarsus and liind metatarsus acutely produced at the 

 tip, the latter triangular. 



Not rare. (E.) 



Subfamily 3. LAUXANIDES. 



Sciomyzides p., Fal. OcJdidia p., Fal. Sapromyzides, Hal. Lauxanidce, 

 Bigot. 



Alarum veruB siihcostaUs et mediastinalis non conjunctee, areolcs pobra- 

 cMalis et analis brevissimce. 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 antennse plumose or pubescent. 

 b. Wings unspotted. 



c. Antenna? 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 promiuens. Antenna; epistoma at- 



tingentes ; articulus tertius clongato-conicus, secuudo plus duplo lon- 



gior ; sextus plumosus vet pubescens. 



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

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

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

 conical, more than twice the length of the second ; sixth jmbesce^it 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 lengtli ; radial 

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

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



