BOLITOPHILA. 71 



7. fasciata, Meig. Zw. i, 223. 2 (1818) ; Curt. ; Mcq. ; Gim. ; Zett. 

 — multlc'mda, Curt. — nana, Mcq. — pimlla, IMeig. Testacea, vertice 

 nigro, antcnuis nigricantibiis, thorace fusco-trivittato, abdominis vitta 

 dorsali fasciisque tavsisque fuscis. Long. 2-1—4 ; alar. 4-7 lin. 



Testaceous. Head black above. Antenna) blackish, testaceous at 

 the base. Thorax with three brown stripes, the lateral pair short. 

 Wings very slightly greyish. Abdomen with an interrupted brown 

 dorsal stripe, and a brown band on the fore border of each segment. 

 — Var. Antennfc with testaceous bands. 



Not rare. (E. I.) 



Genus XXIII. BOLITOPHILA. 



BoLiTOPHiLA, Iloffm. ; Meig. Zw. 1.230(1818); Mcq.; Zett. Macro- 

 cera p., Meig. Kl. Messala, Curt. 



Co7'j)ns graciUhnum. Caput parvum. Oculi ovati. Ocelli tres, medius 

 vix antepositus. Palpi 4-articulati, cylindriei ; articulus primus 

 brevissimus. Antennae setacece, gracilUmce, IG-articulatse, corpore 

 breviores. Thorax ovatus. Alee angusta ; vena cnh'daUs furcata. 

 Halteres sat longi. Abdomen attenuatum. Pedes longi, gracilllhii ; 

 tibifje spinis et calcaribns nulUs. Mas. Antennae pubescentes, lon- 

 giores. Abdomen lineare, subcylindricum. Fcem. Antennae nuda}, 

 breviores. Abdomen longi-fasiforme. 



Body very slender. Head small. Eyes oval. Ocelli three, tlic 

 middle one hardly in front of the others. Labrum elongate-trigonate. 

 Labium rather short and broad. Palpi cylindrical, four-jointed ; first, 

 second, and third joints short ; fourth longer, slender. Antennre six- 

 teen-jointed, setaceous, very slender, shorter than the body, sixteenth joint 

 longer than the fifteenth, with the apex somewhat attenuated for a short 

 .space, but not divided by any further articulation. Thorax oval. Wings 

 narrow ; subcostal vein curved forward at its tip, ending at about half 

 the length of the wing ; radial curved upward at its tip, ending at full 

 three-fourths of the length; cubital forked, springing from the radial at 

 hardly before half the length, curved by its base, almost straight from 

 thence to the tip along its hind fork, and nearly at a right angle with 

 its fore fork, which joins the radial near its tip ; subapical emitting 

 before half its length a transverse veinlet, which joins the cubital and 

 bounds the praebrachial areolet, forked a little beyond this ; pra;bra- 

 chial, pobrachial and anal veins distinct ; humeral veinlet near the 

 base; areolets fourteen, — the humeral, the radical, the subcostal, the 

 radial, the pnebrachial, the pobrachial, which is extremely short, two 

 cubital, the subapical, three externo-medial, the anal, and the axillary ; 

 posterior margin forming an inward curve at a little within the length 

 of the humeral areolet from the base. Halteres moderately long. Ab- 

 domen long, attenuated. Legs long, very slender ; tibice icithout spines 

 or spurs. Male. Antenmc pubescent, longer than those of the female. 



