282 EPROB09CIDEA. 



Black, half the size of P. Dauci, the antenna? shorter. Wings more 

 obscurely hyaline, with conspicuous veins, those of the costa thick and 

 bristly. Fore tibia? and fore tarsi testaceous. 



Not common. (I.) 



17. galatea, Hal. Ent. Mag. 1. 179 (1833); Mcq. Nigro-fusca, 

 antennis halteribus pedibusque fulvis, thorace gracillimo, alis vix fusces- 

 centibus. Long. |-f ; alar, f-1 lin. 



Body long, slender, blackish-brown. Head compressed, with the 

 dilated front overhanging the eyes. Palpi pale, prominent, divaricate. 

 Antenna? tawny. Arista ascending, plumose, thickened at the root. 

 Thorax very narrow. Wings slightly brownish or nearly limpid ; costa 

 pubescent ; veins brown ; costal vein ending at about half the length 

 of the wing ; mediastinal vein ending at about half the length of the 

 costal; veinlets indistinct. Halteres and legs tawny. Abdomen de- 

 pressed, very broad behind. 



Not rare. (E. I.) 



38. arcuata, Meig. Zw. vi. 222. 33 (1830) ; Mcq.; Zett.rufpes, 

 Fal. debilis, Hal. Nigro-fusca, gracilis, nuda, alis fuscis, halteribus 

 pedibusque fulvis. Long. 1-2 ; alar, lf-3^- lin. 



Body blackish-brown, rather long and slender, almost without hairs 

 and bristles. W r ings brown ; veins dark brown ; costal vein ending at 

 beyond half the length of the wing, emitting a veinlet which extends 

 to five-sixths of the length ; mediastinal vein ending at a little beyond 

 three-fourths of the length of the costal ; radial vein emerging from 

 near the tip of the cubital. First veinlet very slightly curved, ending 

 at far in front of the tip of the wing ; second, third, and fourth slightly 

 undulating. Halteres tawny. Legs slender, tawny, without hairs and 

 bristles. 



Var. debilis, Hal. E. M. I. 179 (1833). Fusca, thorace cano-lineato, 

 alis et pedibus inermibus testaceis. 



Brown. Thorax with hoary lines. Wings deep brown, with darker 

 veins, and hyaline streaks between. 



Not rare. (E. I.) 



EPROBOSCIDEA. 



EPROBOSCIDEA, Hal. Ins. Brit. Dipt. 1. 6 (1851). Omaloptem, Leach. 

 Pupipara, Latr. ; Mcq. Coriacea, Meig. Homaloptera, Macleay ; 

 Steph. ; Curt. Thoracocephala, Westw. Orniihomyia, Blanch. 



