LIST OF DIPTERA. 541 



basi et apice attenuatus, lo et 2o conjunctim fere duplo longior. 

 Pedes validi, densissime ciliati. 



Body very broad. Head, thorax and sides of the abdomen 

 very hairy. Face flat. Mystax very thick. Proboscis short, thick, 

 lanceolate. Third joint of the antennae nearly linear, tapering at 

 each end, almost twice the length of the 1st and the 2nd together. 

 Legs stout, very thickly ciliated. Fore fork of the cubital vein much 

 curved; hind fork curved, very near the 1st externo-medial, which 

 it joins on the border; 2nd straight; 3rd forming a right angle 

 with the prsbrachial, joining the 4lh far from the border. Subanal 

 and anal united very far from the border. 



Laphria hirtipes. 



Group 3. 



Corpus sublineare, sat angustum, pilis setisque paucis. Facies 

 apud epistoma subconvexa. Mystax setis paucissimis. Proboscis 

 longa, recta, gracilis, liuearis. Pedes subpilosi. 



Body nearly linear, rather narrow, with but few hairs and 

 bristles. Head broader than the thorax. Face slightly convex 

 towards the epistoma. Mystax with about eight bristles. Pro- 

 boscis long, slender, straight, linear. Thorax broader than the ab- 

 domen. Metathorax with a thin tuft of bristles on each side. 

 Legs thinly clothed with short hairs and long slender bristles. 



Laphria Decula. 



Group 4. 



Corpus lineare, sat gracile. Caput dense pilosum. Facies 

 apud epistoma convexa. Mystax densissime setosus. Proboscis 

 recta, linearis. Anteunarum articulus 3us longifusiformis, lo et 2o 

 conjnnctim paullo longior. Abdomen pubescens, lateribus subpilo- 

 sis. Thoracis latera pilosa. Pedes sat graciles, pilosi, setosi. 



Body linear, rather slender. Head thickly clothed with hairs. 

 Face convex towards the epistoma. Mystax with very numerous 

 bristles. Proboscis straight, linear, moderately long and slender. 

 Third joint of the antenna? elongate, fusiform, a little longer than 

 the 1st and the 2nd together. Sides of the thorax hairy and with a 

 few bristles. Abdomen pubescent, hairy on each side towards the 

 base. Legs hairy, beset with a few bristles, rather slender. Fore 

 fork of the cubital vein slightly undulating; hind fork very slightly 

 curved, nearly parallel to the 1st extemo-medial ; 2nd externo-me- 

 dial straight; 3rd forming an obtuse angle with the praebrachial, 



