LIST OF DIPTEHA. 533 



Group 7. 



Caput et thorax dense setosa. Facies valde convexa. Mystax 

 dense setosus. Proboscis longa, robusta, apice arcuata. Antenna- 

 rum articulus 3us linearis, gracilis, lo et 2o conjunctim paullo 

 longior. Pedes validi, pilosi, setosi ; tarsi spinosi. 



Head and thorax thickly beset with bristles. Face very con- 

 rex. Mystax very bristly. Proboscis long and stout, curved 

 towards the tip. Antenna? slender ; third joint linear, a little longer 

 than the first and the second together. Legs stout, hairy and 

 bristly ; tarsi spinose. Fore branch of the cubital vein undulating ; 

 hind branch straight, united on the border to the first externo- 

 inedial vein ; third externo-raedial curved hindward and united to 

 the fourth at some distance from the border. Subanal and anal 

 veins united at some distance from the border. 



Laphria Amandus. 



Group 8. 



Caput et thorax setis paucis. Facies fere plana. Mystax 

 pilosus, epistoma versus setosus. Proboscis valida, recta. Anten- 

 narum articulus 3us fusiformis, loet2o conjunctim longior. Pedes 

 validi, setosi ; femora crassiuscula. 



Head and thorax with a few bristles. Face almost flat. Mys- 

 tax hairy, bristly towards the epistoma. Proboscis stout, straight. 

 Third joint of the antennae fusiform, longer than the first with the 

 second. Legs stout, bristly ; femora rather thick. Fore branch of 

 the cubital veiu much curved near the base, almost straight from 

 thence to the tip; hind branch very slightly curved, remote from the 

 first externo-medial, which is nearly straight; second externo-medial 

 straight; third curved abruptly hindward, and united to the fourth 

 at some distance from the border. Subanal united to the anal near 

 the border. 



Laphria maculipennis. 



Group 9. 



Corpus parce pilosum, non setosum. Facies apud peristoma 

 valde setosa. Mystax dense setosus. Proboscis latissima, sub- 

 arcuata. Antennarum articulus lus 2o plus duplo longior; 3us 

 longifusiformis, lo multo longior. Femora crassa. 



Proboscis compressed horizontally. Radial vein nearly straight. 

 Fore fork of the cubital very slightly undulating; hind fork and 



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