LIST OF DIPTERA. 509 



South America. 



2. Megapoda labiata. 



Nigra, nudiuscula ; labrum flavum ; abdomen chalybeum ; tarsi 

 anticijlavi ; almfuscce. 



Laphria labiata, Fabr. 



3. Megapoda cbassitarsis. 



Mas. Testacea ; pedes elongati, tarsis posticis crassis hirlis ; ala 

 jiavidce. 



Megapoda crassitarsis, Macq. Dipt. Exot. Suppl. 1, 70, 2, pi. 7, 

 f. 11. 



Brazil. 



Genus 2. HOPLISTOMERA. 



Corpus non punctatum. Caput mystace conspicuo. Pro- 

 boscis porrecta. Palpi lati, ovati, acuminati. Antennae triarticulatae, 

 nonstylatss, insertione solita; articulus 3us nudus, obtusus. Abdo- 

 men non petiolatum. Oviductus brevis. Femora postica anteriori. 

 Ijus multo crassiora. Alarum vena cubitalis ramo antico simplici. 



Hoplistomera, Macq. Dipt. Exot. i. 59. 

 Laphria, p., Fabr.; Wied. 



Body pubescent, with very few hairs and bristles. Face flat. 

 Mystax with a few bristles. Proboscis short, stout, straight, lanceo- 

 late. Third joint of the antenna? linear, slender, very much longer 

 than the first and the second together. Hind femora very thick, 

 armed beneath with teeth. Radial vein curved abruptly to the sub- 

 costal. Fore fork of the cubital much curved, its curve nearly 

 parallel to that of the radial ; hind fork curved hindward, joining 

 the first externo-medial at a short distance from the border ; second 

 externo-medial straight ; third forming an almost right angle with 

 the pragbrachial, joining the fourth far from the border. Subanal 

 united to the anal very near the border. 



1. Hoplistomera serripes. 



Nigra, fulvo hirta ; femora postica incrassata serrata ; alee fusco 

 bifasciatm. 



Laphria serripes, Fabr. 



Guinea. Gambia. Senegal. 



2 y2 



