LIST OF DIPTERA. 335 



5. Lasia eufipes. 



^neus ; thorax et abdomen valde luie) pilosa, pedes alarumque 

 vencB costalcs testacea. 



Lasia rufipes, Weslw. Trans. Ent. Soc. Lond. v. 9l\ 

 Brazil. 



Genus 3. PTEROPEXUS. 



Frons linearis. Oeuli villosi. Proboscis longa. Palpi brevis- 

 simi. Antennae capitis antici medio insertae, articulo lo subconico, 

 2o cyathilorini, 3o longo anguslo. Alarum costa apicem versus 

 angulata. 



Pteropexus, Macq. Dipt. Exot. Svppl. 1, 97. 



Subcostal vein ending before half the length of the wing ; 

 mediastinal ending at much beyond three-fourths of the length. 

 Radial endini; at a little in front of the tip. Cubital simple, ending 

 at a liitle behind the tip. First, second, and fourth externo- 

 medial veins con'plele; third abbreviated. Subanal vein joining 

 the ar.al near the border. Discal areolet elongate, tetragonal. 



1. Pteeopexus bicolor. 



Mas. Viridis ; fades antennaque nigrcB ; abdomen violaceum ; 

 pedes fulvi ; alee suhfuscce. 



Pteropexus bicolor, Macq. Dipt. Exot. Suppl. 1, 9d, 1, p!. f. 2. 

 New Grenada. 



Genus 4. CYRTUS. 



Oculi pubescentes, sub antennarum bast coutigui. Ocelli tres. 

 Proboscis longa. Antennae biarticulatse, vertice inseitce. Protho- 

 racis lobi ilorsales remoii. 



Cyrtus, Za/r. Precis. 151; Meig.; Wied. ; Macq.; Ericlis. 

 Aciocera, p., Fabr. Si/st. Antl. 832. 

 Henops, p., Illig. Kiif. Preuss. 500. x 



2g3 



