164 MR. WALKER ON DIPTERA COLLECTED AT MAKESSAR. 



testaceous ; wings slightly greyish, blackish at the base of the costa ; 

 veins black ; discal transverse vein straight, upright, parted by more 

 than twice its length from the border, and by less than twice its length 

 from the praebrachial transverse ; halteres testaceous. Length of the 

 body 1 1 line ; of the wings 2 lines. 



Subfam. Psilides, Walk. 



G-en. MiOROPEZA, Macq. 



213. Micropeza fragilis, Walk. See Vol. I. p. 37. 



Gen. CcENUEGiA, n. g. 



Mas. Corpus gracile. Caput elongatnm, antice conicum. Antennae 

 porrectae ; articulus 3*** lanceolatus ; arista apicalis, sat robusta. Tho- 

 rax linearis. Abdomen fusiforme, thorace vix angustius, non longius. 

 Pedes longi ; femora lata, compressa ; tarsi antici articulo 1° dilatato 

 fusiformi. Alee breviusculae, sat angustae. 



AUied to Nerius. Male. Body slender. Head elongate, conical in 

 front, as broad as the thorax. Antennae porrect ; '1st and 2nd joints 

 short ; 3rd lanceolate ; arista rather stout, apical, larger than all the 

 preceding joints. Thorax linear. Abdomen fusiform, hardly narrower 

 and not longer than the thorax. Legs long, femora broad, compressed ; 

 fore tarsi with the first joint dilated, fusiform. Wings rather short 

 and narrow. 



214. CcENURGiA REMiPES, u. s. Mas. Fulva, capite guttis tribus 

 nigris, antennis basi nigris, arista alba, thorace maculis duabus nigris, 

 pedibus nigris, coxis femoribusque luteis apice nigris, alis flavo-cinereis, 

 halteribus apice nigris. 



Male. Tawny ; head with a black spot on the vertex, and with two 

 black dots on each side, one in front, the other behind ; antennae 

 black towards the base ; arista white ; thorax with a black spot on 

 each side in front ; legs black ; coxae and femora luteous, with black 

 tips ; wings grey, tinged with yellow ; veins black ; cubital vein and 

 praebrachial vein converging towards the tip of the wing; discal trans- 

 verse vein straight, oblique, parted by less than its length from the 

 border, and by more than twice its length from the praebrachial trans- 

 verse ; halteres with black knobs. Length of the body 3i lines ; 

 of the wings 5^ lines. 



Gen. Nerius, Wied. 



215. Nerius fuscipennis, Macq. See Vol. I. p. 38. 



Gen. Seraoa, n. g. 



Foem. Corpus longiusculum. Caput transversum, thorace vix angustius. 

 Antennae breves, articulo 3" conico, arista plumosa. Thorax ellip- 



