12 MR. WALKER'S CATALOGUE OF DIPTEROUS INSECTS 



very few black bristles. Proboscis linear, more slender tban that of L. radi- 

 calis. Third joint of the antennee linear, a little longer than the 1st and 

 the 2nd, more slender than that of L. radicalis. Thorax with dull tawny 

 tomentum ; pectus more cinereous. Abdomen more slightly tawny. Legs 

 with cinereous hairs and black bristles. Wings blackish, almost limpid 

 towards the base ; veins black. Halteres tawny. Length of the body 5 lines ; 

 of the wings 9 lines. 

 Singapore. 



35. Lapheia fusifeea, n. s., foam. Nigra, cinereo-tomentosa, capite albido, 

 mystace nigro, antennarum articulo 3° fusiformi, thoracis vittis duabus 

 pectoreque canis, abdomine apicem versus rufo, alis subcinereis apud costse 

 dimidium apicale fuscescentibus. 



Allied to L. crassipes, Fabr. Female. Blaek, with greyish tomentum. Head 

 whitish in front, with white hairs beneath ; face very convex towards the 

 epistoma. Mystax with a few black bristles. Proboscis oblique, ascending, 

 stout, straight, lanceolate. Third joint of the antennae fusiform. Thorax 

 with two hoary stripes ; sutures and pectus hoary. Abdomen pale red 

 towards the tip which is compressed. Legs with whitish hairs and black 

 bristles. "Wings greyish, brownish for half the breadth along the apical 

 half of the costa ; veins black. Length of the body 6 lines ; of the wings 

 12 lines. 



Singapore. 



36. Lapheia SOF.EIA, n. s., foem. Nigra, fulvo - tomentosa, capite albo, 

 mystace nigro, abdominis apice glabro, tibiis ferrugineis, alis cinereis basi 

 sublimpidis. 



Female. Black. Face flat, with shining white tomentum. Mystax with a 

 few black bristles. Proboscis straight, slender, linear. Thorax and abdomen 

 with tawny tomentum, the latter bare and shining towards the tip. Pectus 

 more cinereous. Tibiae somewhat ferruginous. Wings dark cinereous, 

 almost limpid towards the base ; veins black. Halteres testaceous. Length 

 of the body 5 lines ; of the wings 10 lines. 



Singapore. 



37. Lapheia plana, n. s., mas. Nigra, cinereo-tomentosa, capite albido, 

 mystace nigro, antennarum articulo 3° elliptico, pedibus fulvis, alis cinereis, 

 halteribus albidis. 



Male. Black, with cinereous tomentum. Face whitish, flat. Mystax with 

 very few black bristles. Proboscis straight, porrect, slightly lanceolate, 

 somewhat short. Third joint of the antenna? elliptical, a little shorter than 

 the 1st. Pectus hoary. Legs tawny. Wings grey ; veins black. Halteres 

 whitish. Length of the body 4 lines ; of the wings 10 lines. 

 . Singapore. 



38. Lapheia imbellis, n. s., foem. Nigra, cinereo-tomentosa, capite albido, 

 mystace albo, antennis fulvis, thoracis strigis transversis quatuor lateralibus 

 vittisque tribus intermediis canis, abdominis segmentis maculis lateralibus 

 albidis, pedibus fusco-fulvis, alis limpidis apice fuscis, halteribus albidis. 



Female. Black, with cinereous tomentum. Head with white hairs beneath. 

 Face whitish, slightly convex towards the epistoma. Mystax with a few 



