106 MB. WALKEB. ON DIPTEKA COLLECTED AT MAKESSAR. 



maculis duabus humcralibus albidis, abdomine nigricauti-cupreo, 

 dimidio basali cinereo piloso. 

 Male. Black ; head brightly gilded above, clothed with luteous hairs 

 beneath ; mystax with some black bristles ; 3rd joint of the antennae 

 nearly hnear, conical at the tip, a little longer than the 1st and the 2ad 

 together ; thorax with three slender cinereous lines ; sides with ochra- 

 ceous hairs; two humeral testaceous spots; abdomen bluish-black 

 towards the tip ; 1st, 2nd, and 3rd segments with ochraceous haiis ; legs 

 with gilded hairs and with black bristles ; femora incrassated, especially 

 the hind pair; wings blackish, almost limpid for nearly half the length 

 from the base, which is partly blackish ; the blackish part emitting 

 some streaks into the limpid part ; veins black ; halteres testaceous. 

 Female. Third joint of the antenna; elongate fusiform ; two humeral 

 whitish spots ; 1st, 2nd, and 3rd abdominal segments with cinereous 

 hairs ; following segments blackish cupreous. Length of the body 

 7-9 lines ; of the wings 14-16 lines. 



46. Laphria complens, n. s. Fam. Nigra, capite argenteo, anten- 

 narum articulo 3" fusiformi, thorace strigis duabus anticis obliquis 

 maculisque duabus pectoralibus argenteis, abdomine purpureo maculis 

 duabus argenteis, pedibus purpurascenti-nigris, femoribus non incras- 

 satis, alis nigricantibus, halteribus apice testaceis. 



Female. Black ; head silvery, with black hairs beneath ; mystax with 

 several black bristles ; third joint of the antennae fusifoi'm ; thorax 

 with an oblique silvery streak on each side in front ; pectus with a sil- 

 very spot on each side ; abdomen purple, with a silvery spot on each 

 side of the 4th segment ; legs purplish-black ; femora not incrassated ; 

 wings blackish; veins black; discal veinlet and third externo- medial 

 vein nearly forming one straight line ; halteres with testaceous knobs . 

 Length of the body 7 lines; of the wings 12 lines, 



47. Laphria dioctrioides, n. s. Fam. Nigra, tenuis, linearis, facie 

 pectoreque argenteis, antennis linearibus, abdomine maculis lateralibus 

 pedibusque fulvis, femoribus posticis nigro fasciatis, tibiis tarsisque 

 posticis nigris, alis cinereis, halteribus pallide flavis. 



Female. Black, slender, linear ; face silvery ; mystax with four black 

 bristles ; antennae slender, linear, nearly as long as the breadth of the 

 head ; pectus silvery ; abdomen with tawny dots along each side ; legs 

 tawny ; a black ring on each hind trochanter ; hind femora with a 

 black band ; hind tibiae and hind tarsi black, the latter tawny beneath ; 

 wings cinereous ; veins black ; halteres pale yellow. Length of the 

 body 2\ lines ; of the wings 6 lines. 



Subfam. Asilites, Walk. 

 Geu. Teupanea, Macq. 



48. Trupanea strenua, n. s. Fam. Nigra, robusta, capite fusees- 

 centi-cinereo, pilis subtus flavescenti-cinereis, abdomine fuscescenti- 



