COLLECTED AT DOBEY, NEW GUINEA. '235 



transverse silvery-white dots along each side ; legs blue, with black 

 bristles and with white hairs ; wings dark cinereous, paler along the 

 eosta for full half the length ; veins black ; halteres pale yellow. 

 Length of body 9-10 lines ; of the wings 18 lines. 



23. Laphria ardescens, n. s. F(£m. Ochracea, capite aurato, an- 

 tennarum articulo 3° lanceolato, thorace vitta lata nigricante lineas 

 duas nigras includente, abdomine fasciis tribus nigris, alis testaceo- 

 cinereis nigricante bifasciatis. 



Female. Ochraceous, nearly cylindrical ; head with gilded toraentum ; 

 antennaj a little longer than half the breadth of the head ; 3rd joint 

 lanceolate ; thorax with a broad blackish stripe which includes two 

 black lines and is dilated into two lobes on each side hindward ; pectus 

 with two black bands ; abdomen with three black bands, the first 

 abbreviated ; legs very stout ; wings testaceous-cinereous, with two 

 very broad blackish bands, of which the 1st is abbreviated towards the 

 costa ; veins tawny, partly black. Length of the body 8 lines ; of the 

 wings 16 lines. 



24. Laphria disciplena, n. s. Mas. Ochracea, robusta, capite 

 aurato, antennarum articulo 3° nigro lanceolato, thoracis disco nigri- 

 cante, alis nigricantibus basi limpidis. 



Male. Ochraceous, stout, with paler hairs and bristles ; head with pale 

 gilded totnentum ; mystax with many pale gilded bristles ; mouth 

 black, except at the base ; antennae a little shorter than half the 

 breadth of the head ; 3rd joint black, lanceolate ; disk of the thorax 

 blackish ; pectus with two blackish bands ; claws black ; wings 

 blackish and with black veins, limpid and with pale veins at the 

 base and along more than half the length of the costa. Length of 

 the body 7 lines; of the wings 12 lines. 



25. Laphria tripars, n. s. Mas. Ochracea, antennis parvis articulo 

 3° lanceolato, abdominis segmentis 4° S^que nigris, alis ochraceo sub- 

 tinctis nigro bifasciatis. 



Male. Ochraceous ; mystax with several bristles ; antennae not longer 

 than half the breadth of the head ; 3rd joint lanceolate ; abdomen with 

 a broad black band which occupies the 4th and 5th segments ; legs 

 robust 1 wings nearly limpid, with a very slight ochraceous tinge and 

 with two black bands ; 1st band broader than the 2nd, which is a23ical ; 

 veins ochraceous, black in the bands. Length of the body 5 lines; of 

 the wings 9 lines. 



26. Laphria BiPARS, n. s. Mas. Ochracea, capite albido, antennis 

 nigris articulo 3" sublineari, abdomine apicem versus nigro, alis nigri- 

 cantibus basi limpidis. 



Male. Ochraceous ; head with whitish tomentum ; epistoma quite 

 flat ; mystax with very few whitish bristles ; mouth and antennae 

 black ; 3rd joint of the latter almost linear, slightly attenuated at each 



16* 



