84 WALKEE ON DIPTEEA OF ARU ISLANDS. 



tisque duabus lateralibus cinereis, pectore postico nigro, abdomine 



?, tibiis tarsisque posticis fulvis. 



Luteous-tawny. Head, anteimse, hind part of the pectus, and legs black, 

 shining ; mystax with very few bristles ; antennae almost as long as the 

 breadth of the head, third joint long, slender, linear ; thorax with a 

 slate-coloured blackish-bordered stripe, a short slate-coloured stripe 

 on each side ; abdomen wanting ; hind tibiae and tarsi tawny ; wings 

 blackish, veins black. Length of the body 4? lines; of the wings 

 7 lines. 



Subfam. Laphrites, Walk. 

 Gen. Lapheia, Fahr. 



24. Laphria scapularis, Wied. Auss. Zweijl. 1. 516. 29. 

 Inhabits also Java. 



25. Laphria aurifacies, Macq. See Vol. I. p. 10. 



26. Laphria gloriosa, n. s. Mas et Fcem. Aurata, capite pec- 

 toreque albis, abdomine purpureo, guttis lateralibus albis, basi viridi, 

 lateribus pedibusque cyaneis, alis fuscis basi cinereis, halteribus 

 testaceis. 



Male and Female. Head and pectus with white tomentum and hairs ; 

 mystax with a few black bristles ; mouth and antennae black ; third 

 joint of the latter linear, conical at the tip, longer than the first and 

 the second together ; thorax with cupreous-gilded tomentum ; abdo- 

 men purple, green at the base, blue and with a row of white dots 

 along each side ; legs blue ; wings brown, cinereous towards the base, 

 veins black ; halteres testaceous. Male. Legs very thick and pilose. 

 Length of the body 9 lines; of the wings 16 lines. 



27. Laphria socia, n. s. Fam. Cyaneo-viridis, capite aurato, an- 

 tennarum articulo tertio longissimo subfusiformi, thoracis tomento 

 subaurato, vitta media nuda, pectore argenteo, abdomine purpureo- 

 cyaneo basi viridi maculis lateralibus argenteis, alis nigro-cinereis basi 

 cinereis. 



Female. Bluish-green. Head brightly gilded, hind part silvery; mystax 

 with six long black bristles; third joint of the antennae very elongate 

 subfusiform ; thorax with slightly gilded tomentum, excepting a broad 

 bare middle stripe; pectus with silvery tomentum ; abdomen purplish- 

 blue, green towards the base, with spots of silvery tomentum along 

 each side ; hind borders of the ventral segments white ; wings grey, 

 blackish-grey for almost half the length from the tips and along three- 

 fourths of the length of the hind border, veins black ; halteres ferru- 

 ginous. Length of the body 8^ lines; of the wings 16 lines. 



28. Laphria consobrtna, n. s. Fam. Purpurea, capite aurato, pec- 

 tore argenteo, abdomine viridi-cyaneo, maculis lateralibus argenteis, 

 alis nigricantibus basi cinereis. 



