COLLECTED IN BATCHIAK, KA.ISAA, ETC. 279 



diflPerent in colour, it may be a subspecies, and is therefore here described 

 at length. 



30. Laphria consors, Walk. See Vol. III. p. 85. 



31. Laphria comes. Walk. See Vol. III. p. 85. 



32. Laphria argentifera, n. s. Fcem. Atra, capite antico abdo- 

 minisque segmentis tribus argenteis, mystace albo nigro, thorace ma- 

 culis quatuor auratis, pedibus rufis, alls purpurascenti-nigris, halteribus 

 albis. 



Allied to L. Vulcanus, of which species L. ampla may be a variety. 



Female. Deep black, stout. Head white behind, silvery in front ; epi- 

 stoma prominent; mystax composed of short white bristles and of 

 some long black bristles. Antennae a little longer than half the breadth 

 of the head; 3rd joint linear, nearly twice the length of the 1st and 

 2nd together. Thorax with two spots of pale gilded tomentum on 

 each side. Abdomen with the three first segments bright silvery. 

 Legs red, stout ; coxae and trochanters black. Wings purplish-black ; 

 veins black; halteres white. Length of the body 7 lines; of the 

 wings 14 lines. 



33. Laphria ardescens. Walk, See ante, p. 235. 



34. Laphria flagrantissima. Walk, (see Vol. III. p. 86), var. Fcem. 

 Nigra, capite mystaceque auratis, proboscide antennisque rufis, tho- 

 race subaurato, maculis humeralibus lateribus scutelloque aurato-ful- 

 vis, abdomine basi fasciisque aurato-fulvis, pedibus laete fulvis, alis 

 luteis apice nigricantibus, halteribus flavescentibus. 



Female. Black, stout. Head brightly gilded; mystax composed of 

 some gilded bristles. Proboscis and antennae red, the latter not longer 

 than half the breadth of the head ; 3rd joint lanceolate, twice the 

 length of the 1st and 2nd together. Thorax slightly covered with 

 gilded tomentum ; sides, humeral s])ots, and scutellum tawny, brightly 

 gilded. Abdomen tawny and gilded at the base and on the hind 

 borders of the following segments, the bands successively decreasing 

 in breadth. Legs robust, bright tawny. Wings luteous, blackish 

 towards the tips and about the exterior part of the subanal vein, 

 cinereous along the hind border ; halteres yellowish. Length of the 

 body 8 lines ; of the wings 16 lines. 



35. Laphria basifera, n. s. Mas. Nigra, capite antico subaurato, 

 mystace albido, thoracis lateribus subaurato tomentosis, pectore albido, 

 abdomine luteo, basi apiceque nigris, pedibus pallide luteis, alis cine- 

 reis, halteribus pallide flavis. 



Male. Black. Head with cinereous tomentum, slightly gilded in front ; 

 mystax composed of several slender whitish bristles. Antenna; full as 

 long as half the breadth of the head ; 3rd joint very elongate- fusiform, 

 much longer than the 1st and the 2nd together. Thorax with slightly 



