264 MR. walker's CATALOaFE OF DIPTEROUS INSECTS 



tace nigro, antennarum articulo 2° rufo, thorace rufescente subtomeu- 

 toso, abdomine nigricante cupreo glauco-sutfuso, pedibus rufis, femori- 

 bus nigris, alis luteis apice nigris, halteribus albidis. 

 Male. Black. Head with bright gilded hairs ; epistoraa prominent ; 

 mystax with a few black bristles. Antenna; hardly longer than half 

 the breadth of the head ; 2nd joint mostly red ; 3rd linear, tapering 

 towards the tip. Thorax slightly covered with reddish tomentum, 

 which is divided by a slender stripe ; sides and hind border reddish. 

 Abdomen blackish cupreous, shining, with glaucous reflexions. Legs 

 reddish, robust, bristly ; coxa;, trochanters, and femora black. Wings 

 bright luteous, with black tips ; hind border blackish ; halteres whitish. 

 Length of the body 8-10 lines; of the wings 14-18 lines. 



4. Laphria Vulcanus, Wied (see Vol. L p. 10), var. Fcem. Nigra, 

 capite aurato, mystace nigro, pectoris lateribus aurato notatis, seg- 

 mentorum abdominalium marginibus posticis glaucescentibus utrinque 

 aurato maculatis. uedihns vnfpc^on+^K.,.-. .,i;- -; — --- •> 



-J, — „xxx,»i*i. xiiuiaA witii an ODiique silvery streak 



on each side in front. Abdomen purplish blue, with a silvery sjiot 

 on each side of the hind border of the 4th segment. Legs purplish- 

 blue, robust, bristly ; fore tibiae and hind tarsi beneath with gilded 

 tomentum. Wings black, very iridescent ; halteres whitish. Length 

 of the body 8 lines ; of the wings 16 lines. 



Subfam. Asilites, Walk. 

 Gen. Trupanea, Macq. 



6. Trupanea strenua. Walk. See Vol. IV. p. 106. Mas. Nigra, barba 

 flavescenti-alba, mystace nigro, abdomine fasciculis basalibus albis. 



