114 MR. WALKER'S CATALOGUE OE DIPTEROUS INSECTS 



Male and Female, Body covered with gilded tomentum. Mystax com- 

 posed of several slender black bristles. Antennse and legs black. Third 

 joint of the antennse nearly linear, slightly acuminated, hardly longer than 

 the 1st and the 2nd together. Abdomen bare, shining and blackish-purple 

 towards the tip. Legs rather stout ; tibiae luteous ; hind tibia? black 

 towards the tips. Wings blackish, slightly greyish on nearly half the 

 length from the base ; veins black, tawny at the base. Halteres tawny, 

 with brown knobs. 



Male. Face with white tomentum. 



Female. Face with pale gilded tomentum. 



Length of the body 4£-5 lines ; of the wings 8-9 lines. 



53. Lapheia Eupis, n. s., foem. Nigra, capite postico pectoreque cano- 

 tomentosis, facie fulva, thorace vittis duabus canis ; abdomine cyaneo- 

 nigro maculis lateralibus canis, alis nigricantibus basi late subcinereis, 

 halteribus fulvescentibus. 



Male. Black. Head with hoary tomentum behind, thickly clothed beneath 

 .with testaceous hairs. Face tawny. Mystax composed of many black 

 bristles. Thorax with two hoary stripes. Pectus hoary. Abdomen bluish- 

 black, with hoary spots along each side. Legs stout, clothed with hoary 

 and pale testaceous hairs, and with black bristles. Wings blackish, slightly 

 greyish for more than one-third of the length from the base ; veins black. 

 Halteres somewhat tawny. Length of the body 6 lines; of the wings 

 11 lines. 



54. Lapheia peodttcta, n. s., mas. Atra vix pilosa, facie aureo-tomentosa, 

 pectore cano, abdomine longiusculo punctis lateralibus canis, pedibus 

 crassis, alis nigricantibus dimidio fere basali subcinereo, halteribus tes- 

 taceis. 



Male. Deep black, hardly pilose. Face with pale gilded tomentum. Mystax 

 with very few black bristles. Pectus with hoary tomentum. Abdomen 

 somewhat long, with minute hoary dots along each side- Legs thick, 

 rather short. Wings blackish, greyish for nearly half the length from the 

 base ; veins black. Halteres testaceous. Length of the body 4£ lines ; of 

 the wings 7 lines. 



55. Lapheia lepida, n. s., mas. Nigra aureo-pilosa, facie aureo-tomentosa, 

 thorace bivittato et bifasciato, abdomine aureo-rufo, pedibus crassis pilosis, 

 alis nigricantibus triente basali subcinereo, halteribus testaceis. 



Male. Black, clothed with gilded hairs. Face with gilded tomentum. 

 Mystax with many gilded and with a few black bristles. Third joint of 

 the antennse linear, conical at the tip, longer than the 1st and the 2nd 

 together. Thorax with two stripes and two bands of gilded tomentum. 

 Pectus gilded. Abdomen with golden-red tomentum. Legs pilose; femora 

 incrassated. Wings blackish, slightly cinereous for full one-third of the 

 length from the base ; veins black. Halteres testaceous. Length of the 

 body 6 lines ; of the wings 11 lines. 



56. Lapheia completa, n. s., foem. Nigra fulvo-pilosa, facie pectoreque 

 aureo-tomentosis, abdominis apice glabro nigro-purpureo, pedibus robustis, 

 alis fuscis triente basali pallidiore, halteribus testaceis. 



