210 ME. T. WA1;KEB OK DIPTEEA COLLECTED IN 



Gren. DoLiCHOPTJS, Lafr. 



41. DoLicHOPUS PULCHRiCEPS, n. s. Foem. Testaceus, capite supra 

 purpureo, facie argentea, thoracevitta lata purpurea, alis cinereis. 



Female. Testaceous, paler beneath, with black bristles. Head purple 

 above ; face silvery. Third joint of the antennae minute, nearly round. 

 Thorax with a broad purple stripe. Posterior tibiae with two rows of 

 black spines. Wings cinereous ; veins black, straight, testaceous at 

 the base ; discal transverse vein very slightly curved outwai'd. Length 

 of the body 2i lines ; of the wings bi lines. j 



Gren. DiAPHORUS, Meigen. 



42. Diapliorus resumens, Walk. See Vol. III. p. 93. 



Pam. STEPHID^, Leach. 



Gen. Ebistalis, Latr. 



43. Eristalis bomboides. Walk. See Vol. IV. p. 119. 



44. Eristalis lucilioides. Walk. See Vol. V. p. 284. 



45. Eristalis inscripta, Doleschall. See Vol. V. p. 151. 



Var. ^. Male. Black. Vertex blue ; a broad silvery stripe on each side 

 of the face. Antennae reddish. Thorax with two oblique blue streaks 

 on each side, and with two double blue stripes ; scutellum bluish pur- 

 ple. Abdomen bluish purple at the base, with au anterior interrupted 

 baud which is dilated on each side ; apical part gold-colour, with six 

 elongated black spots, of which the two lateral pairs are oblique. 

 Var. y. Male. Thorax with purple stripes and streaks ; hind part 

 and scutellum tawny. Abdomen chalybeous hindward ; spots brown. 



46. Eristalis ^quipars, n. s. Mas. Nigra, capite vittis duabus 

 latis albido-cinereis, antennis rufescentibus, thorace vittis duabus 

 cinereis fascia interrupta apiceque chalybeo-viridibus, abdomine sub- 

 seneo-testaceo maculis septem elongatis fulvis disco basali nigro, pedi- 

 bus nigris, alis cinereis, halteribus pallide testaceis. 



Male. Black. Head with a broad, whitish-cinereous stripe on each 

 side of the face. Antennae reddish ; arista bare. Thorax with two 

 indistinct cinereous stripes, and with an interrupted chalybeous-green 

 band ; hind part and pectus chalybeous green. Abdomen testaceous, 

 with a slight aeneous tinge ; base black, except on each side ; seven 

 elongated tawny spots, three dorsal and two on each side. Legs black. 

 "Wings cinereous ; veins black ; halteres pale testaceous. Length of 

 the body 6 lines ; of the wings 12 lines. 



This may be a variety of E. inscripta. 



47. Eristalis postscripta, u. s. Mas. Nigra, capite vittis duabus 

 albido-cinereis, antennis rufescentibus, thorace chalybeo-viridi vittis 



I 



