TABANUS. 39 



abdomine cceruleo-fusco maculis trigonis canis trivittato, tibiis fulvis 

 apice nigris. Long. 4-5 ; alar. 8-10 lin. 



Greyish-black, hoary beneath. Head covered above with fawn- 

 coloured down, whitish, and clothed with white hairs in front and 

 beneath. Eyes bronzed, blackish-bronze in front. Antenna rather 

 deep red,, with black tips. Thorax with five indistinct hoary stripes ; 

 underside hoary. Wings pale grey ; stigmata dark brown. Alulas grey, 

 with tawny borders. Halteres brown, with pale tips. Abdomen dark 

 brown, slightly tinged with blue, with three stripes of nearly triangular 

 hoary spots, tawny on each side and along the hind borders of the 

 segments beneath. Tibias tawny, with black tips. 



Rare. In the collection of the Entomological Club. 



8. tropicus, L. s. n. ii. 1001 (1763); Dg. ; Pb.; Shr. ; Gm. ; 

 LI. ; Pz. ! fn. xiii. 22 ; Fin. ; Mg. ; Mq. ; Ztt. Niger, capite flavo- 

 albo, antennis ferrugineis basi et apice obscurioribus, thorace cinereo- 

 subtrivittato, alls cinereis basi et ad costam fulvis, abdomine fulvo 

 maculis trigonis flavis univittato, tibiis fulvis. Long. 7-7-g-; alar. 

 14-15 lin. 



Black. Head yellowish- white, clothed in front with pale yellow 

 hairs. Eyes aBneous-green, with three purple bands. Antennae ferru- 

 ginous ; first, fourth, and following joints darker. Thorax with three 

 very indistinct grey stripes. Wings grey, tawny at the base, and thence 

 along three-fourths of the fore border. Halteres brown, tawny at the 

 base. Abdomen tawny, with a row of triangular yellow spots, which 

 are sometimes indistinct. Tibiae tawny. 



Generally distributed, but not common. (E. S. I.) 



9. luridus, Fin. d. s. tab. 5.4 (1817) ; Mg. ; Mq.; Ztt, Niger, 

 capite albido, antennis ferrugineis et apice nigris, thorace cinereo-sub- 

 trivittato, alis cinereis basi et ad costam subfuscis, abdomine maculis canis 

 univittato, lateribus anterioribus fulvis, tibiis fulvis apice obscurioribus. 

 Long. 6-7 ; alar. 12-14 lin. 



Black. Head whitish, clothed in front with pale yellow hairs. Eyes 

 aeneous-green, with three purple bands. Antennae black ; second and 

 third joints ferruginous. Thorax with three indistinct grey stripes. 

 Wings grey, brownish at the base, and thence along three-fourths of the 

 fore border. Halteres brown, tawny towards the base. Abdomen dark 

 tawny on each side, for about half the length from the base, and with a 

 row of triangular hoary spots on the disc. Tibice tawny, darker towards 

 the tips. 



Generally distributed. (E. S.) 



10. signatus, Wdm.; Mg. zw. 34. 4 (1820). Niger, capite cano, 

 antennarum articulo tertio fulvo, thorace vix vittato, alis cinereis basi 

 et ad costam fuscis, abdomine maculis trigonis canis univittato fasciisque 

 abbreviatis canis bivittato, tibiis fulvis apice nigris. Long. 7 ; alar. 

 14 lin. 



