40 TABANID^E. 



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

 seneous-green, with 3 purple bands. Third joint of the antenna tawny. 

 Thorax hardly striped. Wings grey, tinged with brown at the base 

 and thence along two-thirds of the fore border. Halteres brown, 

 tawny at the tips and towards the base. Hind borders of the abdo- 

 minal segments with a triangular hoary spot in the middle, and with a 

 short hoary band on each side. Tibia dark tawny, with black tips. 



Eare. (E.) 



11. austriacus, Fb. s. a. 96. 17 (1805). micans, Mg. ; Mq. 

 Niger, capite cano, thorace vix vittato, alis cinereis basi et ad costam 

 et ad venas disci nonnullas fuscis ; Mas. abdomine maculis canis urii vit- 

 tato ; Fcem. abdomine maculis canis trivittato, lateribus anterioribus 

 cano-maculatis. Long. 6-7; alar. 14-16 lin. 



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

 seneous-green, adorned with 3 purple bands. Thorax hardly striped. 

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

 fore border and along some of the veins in the disc. Halteres black. 

 Male. Abdomen with one row of hoary spots. Fore tarsi fringed with 

 long hairs. Fern. Abdomen with 3 rows of hoary spots, and with a larger 

 hoarv spot on each side near the base. 



Eare. (E.) 



12. cordiger, Wdn.; Mg. zw. ii. 47. 23 (1820). Nigro-fuscus, 

 capite flavo, antennis ferrugineis apice nigris, thorace cinereo-trivittato 

 ad alasfulvo, alis subcinereis basi et ad costam fulvis, abdomine maculis 

 trigonis cinereis trivittato, segmentis primo ad tertium fulvo-bivittatis, 

 pedibus nigris, tibiis anticis basi fulvis, tibiis posterioribus et tarsis 

 fulvis. Long. 6 ; alar. 12 lin. 



Dark brown, narrow. Head yellow, clothed in front with yellow 

 hairs. Eyes aeneous-green, with 3 purple bands. Antennae ferru- 

 ginous, black towards the tips. Thorax with 3 grey stripes, tawny 

 above the base of each wing. Wings pale grey, tawny at the base and 

 thence along two-thirds of the fore border. Halteres brown, yellow at 

 the tips and towards the base. Abdomen with a row of cinereous 

 triangular spots along the disc and with a tawny stripe along each 

 side of the first, second, and third segments. Legs black ; fore tibise 

 towards the base, posterior tibiae and tarsi, tawny. 



Eare. In the collection of the Entomological Club. (E.) 



13. rusticus, L. s. n. ii. 1000. 11 (1763); Fb. ; Fin.; Mg. ; 

 Mq. ; Ztt. Cinereus, capite cano, antennis fulvis basiflavis apice ferru- 

 gineis, alis sublimpidis, pedibus nigris, tibiis fulvis apice nigris ; Mas. 

 abdomine basi fulvo-bivittato ; Foem. abdomine maculis cinereis trivit- 

 tato. Long. 6 ; alar. 12 lin. 



Grey. Head hoary, clothed in front with pale yellow hairs. Eyes 

 yellowish-green. Antenna tawny, yellow at the base, ferruginous 

 towards the tips. Thorax not striped. Wings almost colourless. 



