ORIENTAL SPECIES OF TABANUS 



285 



Smaller species. Abdomen black with narrow white-haired 

 segmentations and smaller triangular spots. Palpi slender oxyceratus. 



(Himalayas ; China Hills ; Burma.) 



64. Abdomen reddish yellow, darker at apex, with narrower yellow- 



ish white segmentations, and median spots. Legs black, 



tibiae yellowish . . < . . . . . . . . orient is. 



(North India, Nepal, Bhutan.) 

 Abdomen similar, but the last four segments are black . fulvimedius. 



(Nepal and Chin Hills; Burma.) 



Smaller species. Abdomen similar to that of orientis 

 Legs wholly yellow . . . . . consanguineus. 



(Malabar, India.) 

 Group X. 



65. Black or brown species. Forehead narrower anteriorly, seven 



to ten times as long as it is broad. . . . . . . . . 66 



Large reddish yellow species from 20 to 24 mm. in length. 



Forehead six to ten times as long as it is broad ...... 72 



Dark reddish species from 18 to 22 mm. in length. Forehead 



seven to ten times as long as it is broad ....... 75 



Reddish or reddish yellow species from 16 to 19 mm. in length. 



Forehead six to ten times as long as it is broad . . . . . . 76 



Small species reddish, yellowish, brownish, or blackish, from 



12 to 16 mm. in length. Forehead five to ten times as long 



as it is broad ............ 79 



66. Thorax paler than abdomen with yellowish tomentum and 



pubescence ............. 67 



67. 



68. 



69. 



70. 



71. 



Thorax not paler than abdomen 



Dark brown or blackish species with yellowish brown thorax. 

 Legs black, tibiae white. Wings tinged yellowish brown . 



Reddish brown species with light yellow or greyish thorax. 

 Legs black, tibiae white, middle and posterior femora yel- 

 lowish. Wings brownish, clear at apex ..-. 



Wings yellowish brown, yellow on fore border. 

 Thorax with short red pubescence 



Black species. 



Wings brownish or black. Brown or Clack Species 

 First posterior cell of wing closed. Abdomen deep black. 



First posterior cell of Wing not closed . 

 Blue-black species. Thorax red at base, 

 brown. Posterior tibia red at base 



Antennae reddish 



. . . 68 



birmanicus. 



(Burma ; Malay.) 



flavothorax. 



(Malay.) 



tinctothorax. 



(Malay ) 

 69 

 nigrotectus. 



(Siam.) 

 70 



caerulescens. 



(Java.) 



Forehead almost parallel. Abdomen dull reddish brown with 

 greyish blue tomentum. Antennae reddish yellow, black 

 at ape x . Tibiae dul 1 red or blackish . Beard and palpi black . 



Forehead narrower, not parallel ..... 



Abdomen blackish. Antennae reddish yellow. Tibiae 



reddish. Beard white and black. Palpi yellowish . 



tenebrosus. 



(Canara, India; Celebes.) 

 71 

 dull 

 . parakinsis. 



(Malay.) 



