ORIENTAL SPECIES OF TABANUS 



283 



46. 



47. 



48. 



49. 



50. 



51. 



Abdomen reddish brown, long, narrow, with median long 



triangular, distinct whitish spots, usually joining each other. 



Fore tibiae white on basal half with white pubescence. 



Wings long, faintly tinged yellowish brown. Forehead 



about a third narrower anteriorly < . . . . Indian us. 



(Canara, S-W. India ; Formosa.) 

 Abdomen blackish brown with almost hemispherical white 



medium spots. Fore tibiae blackish. Legs and palpi 



blackish. Wings clear, tinged brown. Forehead about a 



third narrower anteriorly ....... brunneus. 



(Java.) 

 Forehead eight times longer than it is broad, the frontal callus 



not reaching eyes ........... 47 



Forehead ten times as long as it is broad, the frontal callus 



reaching eyes ............ 48 



Abdomen dark reddish brown or reddish yellow, with indis- 

 tinct small greyish or yellow-haired median spots often 



absent. Thorax blackish with some yellowish grey tomen- 



tum. Fore tibiae pale on basal half. Wings slightly 



tinged with brown. Male with unequal facets on eyes 



(Malay 

 Smaller species. Abdomen reddish brown with distinct bright 



yellow haired median spots, and similar lateral spots on the 



second to fifth segments. Thorax blackish with greyish 



yellow tomentum ........ 



fumifcr. 



Sumatra ; Borneo.) 



Larger species. Abdomen broad, reddish brown with indis- 

 tinct median spots and some lighter segmentations. Thorax 

 reddish with some grey tomentum. Wings nearly clear. 

 Fore tibiae pale on basal two-thirds. Male with equal 

 facets to eyes ....... 



malayensis. 



(Malay.) 



factiosus. 



(Celebes; Philippines.) 



Abdomen reddish brown, median spots indistinct, small whitish. 

 Thorax reddish, thickly covered with ashy grey tomentum. 

 Wings clear .......... 



Abdomen and thorax reddish, shining, nearly devoid of pube- 

 scence. Wings clear. Palpi ending in an acute point 



Abdomen and thorax reddish, Wings tinged yellowish brown, 

 Palpi ending in an obtuse point ...... 



dissimilis. 



(Borneo.) 



ignobilis 



nexus 



Red-brown species with the large median white spots on third 

 and fourth segments of abdomen, and white spots on the 

 lateral borders of first four segments. Tibiae reddish 

 (Male) signifer. 



(Borneo.) 



(Borneo.) 



(China.) 



Brown species with the same median spots, but with lateral 



white spots on the first two segments only. Tibiae white . significant 



(India; Federated Malay States.) 

 Abdomen reddish, the apex dull black with large black median 



spots on the second and third segments ........ fuscomaculatus 



(Burma ; Sikhim.) 



