igii.] G, RiCARDO : Re.vision of the species of Ta])anus. 201 



Type the only specimen ^ a female, from Burma. 



In Brit. Mus. coll. are females from Ningpoh, India 

 (H. ]\I. Lefroy). In Kertesz coll. one from Lushai Hills, Burma ; 

 and another from Kuala Lumpur, Malay, London School Tropical 

 Medicine coll. 



A medium-sized dark brown species with lighter thorax, wings 

 tinged brown, legs black, with white tibiae and a narrow forehead. 

 Length of type 18 mm., others 16 — 19 mm. 



Face covered with bright yellowish brown tomentum and with 

 brownish 3'ellow hairs. Beard same colour as face. Antennae 

 bright reddish, darker at apex, first two joints with black hairs, the 

 third long and slender and narrow, with a small tooth at base. 

 Palpi yellow with black pubescence, stout ending in an obtuse 

 point. vSul. callus same colour as face. Forehead a little darker, 

 with black pubescence, about seven times as long as it is narrow, 

 and a third narrower anteriorly, the frontal callus long, narrow, not 

 reaching the eyes with a linear extension, red-brown in colour. 

 Thorax covered with nearl}' the same coloured tomentum as the 

 face but slighth^ darker, and with short appressed fulvous hairs and 

 pubescence, shoulders and sides with black hairs ; breast the same 

 colour, with black pubescence. 5cw^(?//'//;w same as thorax. Abdo- 

 men brown, 3'ellowish brown on the sides of the first two segments, 

 \\ith black pubescence and some yellow hairs, which appear chiefly 

 on the segmentations and as a median line which is, however, not 

 always to be discerned ; under side dark brown with black pubes- 

 cence. Legs blackish, the knees ^^ellowish brown, the fore tibiae to 

 their extreme apex, and the others wholly yellowish white, the fore 

 coxae covered with yellowish brown tomentum, the pubescence on 

 them, femora and tarsi black, on the tibiae white, some yellow hairs 

 on hind femora. Wings tinged yellowish brown, lighter on pos- 

 terior border. 



Tabanus flavothorax, 9 , n. sp. ' 



Type and another female from Perak, Federated ^lalay States 

 (Pratt), London School Tropical Medicine coll. In Brit. Mus. coll 

 one female from Singapore (Ridley); one from Johore (Flower); 

 one from Sungie Krudda, Sungie Siput, Perak (Pratt) : others 

 from Batu Tiga, Federated Malay States (Stanton coll.). 



A species nearly allied to Tabanus birmanicus. Bigot, but at 

 once distinguished from it by the 3'ellow middle and posterior 

 femora, rather narrower forehead, and by the darker brown wings, 

 with a distinctly marked clear apex ; in the Bigot species it becomes 

 merely paler on the posterior part of a])ex. Length 16 mm. 



The forehead is quite eight times as long as it is narrow, and 

 barely half as wide anteriorl}^, the frontal callus v-ery narrow, 

 reaching the eyes. Thorax more thickly covered with short yellow- 

 ish pubescence over the yellowish brown tomentum, so that the 

 dorsum appears yellower, the scutellum similar, no black pubescence 

 on the shoulders, hairs at sides vellowish. Ahdoiiicii reddish 1)rown 



