BY FRANK H. TAYLOR. 525 



mid-ones, pubescence pale, first tarsi dark reddish-l)iown, the 

 rest black, pubescence black. 



Group viii Species with median or lateral spots, or both, on 



abdomen, not usually forming a continuous stripe. 



Tabanus rufoabdominalis, sp.n. 



Length, (J, 16: 9, 15: width of head, g, 6: 9, 5-5: length of 

 wing, (J9, 14-5 mm. 



A robust species, with black thorax and reddish abdomen, the 

 latter with an indistinct median stripe, both with the sides 

 clothed with orange pubescence Antennae and legs black. 



(J. Head : face dull yellow, densely clothed with black pubes- 

 cence: beard scanty, golden; antennae black, first and second 

 joints clothed with dense black hairs and grey tomentum, the 

 base of the third clothed with black pubescence, base broadly 

 angulated, with a small, blunt tooth at the apex; palpi reddish- 

 brown, with golden hairs beneath; second joint paler, ending in 

 a blunt point, densely clothed with long, black hairs beneath, 

 and a few golden ones at the base: eyes black, copper-coloured 

 when viewed in a slanting position facing the light, facets very 

 small; proboscis black, slightly longer than the palpi. 



Thorax deep chocolate-brown, almost black, clothed with 

 dense, moderately long, erect, black and scattered, appressed, 

 golden pubescence, with a dense, lateral border of orange pubes- 

 cence; shoulders reddish, with long, erect, black hairs; scutellum 

 similar to thorax in colour, clothed with erect, black pubescence; 

 pleura* clothed with yellowish-orange pubescence. 



Abdomen reddish-yellow, becoming darker toward the apex, 

 with a median black stripe, indistinct on the third and fourth 

 segments, prominent on the first and second, posten'or and 

 lateral borders of segments with orange-coloured pubescence, 

 except on the apical segment and genitalia, where it is black; 

 dorsal pubescence V>lack ; venter reddish-yellow, with dense, 

 orange, and scattered, black pubescence. 



Legs: coxae grey-black, clothed with grey tomentum, and scat- 

 tered, orange hairs; femora, tibiae, and tarsi black, with black 

 pubescence. 



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