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NEW AFRICAN TABANIDAE.— PART III. 



By Eknest E. Austen. 



{Published by permission of the Trustees of the British Museum.) 



The types of the eight new species described in the present instalment are in 

 the British Museum (Natural History). The following list shows at a glance 

 the countries in which these additions to our knowledge of the blood-sucking flies 

 of Africa have been obtained. 



PANGONIINAE. 



Genus Diatomineura (Subgenus Corizoneura), Rond. 



Diatomineura lineatithorax, sp. n. ... Northern Rhodesia. 



„ penetrabilis, sp. n. ... ,, „ 



„ hastata, sp. n. ... ... Portuguese East Africa. 



TABANINAE. 



Genus Haematopota, Mg. 



Haematopota grahami, sp. n. ... ... Ashanti ; Sierra Leone Protectorate. 



„ daveyi, sp. n. ... ... Nyasaland Protectorate. 



„ rubens, sp. n. ... ... Nyasaland Protectorate; Northern 



Rhodesia ; Southern Rhodesia. 

 „ beringeri, sp. n. ... ... Gold Coast (Northern Territories) ; 



Northern Nigeria. 

 „ crudelis, sp. n. ... ... German East Africa. 



PANGONIINAE. 

 Genus Diatomineura (Subgenus Corizoneura), Rond, 



Diatomineura lineatithorax, sp. n. 



Q.— Length (1 specimen) 16 mm.; width of head 4*75 mm.; width of front 

 at vertex 1 mm. ; distance from upper margin of occiput to anterior extremity of 

 face 4'2 mm. ; length of proboscis 11*5 mm. ; length of wing 16*25 mm. 



Front mouse-grey" pollinose, anteriorly with a shining dark brown, hastate mark 

 in middle line between and above bases of antennae, and with a patch of black hair 

 immediately above each antennigerous eminence ; dorsum of thorax resembling that 

 (>/'Pangonia rostrata, L., blackish slate-colour ed, greyish {brownish-grey or olivaceous- 

 grey) pollinose, with light grey markings ; tergites of first three {visible) abdominal 

 segments shining ochraceous, with an interrupted, and not sharply defined, dark, 

 median longitudinal stripe, second and third tergites also with an irregular clove- 

 brown spot or blotch at each lateral extremity ; tergites of fourth and following 

 abdominal segments clove-brown or greyish clove-brown, their lateral borders and 

 also posterior half of fourth tergite, except median third, ochraceous* 



* For names and illustrations of colours, see Ridgway, ' A Nomenclature of Colors for 

 Naturalists ' (Boston : Little, Brown & Company, 1886). 



