. Bulletin of entomological research. Entomology. 312 EENEST E. AUSTEN. 14. Tabanus leleani, sp. n. (figs. 13,14.) (J P.—Length, £ (8 specimens) 12 to 14 mm., $ (17 specimens) 11 to 14*6 mm.; width, of head, <J 4*4 to 5*4 mm., $ 4'25 to 5*4 mm. ; width of front of $, at vertex 0*8 to 1 mm., across lower edge of frontal callus 0*5 to 0'75 mm.; length of wing, <J 8-75 to 10-8 mm., $ 8*75 to 11*6 mm. In general appearance looking like a greyish form of Tabanus cordiger, Mg., with which it closely agrees as regards pattern of abdominal markings, and dimensions and other details of $ front. E


. Bulletin of entomological research. Entomology. 312 EENEST E. AUSTEN. 14. Tabanus leleani, sp. n. (figs. 13,14.) (J P.—Length, £ (8 specimens) 12 to 14 mm., $ (17 specimens) 11 to 14*6 mm.; width, of head, <J 4*4 to 5*4 mm., $ 4'25 to 5*4 mm. ; width of front of $, at vertex 0*8 to 1 mm., across lower edge of frontal callus 0*5 to 0'75 mm.; length of wing, <J 8-75 to 10-8 mm., $ 8*75 to 11*6 mm. In general appearance looking like a greyish form of Tabanus cordiger, Mg., with which it closely agrees as regards pattern of abdominal markings, and dimensions and other details of $ front. Eyes under an ordinary hand-lens appearing bare in both sexes, in $ with a sharply contrasted area of greatly enlarged facets, and in both sexes with a single', horizontal, transverse band ; dorsum of thorax (in undamaged specimens) mouse grey, clothed with fine erect hair, interspersed with a coating of fine, appressed, short, silky hair, of an ochreous or somewhat paler colour ; dorsum of abdomen dark mouse grey or blackish mouse grey (when viewed at a low angle from behind suffused, like thorax, with pale neutral grey bloom), with, in middle line, a longitudinal series of pallid neutral grey triangles, and, on each side, midway between middle line and lateral margin, a series of oblique and roughly elliptical spots of same colour, sides of two or more of the proximal segments, from posterior angles of first (visible) to fourth inclusive, often more or less cinnamon ; wings hyaline, stigma scarcely distinguishable, anterior branch of third vein typically without Fig. 13. Tabanus leleani, Austen, . X 4. Head : face and jowls whitish pollinose and clothed with white^hair, occiput in both sexes, frontal triangle in <}, and front and subcallus in $ pale olive-grey pollinose ; frontal triangle in (J, immediately below level of enlarged facets of eyes, crossed by a somewhat deep, dusky, shimmering pollinose, horizontal band ; in both sexes a dark clove-brown horizon


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectentomology, bookyear1