. Bulletin of entomological research. Entomology. m ERNEST E. AUSTEN. angle near base ; dorsum of abdomen with four longitudinal rows of oblique, elongate, mummy-brown markings, more distinct in § I wings hyaline, stigma brownish olive, elongate and distinct, anterior branch of third vein without an appendix. Head conspicuously enlarged in <J; face and jowls in both sexes whitish pollinose and clothed with whitish hair, a faint, not always distinguishable infuscation between base of each antenna and corresponding eye ; occiput pallid neutral grey pollinose, its upper margin fringed behind w


. Bulletin of entomological research. Entomology. m ERNEST E. AUSTEN. angle near base ; dorsum of abdomen with four longitudinal rows of oblique, elongate, mummy-brown markings, more distinct in § I wings hyaline, stigma brownish olive, elongate and distinct, anterior branch of third vein without an appendix. Head conspicuously enlarged in <J; face and jowls in both sexes whitish pollinose and clothed with whitish hair, a faint, not always distinguishable infuscation between base of each antenna and corresponding eye ; occiput pallid neutral grey pollinose, its upper margin fringed behind with erect, pale yellowish hair, very short in Q9 longer and somewhat curved forward in (J, frontal triangle in <J and front and sub-callus in J pale smoke grey or smoke grey pollinose, front in $ clothed with minute, appressed, pale ochreous hairs, and its ground-colour somewhat darker (mouse grey) in vertical region; shining transverse band on frontal triangle in <J nearly twice as deep as corresponding band on subcallus in $ and much darker (clove brown), its upper margin level with upper border of area of small facets forming rather less than lower third of eyes, and its lower. Fig. 9. Tabanus arenivagus, Austen, $. X 4. margin separated from base of antennae by a space equal to about half the depth of the band ; [corresponding band in $ brownish olive or isabella-coloured, and occupying rather more than upper half of subcallus ; front in 2 of medium width, distinctly narrower below, neither callus in contact with eyes, lower callus quadrate, shining, light sepia-coloured and situate well above inner angles of eyes, upper callus much larger and darker (seal brown or dark brown) than lower, not shining, quadrate, situate just below midway between vertex and lower callus, with which it is not connected, and generally with a more or less distinct longitudinal groove or depression in middle line ; area of enlarged facets in eye of <$ sharply defined, bluntly triangular


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectentomology, bookyear1