. Bulletin of entomological research. Entomology. 320 ERNEST E. AUSTEN. angle about middle of upper margin, which is moderately excavated in front of the angle. Thorax: dorsum clothed with fine, erect, silky, pale yellowish hair, scattered among which is a certain number of fine black or blackish hairs, which â on scutellum are much more numerous and even appear to predominate, anterior border of dorsum with commencements of two light greyish olive, pollinose, longitudinal stripes ; swelling occupying depression at each end of transverse suture agreeing in coloration with remainder of dorsum a
. Bulletin of entomological research. Entomology. 320 ERNEST E. AUSTEN. angle about middle of upper margin, which is moderately excavated in front of the angle. Thorax: dorsum clothed with fine, erect, silky, pale yellowish hair, scattered among which is a certain number of fine black or blackish hairs, which â on scutellum are much more numerous and even appear to predominate, anterior border of dorsum with commencements of two light greyish olive, pollinose, longitudinal stripes ; swelling occupying depression at each end of transverse suture agreeing in coloration with remainder of dorsum and similarly clothed with hair, but without black hair; pleurae and pectus clothed with yellowish white or whitish hair, the tuft of long hair on hind margin of mesopleura conspicuously ochreous at base; pleurae neutral grey pollinose above, pectus and lower part of pleurae deep neutral grey. Abdomen : dorsum of first (visible) segment neutral grey pollinose (greyish olive pollinose on each side), clothed in centre and on each side with glistening yellowish white hair ; posterior transverse bands of appressed, glistening, silvery-white hair, on second to sixth segments inclusive, expanded in middle line so as to form anteriorly directed triangles ; silvery-white hair also extending. Fig. 18. Tabanus dalei, Austen, wing of <J. X 10. from front to hind margins on lateral borders of segments referred to; on third, fourth and fifth segments commencement of expansion of hind border on each side includes a certain amount of appressed, ghstening, ochreous hair; ground- colour of hind margins of first six tergites cinnamon-drab ; dorsum, except as already stated, clothed with short, appressed, black hair ; venter deep neutral grey pollinose (hind margins of segments as on dorsum), clothed with silvery white or appressed silvery white hair, which is more conspicuous on hind borders of segments, and in central area of anterior part of second, third and fourth segments is largely if n
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectentomology, bookyear1
