. Diptera Brachycera. Brachycera. 336 inari^iii; sides similarly coloured or dark grey: scutellum with a t'riuge oF long dark liairs. Abdomen black, scarcely pubescent ; venter a little pale. Legs bright light brownish yellow, a little inibesceiit ; coxje and basal half of femora black; tarsi-tips blackish. Underside of hind femora and outer side of posterior tibiae with a few long stiff liairs. Wings brownish, stigma darker brown ; halteres large, black. Length, 3 mm. Described from two S d" taken by Mr. E. E. Green at Pera- deniya, Ceylon, vi. 1910 {tgpe in Indian Museum), and


. Diptera Brachycera. Brachycera. 336 inari^iii; sides similarly coloured or dark grey: scutellum with a t'riuge oF long dark liairs. Abdomen black, scarcely pubescent ; venter a little pale. Legs bright light brownish yellow, a little inibesceiit ; coxje and basal half of femora black; tarsi-tips blackish. Underside of hind femora and outer side of posterior tibiae with a few long stiff liairs. Wings brownish, stigma darker brown ; halteres large, black. Length, 3 mm. Described from two S d" taken by Mr. E. E. Green at Pera- deniya, Ceylon, vi. 1910 {tgpe in Indian Museum), and v. 1911 (in Mr. Grreen's collection). Genus HYBOS, %. IL/bos. Meigen, Illig. Mag. ii, p. 269 (1803). Genotype, Musca grossipes, L. (Europe). Head small, subspherical ; eyes occupjing practically all the front side of tlie head, contiguous in both sexes from vertex to antennae, upper facets (c? $ ) larger than lower ones, demarcated by an impressed line ; three ocelli on the extremely small, promi- nent vertex.; epistome small, cheeks absent, the eyes extending downwards to oral opening. Proboscis not longer than height of. Fig. I&.—Hijhos apich, Brim. head, directed horizontally forwards ; palpi comparatively long, 1-jointed. Antennae adjacent at base, inserted (seen in profile) at middle of head, 3-jointed: 1st and 2nd joints short, 1st more or less cylindrical, 2nd subglobular, \Aith bristles ; 3rd oval, longer than 2nd, with long arista, which may be pubescent on ba^al portion. Thorax rectangular, strongly arched or humped ; dorsum with more or less distinct short stiff hairs arranged approximately in dorso-central and acrostichal rows ; two noto- pleural (plus sometimes a third weaker oue) and some postalar bristles ; metapleura bare. Scutellum with two stronger and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the


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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1920