Archive image from page 419 of Diptera Brachycera (1920) Diptera Brachycera dipterabrachycer02brun Year: 1920 Fig. SL—Portschinskia przeviuhJcyi, Ports., front view of head. shining brown ocelli are only moderately large, and placed well forward. Pace deeply wrinkled, black, receding gradually from base of antennae; the deeply siniken cheeks, which are sharply demarcated in almost keel-like fashion fi-om the face, reach downwards to a distance equal to more than the height of the eyes, and extend somewhat broadly hindwards ; space in the Fig. 85.—Portsckiiis/da przewalskj/t, Ports., anten
Archive image from page 419 of Diptera Brachycera (1920) Diptera Brachycera dipterabrachycer02brun Year: 1920 Fig. SL—Portschinskia przeviuhJcyi, Ports., front view of head. shining brown ocelli are only moderately large, and placed well forward. Pace deeply wrinkled, black, receding gradually from base of antennae; the deeply siniken cheeks, which are sharply demarcated in almost keel-like fashion fi-om the face, reach downwards to a distance equal to more than the height of the eyes, and extend somewhat broadly hindwards ; space in the Fig. 85.—Portsckiiis/da przewalskj/t, Ports., antennas: a, jirofile, inner side : b, half profile. median line just below antennas shining black, bare; two con- spicuous though narrow and approximate ridges run from below the antennae nearly to the mouth-opening, and are more or less reddish in colour; hinder part of clieeks with darker, red-brown, rather long and almost shaggy hair; there is a small, slightl} wrinkled, shining bare space above the antennae. The latter dull orange ; 1st joint wilh a few sliort black and yellowish bristles of
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