. Diptera Brachycera. Brachycera. 404 CESTEID^. 311. Portschinskia przewalskyi, Ports. Microcephalus przexvahhyi, PortscLinskv, Horre Soc. Eiit. Ross, xxi, p. 9, pi. i, rig. 7 (1887). c5' $ • Head much narrower than thorax ; upper part of frons nearly linear; at point of nearest aoproach to the bare, chocolate- brown eyes it is about one-seventh the widtli of the head, thence widening gradually downwards; frons wholly dull black, with red-brown, rather fine and long pubescence towards sides; ocellar tubercle extending hindwards to extreme vertex, but the. Fig. SL—Portschinskia przeviuhJcyi, Po
. Diptera Brachycera. Brachycera. 404 CESTEID^. 311. Portschinskia przewalskyi, Ports. Microcephalus przexvahhyi, PortscLinskv, Horre Soc. Eiit. Ross, xxi, p. 9, pi. i, rig. 7 (1887). c5' $ • Head much narrower than thorax ; upper part of frons nearly linear; at point of nearest aoproach to the bare, chocolate- brown eyes it is about one-seventh the widtli of the head, thence widening gradually downwards; frons wholly dull black, with red-brown, rather fine and long pubescence towards sides; ocellar tubercle extending hindwards to extreme vertex, but the. 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. 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 original Brunetti, Enrico. London, Taylor and Francis; [etc. , etc. ]
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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1920
