. Fig. 18. Wing of P. zermattensis (^. dull, and second a little dullish. Abdomen very sparingly with short hairs, at the sides of first segment a small bunch of longer hairs. Hy- popygium small, black, a little pruinose and moderately shining; apical impression somewhat small, broad, transversely oval, the end claws brownish. Legs black with the knees yellowish, dull, hind femora shining on posterior and posteroventral side; the legs short- haired, femora nearly bare; only middle femora with two rows of small spinules below the apical part. Wings nearly clear, stigma pale brown, incomplete as


. Fig. 18. Wing of P. zermattensis (^. dull, and second a little dullish. Abdomen very sparingly with short hairs, at the sides of first segment a small bunch of longer hairs. Hy- popygium small, black, a little pruinose and moderately shining; apical impression somewhat small, broad, transversely oval, the end claws brownish. Legs black with the knees yellowish, dull, hind femora shining on posterior and posteroventral side; the legs short- haired, femora nearly bare; only middle femora with two rows of small spinules below the apical part. Wings nearly clear, stigma pale brown, incomplete as it does not reach the tip of the mediastinal vein, third costal segment slightly shorter than fourth, middle cross- vein at the first third of the discai cell. Halteres blackish. Female. Frons relatively broad, black and shining, grey above the antennæ, with a slight middle furrow ending in a low keel above the antennæ. Abdomen fully as shining as in the male and the grey side spots small and very inconspicuous. Hypopygium small, the basal part broad, broader than long, black and somewhat shining, without furrow, ovipositor short, somewhat thick at base. Third costal segment distinctly shorter than fourth. Length 2,5 to nearly 3 mm. P. zermattensis is rare in Denmark, I know only three specimens.


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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad