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THE LAUXANIIDAE (DIPTERA) OF SOUTHERN QUEBEC AND ADJACENT REGIONS
Published online by Cambridge University Press: 31 May 2012
Extract
1. Wings with distinct infusations
Wings without infuscations
2. Apex of the second vein of the wing very little or not at all infuscated; the other infuscations mainly confined to the veins, faint on the membrane; head large; frons swollen, lemon yellow in fresh specimens; hairs and bristles on ventral part of head and thorax and on legs very fine, golden; abdomen short; (Figs. 37, 64) citreifrons Malloch ( ♂ ) Apex of second vein distinctly infuscated; other characters not as above
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- Copyright © Entomological Society of Canada 1938
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