| National Barkfly Recording Scheme (Britain and Ireland) |
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Metylophorus nebulosus |
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Species account |
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A large, dark barkfly (6-7mm). Widespread throughout Britain. The forewings of males and females are different (see below). |
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The apical segment of the maxillary palp is long (c.5 times as long as wide). The similarly large sized species, Psococerastis gibbosa, has a much shorter apical segment (c.2.5 times as long as wide).
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Female
Forewing has an overall medium brown colour with colourless patches and darker brown areas as shown in the photograph. |
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Female
Subgenital plate has an exceptionally long apical lobe. |
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Male
Unlike the female, the male forewing is almost uniformly medium brown. |
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Male
Hypandrium (at apex of abdomen) with crescent-shaped projection on the left-hand-side (best seen in side view). |
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