Friday
Dec312010
Gall Fly
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A knapweed gall fly, Chaeotostomella cylindrica (Diptera: Tephritidae). I recognize this species by the yellow dog face on the top of its thorax and by the black-outlined translucent yellow bands on the wings.
Photos taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2010-07-06.
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