Tuesday
May242011
Gall Flies
Tue 2011-05-24
A female gall fly, probably Tephritis neesii (Diptera: Tephritidae) on an ox-eye daisy (Leucanthemum vulgare). These flies lay their eggs in the ox-eye daisy flower heads and their larvae develop there. A few minutes later I came across another one one of this species on a separate stand of ox-eye daisies:
Photos taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2011-05-21.
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