Ectoedemia argyropeza
Ectoedemia argyropeza
Adult • ex. leafmine per D. Manning • © Ian Kimber

4.085 BF23

Ectoedemia argyropeza

(Zeller, 1839)

Wingspan c. 7mm.

Locally distributed throughout mainland Britain, though more plentiful in the south, E. argyropeza mines the leaves of aspen (Populus tremula), forming a triangular blotch extending from the midrib. When the leaves change colour in autumn, the mined area often remains a 'green island' even after the leaves have fallen.

There is a single generation, and the adults are on the wing in May and June. It is believed to be parthenogenetic over most of its UK range.

See also:
Leafmine (British Leaf Mining Fauna)
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