
Appearance
Larvae of this species form white or greenish-white linear mines with black alternating lumps of frass on the upper surface of leaves. The species is univoltine, with larvae found as early as late March and as late as early June.Distribution
The species is native to Europe, being found as far north as Norway and as far east as the Volga District of Russia. It is also found in the United States and southern Canada.References:
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