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Notes:
Common, in waste ground, downland and roadside verges, throughout much of south-eastern England, with records north to Yorkshire. Probably under-recorded in Hampshire, where the extent of known records correlate with those areas in which the recording effort is concentrated. Wingspan 7-8mm. Imago seldom encountered at light, and more likely to be recorded in the larval stage, when mines are relatively easy to find where they are present. Larva mines leaves of Mugwort, over-wintering as a pupa in a cocoon.
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