A univoltine but long lived species. Both sexes overwinter as adults, and are active on the wing in late March and early April.
Males have been found roosting communally in old bolt holes in upended railway sleepers.
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A univoltine but long lived species. Both sexes overwinter as adults, and are active on the wing in late March and early April.
Males have been found roosting communally in old bolt holes in upended railway sleepers.
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