National Barkfly Recording Scheme

National Barkfly Recording Scheme (Britain and Ireland)

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Blaste quadrimaculata	<<Back Species account
	A medium sized (c.3-4mm) barkfly. Uncommon in Britain and Ireland.
	Female Distinguished from other species in the group by the prominent dark patch across the areola postica cell.
	Female The side lobes of the subgenital plate form a prominent thin ‘V’ shape. Compare with similar species
No photo of male forewing	Male The dark patch across the areola postica cell is much less prominent than in the case of the female. In some specimens it is completely absent.
	Male The apex of the hypandrium has a distinct notch. Compare with similar species