Dusky Thorn
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Ennomos fuscantaria
Common in England & Wales, but scarcer further north.
Mainly nocturnal.
The Caterpillars feed on Ash (Fraxinus excelsior), but also Privet (Ligustrum species) and other shrubs.
The ground colour is ochre yellow.
There are violet-grey flecks on the forewing and an oblong discal spot.
The fasciae (bands) are grey brown.
On the hindwing the grey brown transverse line hides a small discal spot.
Other Ennomos species are similar.
The Moth is on wing from July to October.