Grey Dagger - Acronicta psi

Description

The grey background is well-marked by black lines, one of which is 'dagger' shaped.

Similar Species

Grey and Dark Dagger can only be separated by genital determination. The caterpillars can however be told apart more easily.

Identification difficulty
Recording advice

Adults of Grey and Dark Dagger can only be separated by genital determination though caterpillars can however be told apart more easily. If you are recording an adult you must provide an explanation of how it was identified, otherwise record it as Grey/Dark Dagger agg.

Habitat

Most habitats, particularly woodland, hedgerows and gardens.

When to see it

Both are on the wing from June to early August.

Life History

Overwinters as a pupa in a silk cocoon under loose bark or in a crevice.

UK Status

Both species are widespread and quite common in Britain. In a recent survey to determine the status of all macro moths in Britain this species was classified as common.

VC55 Status

There are not too many Leicestershire and Rutland records, probably due to the difficulty of precise identification of the adult moths. L&R Moth Group status based on these records = C (very scarce resident or rare migrant, but genitalia examination needed for secure identification).

Reference
73.038 BF2284

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Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map