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70.295 (BF1970)

Grass Wave   

Perconia strigillaria
Adult: 2
Resident, scarce, local. Widespread over much of England and Wales. In Scotland only in the extreme south and west coast to Argyll. Has had a major long-term decreases in abundance and distribution.

Identification

Four prominent stripes across the forewing which has a straighter costa than Common Wave and Common White Wave, is larger than those two with the male having feathered antennae.

Recording method

Easily disturbed during the day from lowland heather habitats, comes to light.

Life cycle

One generation. Overwinters as a larva during August to late May.

Larval foodplants

Bell Heather, Broom, Heather and Petty Whin.

Habitat

Most Dumfries & Galloway records are from raised bogs, but also found on moorland, heathland and open woodland areas with adjacent heath.

History

First recorded for Dumfries and Galloway in 1862 for VC72 near Tinwald Downs, Dumfries by Lennon who stated that it ‘was not common’, in 1904 for VC74 at Corsemalzie by Gordon who had ‘beaten a single female from the heather on Low Moorand’ and in 1943 for VC73 at Kirkconnell by Duncan.

62 record(s) from 14 hectad(s) in D&G

VC74 VC73 VC72
Last recorded 2018 2022 2021

 UK Moths website - further information on species (with photos)

 East Scotland Butterfly Conservation website - national distribution maps and phenology

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