70.295 BF1970  –  Geometridae –  Ennominae – Perconia strigillaria – Grass Wave – (Hübner, 1787) Adult Macro:  CAT 1 – Distinctive species unlikely to be confused with others –       PDF Icon – click for Adult Macro Verification Guidelines

Brown –  Significant Record / Very Rare / Vagrant    
Taxonomy:   Macro   >>  Geometridae  >> Ennominae
ID Difficulty:  green  – easy to identify, generally distinctive and unlikely to be confused with other species.
ID pointers: Heavily marked with diagonal dark cross-lines on forewing and horizontal cross-lines on upper hind wing, and fine speckling over a silver grey-brown ground colour. Rather pointed wing tips. Male has long and broad feathery antennae. Strength of markings can be very variable
Distribution:  (Last record: 16 June 2022 )  –  A new species for Derbyshire that is very locally distributed in Britain away from southern England. Maybe a new colonist from populations in Nottinghamshire and Lincolnshire. One trapped on 16 June 2022 from Newhall.
Flight Period: June /  July /  –  One brood that is on the wing June – July Moth Activity: Nocturnal  Crepuscular   – active from dusk into the night Photographed: Yes –  Photographed By: Keith Peach  © All Rights Reserved
*** Last updated on 21 July 2025 by WS ***
Wingspan: 36-41mm
Forewing: 15-20mm
Food Plant: Heather (Calluna) and Heath (Erica) as well as Broom (Cytisus scoparius) and Gorse (Ulex).
Last Recorded Year: 2022
Last Recorded By – Keith Peach
Last Recorded General Area – Not Recorded

(Hübner, 1787)


IMAGES BELOW:  Newhall, Derbyshire – trapped 16th June 2022 – Image by Keith Peach ©

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Distribution Map for Perconia strigillaria

Found 1 records
    ↳ 0 from After 2025
    ↳ 1 from 2020 - 2024
    ↳ 0 from Before 2020

If the Map Layers function fails, just refresh the page and it should be OK after. Use the +- zoom on the top left, or on a tablet, use two fingers to zoom. Remember, the last layer you ticked is the one which displays the popup information - they sit on top of each other - de-select then re-select, to see the popup values.

******* Choose ONLY one at a time, of either Monad, Tetrad or Hectad Distribution - each has it's own set of data. Also, the distribution maps cover ALL recorded data. *******

Bedrock Geology ** indirectly affects moth distribution by influencing the type of habitat and food plants available in an area. In turn, this may affect the types of moths that can thrive, or where they can most likely be found.

Land-cover * shows the variety of land-cover within the VC57 area, based on the CORINE (Coordination of Information on the Environment) forty-four thematic classes of land-cover. This will show, to a greater or lesser degree, the number and variety of moths found in different land-cover types. The UK continues to operate within the Copernicus programme, with the UK Centre for Ecology & Hydrology (UKCEH) providing Corine Land Cover (CLC) datasets for the UK and its territories.


NBN Atlas UK Distribution for – Perconia strigillaria

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Note – the NBN Atlas datasets are listed in the map below and vary in their currency (uptodateness) – however, the map does give a general indication of the moth's distribution across the UK.

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Monthly Records By Year: Perconia strigillaria
( data includes both Larvae and Adult Stages )

Monthly Counts By Year: Perconia strigillaria
( data is based on 'Adult' stage records only. )


First/Last Recorded Dates: Perconia strigillaria
Adult-only & Anything [Larvae, Pupae, Adult, Mines]

Shading shows moth presence between dates

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Recordings By Year: Perconia strigillaria
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Perconia strigillaria
AGR: 0%   |   Total % Change: 0%
Perconia strigillaria
Insufficient records/data for an AGR analysis
Years Analysed: 2000 – 2025
Perconia strigillaria
Insufficient records/data for a CUSUM analysis
Years Analysed: 2000 – 2025

Hectad (10kmx10km) Coverage: Perconia strigillaria
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Perconia strigillaria
( data includes Adult Stage only )

Flight Period chart – the grey hatched area above, which can cross one or more months, pictorially represents the best guess we have for this moth's flight periods [month/s]. The coloured lines represent the actual months seen in flight, from site observation records received between 2020-2025.

Records Behind the Map and Charts - Perconia strigillaria – 1 records available

Listed by Year - descending - scroll across to see all table columns

TaxonSite NameTetradYearDateCountStageSource
Perconia strigillariaNewhall, SwadlincoteSK22V202216/06/20221adultvc57_irecords_extract

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