66.005 BF1633  –  Lasiocampidae –  Lasiocampinae – Eriogaster lanestris – Small Eggar – (Linnaeus, 1758) Adult Macro:  CAT 1 – Distinctive species unlikely to be confused with others –       PDF Icon – click for Adult Macro Verification Guidelines

Black –  Extinct Species   
Taxonomy:   Macro   >>  Lasiocampidae  >> Lasiocampinae
** Photograph required **
ID Difficulty:  green  – easy to identify, generally distinctive and unlikely to be confused with other species.
Distribution:  (Last record: 1 March 1961 at Ilkeston )  –  A former resident now believed to be extinct in the county
Flight Period: January /  February /  –  January – March – one generation. Rarely seen other than in light traps. Moth Activity: Nocturnal   – and is attracted to light Photographed: No –  Photographed By: Not Recorded
*** Last updated on 2 October 2025 by RP ***
Wingspan: 30-40mm
Forewing: 15-21mm
Food Plant: Blackthorn and Hawthorns.
Last Recorded Year: 1961
Last Recorded By – Tom Druro
Last Recorded General Area – Ilkeston

Selected Images:  No images



 

Distribution Map for Eriogaster lanestris

No records found
Flying
Jan
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Dec

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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.


NBN Atlas UK Distribution for – Eriogaster lanestris

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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: Eriogaster lanestris
( data includes both Larvae and Adult Stages )
No data returned from the database.

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


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

Shading shows moth presence between dates

Click the colour discs below to Select/De-select as Required

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

Hectad (10kmx10km) Coverage: Eriogaster lanestris
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Eriogaster lanestris
( 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 - Eriogaster lanestris – 0 records available

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

No records found for Eriogaster lanestris.

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