73.035 BF2290  –  Noctuidae –  Acronictinae – Simyra albovenosa – Reed Dagger – (Goeze, 1781) 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   >>  Noctuidae  >> Acronictinae
** Photograph required **
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Wainscots (Mythimna spp.)
Distribution:  (First record: 1956 )  –  (Last record: 1956 )  –  A rare vagrant with only 1 record from 1956
Flight Period: July /  August /  –  May then again in July – August Moth Activity: Nocturnal  Photographed: No –  Photographed By: Not Recorded
*** Last updated on 2 October 2025 by RP ***
Wingspan: 32-40mm
Forewing: 16-20mm
Food Plant: Common reed (Phragmites australis).
Last Recorded Year: 1956
First Recorded Year: 1956
Last Recorded By – Not Recorded
Last Recorded General Area – Not Recorded

Selected Images:  No images



Distribution Map for Simyra albovenosa

No records found
Flying
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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 – Simyra albovenosa

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

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


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

Shading shows moth presence between dates

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

Hectad (10kmx10km) Coverage: Simyra albovenosa
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Simyra albovenosa
( 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 - Simyra albovenosa – 0 records available

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

No records found for Simyra albovenosa.

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