32.002 BF667  –  Depressariidae –  Depressariinae – Semioscopis steinkellneriana – Black-marked Diviner – ([Denis & Schiffermüller], 1775) Adult Micro:  CAT 2 – Can be confused with other species –       PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Black – Uncertain/Unknown – Insufficient Data   
Taxonomy:   Micro   >>  Depressariidae  >> Depressariinae
** This moth species page is currently incomplete **
Other Name/s: Dawn Flat-body
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Semioscopis avellanella – (Early Diviner)
Distribution:  (Last record: 24 April 2007 at Calke Park )  –  Uncertain – insufficient data – 1985 – Poker’s Lees, nr. Melbourne 12/4/2004 ; Calke Park 2007
General Comment: None
Flight Period: April /  May Moth Activity: Cathemeral   – and is attracted to light Photographed: No –  Photographed By: Not Recorded
*** Last updated on 2 October 2025 by RP ***
Wingspan: 18-23mm
Food Plant: Blackthorn & Hawthorn
Last Recorded Year: 2007
Last Recorded By – iRecord
Last Recorded General Area – Calke Park

Selected Images:  



Distribution Map for Semioscopis steinkellneriana

Found 6 records
    ↳ from 2026+
    ↳ from 2020 - 2025
    ↳ 6 from Before 2020
Flying
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
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 – Semioscopis steinkellneriana

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

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


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

Shading shows moth presence between dates

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Recordings By Year: Semioscopis steinkellneriana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Semioscopis steinkellneriana
AGR: 25.99%   |   Total % Change: 300%

Hectad (10kmx10km) Coverage: Semioscopis steinkellneriana
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Semioscopis steinkellneriana
( 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 2020-2026.

Records Behind the Map and Charts - Semioscopis steinkellneriana – 6 records available

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

Site NameTetradDateCountStageSource
Foremark Resr, TicknallSK32H18/04/20104Adultvc57_danes_bc_data
Calke Park Ridge from Fisherman's Car ParkSK32R24/04/20071adultvc57_irecords_extract
Calke Park,TicknallSK32R24/04/20071Adultvc57_danes_bc_data
Pokers LeasSK32L12/04/20041Adultvc57_irecords_extract
Calke Park (Poker's Leys), TicknallSK32L12/04/20041Adultvc57_danes_bc_data
Ticknall Limeyards,TicknallSK32R13/04/19972Adultvc57_danes_bc_data

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