41.002 BF873  -  Blastobasidae - Blastobasis adustella - Common Masoner - (Walsingham, 1894) Adult Micro:  CAT 2 - Confusion Species -       PDF Icon - click for General Verification Guidelines  |   PDF Icon - click for Specific Verification Guidelines
Blue -  Generally Common / Widespread   
Taxonomy:   Micro  >> . >>  Blastobasidae
Other Name/s: Dingy Dowd, Blastobasis lignea
ID Difficulty:  amber  - care required in the identification process, as confusion with similar species is likely - quality photographs required.
ID pointers: Cream to buff elongated forewing. Often rolled up. Has a distinct X mark at about half way down the wing and a V mark at the basal area. Some ad-hoc flecking of darker spots. Variable with some dark forms
Distribution:  A moth that was introduced into Britain and is now well spread across the country. A common species that is widespread across most areas of the VC57 recording area.
Flight Period: July /  August /  September /  -  On the wing July – September Moth Activity: Nocturnal   - and is attracted to light Photographed: Yes -  Photographed By: Tony Davison  © All Rights Reserved
*** Last updated on 7 May 2025 by RP ***
Wingspan: 13-20mm
Food Plant: Decaying vegetable matter.
Recorded dates for Common [Blue codeBlue-coded ] moths are not stored on the website at this current time.

IMAGES BELOW:  Melbourne, Derbyshire – Tony Davison©

no images were found

Distribution Map for Blastobasis adustella

derbyshiremoths.org © makes no guarantee of accuracy of data used in these maps and charts – they are presented to you with best endeavours and the data behind them updated periodically as time permits. Historic records are being discovered all the time. These will be assessed, so once they are all verified, they will be incorporated onto the map and charts.

Found 1099 records
    ↳ 0 from After 2025
    ↳ 529 from 2020 - 2024
    ↳ 570 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.

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.


Monthly Records By Year: Blastobasis adustella

Monthly Counts By Year: Blastobasis adustella

Records Behind the Map and Charts - Blastobasis adustella – 1099 records available

Listed by Year - descending

TaxonSite NameTetradYearDateCount
Blastobasis adustellaHavercroft RoadSK38L202404/08/20241
Blastobasis adustellaupper cromford gardenSK25Y202415/08/20242
Blastobasis adustellaNorton Lees, Sheffield (VC57)SK38L202402/08/20241
Blastobasis adustellaFroggatt, Hope ValleySK27N202411/08/2024One
Blastobasis adustellaMidway, Derbys.SK32A202420/08/20241
Blastobasis adustellaGlapwell Garden TrapSK46T202413/09/20241
Blastobasis adustellaShirland - Hallfieldgate LaneSK35Z202430/07/20244
Blastobasis adustellaupper cromford gardenSK25Y202427/08/20242
Blastobasis adustellaGlossop, Hague Street, Hay meadowSK09G202412/08/20242
Blastobasis adustellaAllestree, DerbySK33P202423/07/20241
Blastobasis adustellaBelperSK34N202423/07/20242
Blastobasis adustellaMickleover gardenSK33C202429/07/20243
Blastobasis adustellaShirland - Hallfieldgate LaneSK35Z202416/08/20242
Blastobasis adustellaNorton Lees, Sheffield (VC57)SK38L202430/07/20242
Blastobasis adustellaWoodland AveSK43R202418/07/20244
Blastobasis adustellaDarley BridgeSK26Q202426/08/20241
Blastobasis adustellaupper cromford gardenSK25Y202426/07/20241
Blastobasis adustellaupper cromford gardenSK25Y202411/08/20243
Blastobasis adustellaInkersall gardenSK47G202401/09/20241
Blastobasis adustellaDerbyshire Wild Life Trust Long CloughSK09G202431/08/20243
Blastobasis adustellaHathersageSK28F202423/08/20241
Blastobasis adustellaAllestree, DerbySK33P202411/08/20241
Blastobasis adustellaMickleover gardenSK33C202401/08/20243
Blastobasis adustellaBuxton (w)SK07R202416/08/20241
Blastobasis adustellaNorton Lees, Sheffield (VC57)SK38L202418/07/20241
Blastobasis adustellaHigh Leas Farm, RiberSK35D202428/07/20246
Blastobasis adustellaBelperSK34N202429/07/20243
Blastobasis adustellaupper cromford gardenSK25Y202412/08/20244
Blastobasis adustellaBelperSK34N202401/09/20241
Blastobasis adustellaFindern, Derbyshire, DE65 6AZSK33A202412/07/20241
Blastobasis adustellaKing's NewtonSK32Y202402/09/20241
Blastobasis adustellaBelperSK34N202417/07/20241
Blastobasis adustellaDarley BridgeSK26Q202405/08/20241
Blastobasis adustellaDarley BridgeSK26Q202418/08/20241
Blastobasis adustellaNorton Lees, Sheffield (VC57)SK38L202425/07/20241
Blastobasis adustellaWoodland AveSK43R202409/08/20244
Blastobasis adustellaupper cromford gardenSK25Y202431/07/20245
Blastobasis adustellaLower Cromford GardenSK25Y202413/08/20241
Blastobasis adustellaBuxton (w)SK07R202403/09/20249
Blastobasis adustellaFindern, Derbyshire, DE65 6AZSK33A202405/08/20245
Blastobasis adustellaWaingroves WoodsSK44E202417/08/20248
Blastobasis adustellaForbes Hole LNRSK43W202419/07/20245
Blastobasis adustellaupper cromford gardenSK25Y202405/08/20245
Blastobasis adustellaMickleover gardenSK33C202409/08/20241
Blastobasis adustellaDarley BridgeSK26Q202409/09/20241
Blastobasis adustellaDarley BridgeSK26Q202431/07/20241
Blastobasis adustellaWirksworth MoorSK35B202407/08/20242
Blastobasis adustellaChaddesden, DerbySK33T202412/08/20241
Blastobasis adustellaIlkeston, DerbyshireSK44K202414/09/20241
Blastobasis adustellaFindern, Derbyshire, DE65 6AZSK33A202427/08/20243
Blastobasis adustellaCote Heath Allotments, BuxtonSK07R202403/08/20241
Blastobasis adustellaWoodland AveSK43R202423/08/20242
Blastobasis adustellaBelperSK34U202420/07/20241
Blastobasis adustellaBuxton (w)SK07R202406/08/20241
Blastobasis adustellaDarley BridgeSK26Q202423/08/20241
Blastobasis adustellaDarley BridgeSK26Q202414/08/20241
Blastobasis adustellaBuxton (w)SK07R202401/08/20241
Blastobasis adustellaBelperSK34N202414/08/20241
Blastobasis adustellaNorton Lees, Sheffield (VC57)SK38L202403/09/20241
Blastobasis adustellaGlossop, Gnat Hole Rough FieldsSK09L202401/09/20241
Blastobasis adustellaMidway, Derbys.SK32A202406/07/20242
Blastobasis adustellaCote Heath Allotments, BuxtonSK07R202431/08/20241
Blastobasis adustellaHigh Leas Farm, RiberSK35D202424/08/20241
Blastobasis adustellaMickleover gardenSK33C202419/07/20241
Blastobasis adustellaupper cromford gardenSK25Y202407/08/20242
Blastobasis adustellaupper cromford gardenSK25Y202425/08/20241
Blastobasis adustellaupper cromford gardenSK25Y202402/08/20243
Blastobasis adustellaBelperSK34N202414/08/20241
Blastobasis adustellaNorton Lees, Sheffield (VC57)SK38L202418/08/20241
Blastobasis adustellaGlossop, Gnat Hole Rough FieldsSK09L202406/09/20241
Blastobasis adustellaMidway, Derbys.SK32A202427/07/20242
Blastobasis adustellaGlapwell Garden TrapSK46T202411/08/20241
Blastobasis adustellaBelperSK34N202426/08/20241
Blastobasis adustellaTorside Reservoir northeast endSK09U202403/08/20241
Blastobasis adustellaBrockwell Chesterfield , Derbyshire.SK37Q202424/07/20241
Blastobasis adustellaBelperSK34U202409/08/20241
Blastobasis adustellaupper cromford gardenSK25Y202404/08/20241
Blastobasis adustellaBelperSK34N202410/08/20242
Blastobasis adustellaNorton Lees, Sheffield (VC57)SK38L202405/08/20244
Blastobasis adustellaupper cromford gardenSK25Y202407/10/20241
Blastobasis adustellaMidway, Derbys.SK32A202410/08/20243
Blastobasis adustellaGlapwell Garden TrapSK46T202401/09/20241
Blastobasis adustellaShirland - Hallfieldgate LaneSK35Z202419/07/20241
Blastobasis adustellaupper cromford gardenSK25Y202426/08/20241
Blastobasis adustellaLongdendale, Wildboar Clough WoodlandSK09U202411/08/20246
Blastobasis adustellaMickleover gardenSK33C202424/07/20242
Blastobasis adustellaMickleover gardenSK33C202426/07/20242
Blastobasis adustellaWingerworth, DerbyshireSK36Y202416/08/20241
Blastobasis adustellaNorton Lees, Sheffield (VC57)SK38L202429/07/20241
Blastobasis adustellaFroggatt, Hope ValleySK27N202407/09/2024One
Blastobasis adustellaMidway, Derbys.SK32A202426/08/20244
Blastobasis adustellaDarley BridgeSK26Q202403/09/20241
Blastobasis adustellaupper cromford gardenSK25Y202425/07/20241
Blastobasis adustellaMarkham Vale DerbyshireSK47K202409/08/20241
Blastobasis adustellaMelbourne, DerbyshireSK32X202427/08/20241
Blastobasis adustellaGlossop, The TwitchlingsSK09L202418/08/20241
Blastobasis adustellaAllSK33P202401/08/20243
Blastobasis adustellaMickleover gardenSK33C202431/07/20242
Blastobasis adustellaBuxton (p)SK07R202414/08/20241
Blastobasis adustellaNorton Lees, Sheffield (VC57)SK38L202431/07/20241

Sensible limit reached – too many records to list on the page

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