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Photo © Steve Woolnough,  24th July 2018 Mendlesham Green

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Blastobasis adustella
Dingy Dowd

Walsingham, 1894873 / 41.002
=Blastobasis lignea

Morley’s Final Catalogue: Not listed

Recent Status: Originally an adventive species in the UK in the early 1900s and has spread to become widespread and common in places. Common is Suffolk.

Life Style: A single brooded species found in late summer and early autumn, The larvae are polyphagous, primarily vegetarian. They may rest in a silken tube and pupate in a cocoon. The larvae hibernate.

Identification: There are two common species of Blastobasis recorded in Suffolk. B. adustella is darker and smaller than B. lacticolella. Both species at rest from above show a broad forward pointing ‘V’ mark at one third, dots or patch at two thirds and a sub-terminal fascia. There are other small Blastobasis species in the UK yet to be recorded in Suffolk. If any are suspected the identification must be by genitalia dissection.

Recorded in 42 (72%) of 58 10k Squares.
First Recorded in 1959.
Last Recorded in 2020.
Additional Stats

Mompha raschkiella  |  Blastobasis lacticolella >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
08/11/2020225TM46 - Minsmere/Leiston
19/10/2020125TM35 - Snape/Tunstall
18/10/2020125TM24 - Woodbridge/Martlesham
17/10/2020125TM25 - Wickham Market/Otley
16/10/2020+25TM34 - Hollesley/Rendlesham Forest
Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
Express Record Blastobasis adustella
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Copyright © Jim Wheeler 2021

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 13-19mm
Flight: July - September
Foodplant:   Vegetable matter
Nat Status: Common
Verification Grade:  Adult: 1
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2021. © James Wheeler - Norfolk Moths 2007 - 2021. Data © NOLA™ - Suffolk 2021
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