Main: (Gelechiidae / Gelechiinae)
35.114 [B&F: 0812] Scrobipalpa instabilella (Douglas, 1846)


Nationally scarce (Nb) on saltmarshes, mud-flats and estuaries along parts of the coast of England and Wales, uncommonly in Scotland and Ireland. In Hampshire widely distributed along the coast from Hurst Castle in the west to the eastern side of Hayling Island. Not recorded from the Isle of Wight since 1926. Wingspan 12-14 mm. S. instabilella can be confused with S. salinella, although they can be distinguished by small but constant differences in their genitalia; some examples of S. samadensis can also be similar, but S. instabilella generally has more heavily marked stigmata (MBGBI Vol 4 part 2). Larva mines leaves of Sea-purslane, Grass-leaved Orache, Sea Aster and Glasswort.

Flightime guide

Records Received By Year

% of total records
Max records: 4
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19

Percentage of Total Records

Total records
Max Percentage: 0.003449763
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19

Phenology - Adult Records

Max records: 9
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Phenology - Larval Records

Max records: 2
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Distribution Map

Historical distribution at tetrad resolution
Click for density map

Record Density

As above but the larger the symbol, the greater the number of records
Click for distribution map

Detail records

VC10 Isle of Wight
Yarmouth (SZ38)1850-IWNHSAdult
St Helens (SZ68)1884-Fletcher, WHBAdult
Yarmouth (SZ38)1926-Fassnidge, WAdult
Freshwater (SZ38)21-Jul-2018oneCooke, DAdult
Freshwater (SZ38)21-Jul-2018oneCooke, DAdult
VC11 South Hampshire
Hound Shore (SU40)02-Aug-197420Dickson, RJAdult
Needs Ore (SZ49)1982-Anon-
Bursledon (SU41)09-Apr-1982-Langmaid, JR; Sterling, MJLarval
Southsea (SZ69)09-Jul-1982oneLangmaid, JRAdult
Southsea (SZ69)29-Jul-1982oneLangmaid, JRAdult
North Solent NNR (SZ49)1983-Anon-
North Solent NNR (SZ49)10-Apr-1983-Langmaid, JR; Sterling, DHLarval
Southsea (SZ69)31-Jul-1983-Langmaid, JRAdult
Bursledon (SU40)04-May-1985-Langmaid, JR; Parsons, MSLarval
Southsea (SZ69)17-Aug-1987oneLangmaid, JRAdult
Hurst Castle (SZ38)10-Jun-1990-Langmaid, JR; Harper, MWAdult
Southsea (SZ69)21-Jul-1991oneDickson, RJAdult
Southsea (SZ69)21-Aug-1991oneLangmaid, JRAdult
Southsea (SZ69)26-Aug-1991twoLangmaid, JRAdult
Northney, Hayling (SU70)03-Apr-1995oneLangmaid, JRPupal
Gutner Point, Hayling (SU70)27-Apr-1996-Langmaid, JR; Parsons, MSLarval
Hamble Common (SU40)15-Jul-1996-Dickson, RJAdult
Northney, Hayling (SU70)24-Apr-1997oneLangmaid, JR; Thirlwell, IRLarval
Cadland (SZ49)12-Jul-1997-Langmaid, JR; Goater, BAdult
Cadland (SU40)12-Jul-1997-Langmaid, JR; Goater, BAdult
Great Salterns NR, Portsmouth (SU60)21-Jul-1997oneLangmaid, JR; Dickson, RJ; Thirlwell, IRAdult
Great Salterns NR, Portsmouth (SU60)21-Jul-1997oneDickson, RJAdult
Hilsea Lines, Portsmouth (SU60)06-Sep-1998oneLangmaid, JR; Jansen, MGMAdult
Hook Spit (SU40)30-Aug-2000oneDickson, RJAdult
Sinah Common, Hayling (SZ69)02-Apr-2001oneLangmaid, JR; Thirlwell, IRLarval
Hook Lake NR (SU40)13-Aug-2001twoDickson, RJAdult
Keyhaven Marshes (SZ39)17-Jul-2004oneGreen, DGAdult
Cams Hall (SU50)15-Jul-2005oneDickson, RJAdult
Southsea (SZ69)25-Jul-2005oneLangmaid, JRAdult
Southsea (SZ69)28-Jul-2005oneLangmaid, JRAdult
Stanpit (SZ19)09-Aug-2005twoDavey, P; Palmer, GAdult
Southsea (SZ69)08-Aug-2009oneLangmaid, JRAdult
Titchfield Haven (SU50)14-Aug-2009oneDickson, RJAdult
Southsea (SZ69)21-Jul-2011oneLangmaid, JRAdult
Southsea (SZ69)21-Aug-2011oneLangmaid, JRAdult
Hamble Estuary (SU40)16-May-2012oneLangmaid, JR; Dickson, RJPupal
Hamble (SU40)16-May-2012oneDickson, RJ-
Portsmouth (SU60)21-Aug-2015oneThirlwell, IRAdult
North Common, Hayling (SU70)10-Jul-2019-Langmaid, JR; Palmer, SM; Elliott, BAdult

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