Main: (Argyresthiidae / Argyresthiinae)
20.024 [B&F: 0423] Argyresthia semitestacella (Curtis, 1833)


Local in deciduous woodland throughout the British Isles. Fairly widely distributed, but decidedly uncommon, in southern Hampshire, with the very few records in north Hampshire and Isle of Wight. Wingspan 11-14 mm. Usually recognisable by its large size and occurrence late in the year (MBGBI Vol 3), also the white dorsal streak is not interrupted mid-way, as is the case with A. albistria. Larva mines shoots of Beech.

Flightime guide

Records Received By Year

% of total records
Max records: 3
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: 0.0035613172
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: 7
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

VC8 Wiltshire (Hants county)
West Park (SU11)30-Sep-2002oneGreen, DGAdult
VC10 Isle of Wight
Freshwater (SZ38)1926-Fassnidge, WAdult
Parkhurst Forest (SZ49)19-Sep-1977-Emmet, AM; Pelham-Clinton, EC; Bradley, JD; Uffen, RWJAdult
Brighstone Down (SZ48)22-Sep-1977-Emmet, AM; Pelham-Clinton, EC; Bradley, JD; Uffen, RWJAdult
VC11 South Hampshire
Denny Wood, NF (SU30)1923-CorderAdult
Whitley Wood, NF (SU20)1923-Digby, CAdult
Southampton (SU41)1950-Agassiz, DJLAdult
Brockenhurst (SU30)1950-Brown, SCSAdult
West Tisted (SU62)05-Sep-1966oneSadler, EAAdult
Catisfield (SU50)28-Aug-1971oneDickson, RJAdult
Hazel Holt (SU51)11-Aug-1974oneAppleton, DAdult
Sparsholt (SU43)1977oneSterling, DHAdult
Winchester (SU43)10-Aug-1979oneSterling, DHAdult
Churchplace Inclosure, Ashurst (SU30)02-Sep-1980oneSterling, DHAdult
Emery Down (SU20)06-Sep-1982-Langmaid, JR; Pelham-Clinton, EC; Emmet, AM; Bradley, JDAdult
Crab Wood, Sparsholt (SU42)26-Aug-1984-Langmaid, JR; Sterling, DH; Sterling, MJAdult
Sparsholt (SU43)26-Aug-1984-Sterling, DHAdult
Winchester (SU42)17-Sep-1984oneWCNHSAdult
Southsea (SZ69)13-Aug-1990oneLangmaid, JRAdult
Southsea (SZ69)10-Sep-1991twoLangmaid, JRAdult
Botley Wood (SU51)28-Aug-1999oneDickson, RJAdult
Ladycross Inclosure, New Forest (SU30)23-Sep-2000threeGreen, DGAdult
Chandlers Ford (SU42)25-Aug-2002-Elliott, BAdult
Hen Wood, East Meon (SU62)07-Oct-2004oneLangmaid, JR; Elliott, BAdult
Hen Wood, nr St Meon (SU62)15-Oct-2010oneDickson, RJAdult
Hen Wood (SU62)22-Oct-2010oneCoker, KAdult
Hen Wood, nr St Meon (SU62)21-Oct-2011twoOpie, MAdult
Pennington (SZ39)26-Aug-2013oneCoomber, RAdult
Hen Wood (SU62)27-Sep-2013threeDickson, RJAdult
Ravens Nest Inclosure, NF (SU21)11-Aug-2014threeBaker, MAdult
Winchester (SU42)09-Sep-2016oneWalker, THAdult
Winchester (SU42)11-Aug-2017oneWalker, THAdult
Winchester (SU42)20-Aug-2018oneWalker, THAdult
Pondhead Inclosure (SU30)06-Sep-2018oneCoomber, R et alAdult
VC12 North Hampshire
Itchen Abbas (SU53)1959-Ffennell, DWHAdult
Martyr Worthy (SU53)21-Sep-1968oneAgassiz, DJLAdult
Harewood Forest (SU34)11-Sep-1976fiveDickson, RJAdult
Harewood Forest (SU44)11-Sep-1976threeDickson, RJAdult
Wildhern (SU35)23-Sep-2000-Green, DGAdult
Cholderton Lodge (SU24)30-Aug-2013oneNorriss, TJ; Fomison, L; Edmunds, HAdult
Cholderton Lodge (SU24)30-Aug-2014oneNorriss, TJ; Fomison, L; Edmunds, HAdult

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