49.255 Epinotia nisella (Brindled Poplar Tortrix)
ws: 12-17mm; Jul-Aug; grey/goat willow (Salix cinerea/caprea) aspen, black poplar (Populus nigra); common throughout GB.
Synonym: Evetria nisella (Pierce & Metcalfe)
Synonym: Evetria nisella (Pierce & Metcalfe)
Epinotia nisella §1 female, form nisella
ID: BTM suggests that the cinereous colouration found in all forms is characteristic of this species.
Polymorphic with several named forms which intergrade.
Form nisella: black,fulvous or ferruginous dorsal blotch from basal patch to pre-tornal area, variable in shape and definition.
Form pavonana: dorsal blotch extends into the basal patch and to the tornus
Form decorana: median fascia obsolete, whole median area overlaid with fulvous or ochreous-brown
Form cinereana: grey, without a solid dorsal blotch - identical in external appearance to E.cinereana (which see)
Male genitalia: Aedeagus with 40-50 cornuti (18-20 in E.cinereana)
Polymorphic with several named forms which intergrade.
Form nisella: black,fulvous or ferruginous dorsal blotch from basal patch to pre-tornal area, variable in shape and definition.
Form pavonana: dorsal blotch extends into the basal patch and to the tornus
Form decorana: median fascia obsolete, whole median area overlaid with fulvous or ochreous-brown
Form cinereana: grey, without a solid dorsal blotch - identical in external appearance to E.cinereana (which see)
Male genitalia: Aedeagus with 40-50 cornuti (18-20 in E.cinereana)
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§1 Ham Fen; Kent; 10/08/2010; female; fw 7.8mm; form nisella
§2 Ham Fen; Kent; 10/08/2010; male; fw 7.3mm; form decorana §3 Ham Fen; Kent; 10/08/2010; form nisella §4 Bowness-on-Solway, Cumbria; 13/09/2010; form nisella §5 Bowness-on-Solway, Cumbria; 13/09/2010; form nisella §6 Bowness-on-Solway, Cumbria; 13/09/2010; form decorana §7 Westcliff-on-sea, Essex; 10/08/2011; male; fw 6.9mm; form cinereana (removed and re-presented as Epinotea cinereana) §8 Foulness, Essex; 14/08/2011; male; fw 5.8mm; form nisella §9 Westcliff-on-sea, Essex; 31/08/201; form nisella (removed) §10 Strumpshaw Fen, Norfolk; 15/09/2013; female; fw 6.4mm; form nisella §11 Foulden Common, Norfolk; 14/08/2016; female; form nisella §12 Foulden Common, Norfolk; 14/08/2016; male; fw 5.9mm; form decorana All images © Chris Lewis |
§13 Dungeness, Kent; 25/07/2017; female; fw 7.8mm; form decorana
§14 Pound Wood, Essex; 27/08/2019; female; fw 7.4mm; form pavonana §15 Foulness, Essex; 14/08/2021; male; fw 7.7mm; form cinereana §16 Foulness, Essex; 14/08/2021; male; fw 5.7mm §17 Foulness, Essex; 14/08/2021; female; fw 7.0mm §18 Pound Wood, Essex; 25/08/2021; from nisella §19 Pound Wood, Essex; 09/09/2021; female; fw 7.5mm; form cinereana §20 Pound Wood, Essex; 09/09/2021; male; form nisella §21 St Marys, Isles of Scilly; 03/10/2021; female; fw 6.6mm; form cinereana §22 Callestick, Cornwall; male; fw 7.1mm; form cinereana; specimen provided by Tony Wilson §23 Foulness, Essex; 12/08/2023; male; form nisella |
Page published 11/01/2013 (§1-9) | §10 added 07/12/2013 | §11&12 added and §9 removed (worn specimen) 17/04/2017 |
§13 added 24/11/2017 | §7 removed and re-presented as Epinotia cinereana 30/12/2018 | §14 added 29/11/2019 | §15-18 added 14/12/2021 |
§19 added 24/12/2021 | §20 added 24/12/2021 | §21 added 06/12/2022 | §22 added 19/09/2023 | §23 added 21/12/2023
§13 added 24/11/2017 | §7 removed and re-presented as Epinotia cinereana 30/12/2018 | §14 added 29/11/2019 | §15-18 added 14/12/2021 |
§19 added 24/12/2021 | §20 added 24/12/2021 | §21 added 06/12/2022 | §22 added 19/09/2023 | §23 added 21/12/2023
