046 Bryotropha senectella

GELECHIIDAE | Anomologinae

35.046 Bryotropha senectella (Grizzled Moss-moth)

ws: 9.0-12.5mm; Jun-Sep; common throughout Britain

Bryotropha senectella §11 male

ID: Labial palp S2 with furrowed brush; ws 9-13mm; 1st discal stigma distal to plical stigma > B.umbrosella/affinis/similis/senectella/desertella
B.desertella (ws: 12-14mm) can be excluded on size.
Genital examination is needed to distinguish between the remaining possibilities
Male genitalia: Gnathos broad-based and tapering.
Female genitalia: Signum a flat plate with strong spines at corners; oval, length > width, length <2x width; margins broad

Variation
Dissection
Male genitalia
Female genitalia

§1 Westcliff-on-sea, Essex; 18/07/2010; male; fw: 5.2mm
§2 Foulness, Essex; 26/07/2014; male; fw: 5.9mm
§3 Winterton, Norfolk; 06/08/2015; male; fw 5.5mm
§4 Arne, Dorset; 07/07/2016; male; fw 5.5mm; to light
§5 Foulden Common, Norfolk; 14/08/2016; male; fw 5.2mm
§6 Dungeness, Kent; 25/07/2017; female; fw 4.9mm; to light
§7 Bampton Grange, Cumbria; 10/08/2017; male; fw 5.2mm; to light
§8 Bampton Grange, Cumbria; 09/07/2017; male; fw 5.4mm; to light
§9 Dungeness, Kent; 12/07/2018; male; fw 5.0mm
All images © Chris Lewis

§10 Pound Wood, Essex; 22/07/2020; male; fw 4.9mm
§11 Pound Wood, Essex; 22/07/2020; male; fw 5.2mm
§12 Foulness, Essex; 09/07/2022; male; fw 5.6mm
§13 Foulness, Essex; 07/07/2023; male; fw 5.3mm