73.253 Tholera decimalis (Feathered Gothic)
fw: 16-22mm (Waring & Townsend), ws: 38-48mm (MBGBI9); Aug-Sep; hard-bladed grasses eg mat-grass (Nardus stricta), sheep's-fescue (Festuca ovina); common in rough grassland in England and Wales, more local in Scotland.
Tholera decimalis (Feathered Gothic) §3 male
ID: Whitish streaks along forewing veins; black arrowheads between the veins on the proximal side of the narrow whitish subterminal line; costa straight (may be slightly curved in female); male antenna strongly bipectinate, simple in female. Sideridis reticulata (Bordered Gothic) and Naenia typica (Gothic) also show whitish veins and black arrowheads but fly May-Jul and Jun-Jul respectively, have a curved costa, additional pale antemedian and postmedian lines and the male has simple antennae.
§1 Foulness, Essex; 04/09/2011; female; fw 19.8mm
§2 Foulness, Essex; 04/09/2011; female; fw 21.3mm
§3 New Forest, Hampshire; 30/08/2013; male; fw 16.4mm
§4 Compton Bishop, Somerset; 25/08/2014; male
§5 Foulness, Essex; 08/09/2018; female; fw 20.7mm
§6 Corfe, Dorset; 05/09/2020; male; fw 17.5mm
§7 Corfe, Dorset; 05/09/2020; male; fw 16.5mm
All images © Chris Lewis
§2 Foulness, Essex; 04/09/2011; female; fw 21.3mm
§3 New Forest, Hampshire; 30/08/2013; male; fw 16.4mm
§4 Compton Bishop, Somerset; 25/08/2014; male
§5 Foulness, Essex; 08/09/2018; female; fw 20.7mm
§6 Corfe, Dorset; 05/09/2020; male; fw 17.5mm
§7 Corfe, Dorset; 05/09/2020; male; fw 16.5mm
All images © Chris Lewis
Page published 05/09/2016 (§1-4) | §5 added 19/02/2019 | §6&7 added 26/12/2020
