063 Scoparia basistrigalis

CRAMBIDAE | Scopariinae

63.063 Scoparia basistrigalis (Chequered Grey)

ws: 20-23mm (Goater), fw: 10-11mm (Sterling & Parsons); Jul; mosses?; common in deciduous woodland in England

Scoparia basistrigalis §3 female

ID: Similar to S.ambigualis, E.murana and E.truncicolella. Genital dissection is required to separate these species
Male genitalia: aedeagus with 2 bundles of about 5 medium to strong cornuti, arising from a linear plate at least as long as some medium cornuti.
Female genitalia: ductus bursae as broad as antrum; posterior sclerotisation with an hour-glass constriction, ductus bursae bulbed anterior to this; no posterior sclerotisation.
See Scopariinae ID for more information on identification of species from this subfamily.

Variation
Dissection
Male genitalia
Female genitalia

§1 Ham Fen, Kent; 16/07/2010; female
§2 Ham Fen, Kent; 16/07/2010; female; fw 11.8mm
§3 Strumpshaw Fen, Norfolk; 07/07/2013; female
§4 Orlestone Forest, Kent; 11/07/2018; female; fw 10.1mm
§5 New Forest, Hampshire; 25/07/2019; female
§6 Stour Wood, Essex; 08/07/2021; female; fw 10.6mm
§7 Covert Woods, Kent; 06/07/2022; female; fw 11.6mm
§8 Heydon chalk Pit, Cambridgeshire; 26/06/2024; male; fw 10.1mm
All images © Chris Lewis