012 Borkhausenia fuscescens

OECOPHORIDAE | Oecophorinae : Oecophorini

28.012 Borkhausenia fuscescens (Dingy Concealer)

ws: 7-12mm; Jul-Aug; dead leaves; common throughout GB

Borkhausenia fuscescens §1

Generic features: Head with appressed scales on vertex and frons, neck scales erect; Antenna shortly ciliate in male, simple in female; scape with pecten; Labial palp S2 thin, straight, with appressed scales; S3=S2, S3 straight or slightly recurved
Fw elongate, V7 to costa; HW elongate, V4&3 connate
ID: The rare Aplota palpella has similar forewing markings but is generally larger (ws12-14mm) and has porrect labial palps with S2 much thickened with brush-like scales largely obscuring S3.

Variation
Dissection
Male genitalia
Female genitalia

§1 Westcliff-on-sea, Essex; 02/07/2008; fw 5.2mm
§2 Westcliff-on-sea, Essex; 23/07/2008; fw 5.0mm
§3 Westcliff-on-sea, Essex; 14/07/2010; male
§4 Westcliff-on-sea, Essex; 25/07/2012; male
§5 Bampton Grange, Cumbria; 17/06/2017; male
§6 Orlestone Forest, Kent; 07/07/2019; male
§7 Pound Wood, Essex; 05/08/2020
§8 ??; 2020; male
§9 Stour Wood, Essex; 14/07/2021; male; fw 5.0mm
§10 Westcliff-on-sea, Essex; 12/07/2022; male
§11 Westcliff-on-sea, Essex; 25/06/2024; female
All images © Chris Lewis