255 Agriopis marginaria (Dotted Border)

70.255 Agriopis marginaria (Dotted Border)

fw: m-16-20mm f-brachypterous; (Dec-)Feb-Apr; various broadleaved trees and shrubs; common in England, Wales and lowland Scotland.

Agriopis marginaria (Dotted Border) §1 male

ID: Brownish with distinct terminal interneural dots. Erannis defoliaria (Mottled Umber) may show dots or dashes in the terminal cilia. Agriopis aurantiaria (Scarce Umber) may have indistinct terminal interneural dots, is more orange-golden and flies Oct-Dec. The melanic form fuscata may lack the terminal dots.

Variation
DIssection
Male genitalia
Female genitalia

Form marginaria
Form fuscata
Females

Form marginaria
Form fuscata
Female

§1 Foulness, Essex; 04/04/2010; male; form marginaria
§2 Foulness, Essex; 06/02/2011; male; form marginaria
§3 Belton Hills, Essex; 21/02/2012; male; form marginaria
§4 Belton Hills, Essex; 21/02/2012; male; form marginaria
§5 Hadleigh Country Park, Essex; 25/02/2012; male; form fuscata
§6 Hadleigh Country Park, Essex; 25/02/2012; male; form marginaria
§7 Bampton Grange, Cumbria; 27/02/2019; male; fw 16.3mm; form marginaria
§8 Pound Wood, Essex; 15/02/20; female; fw 5.2mm; found on oak trunk pre-dawn
§9 Pound Wood, Essex; 15/02/20; female; fw 5.0mm; found on oak trunk pre-dawn
§10 Bampton Grange, Cumbria; 18/03/2022; male; to light
§11 Pound Wood, Essex; 10/02/2023; male; fw 19.2mm
§12 Pound Wood, Essex; 10/02/2023; female
§13 ??; ??/??/2023; male; fw 19.5mm
All images © Chris Lewis