73.263 Lacanobia (Lacanobia) w-latinum (Light Brocade)
fw: 18-21mm (Waring & Townsend), ws: 37-42mm (MBGBI9); May-Jul; various woody and herbaceous plants; local throughout GB, but most frequent in S.England and E.Anglia.
ID: See Lacanobia
Pale subterminal line with a 'W' in the dorsal half; black median streak at the forewing base; pale patch (pale shoulder) between the costa and black basal streak; fairly large pale oval and kidney marks; pale subterminal fascia contrasting with a brown median fascia which is delimited by a black paradorsal bar, dorsal to which the pale grey ground colour reaches the dorsum.
Apamea remissa (Dusky Brocade) also has a pale subterminal line with a 'W' mark, a black basal streak, often has a black median paradorsal bar and may have a suggestion of a pale subterminal fascia and so could be confused with L.w-latinum - but it does not have a 'pale shoulder' and the area dorsal to the paradorsal bar, when present, is the same colour as the rest of the median fascia.
Pale subterminal line with a 'W' in the dorsal half; black median streak at the forewing base; pale patch (pale shoulder) between the costa and black basal streak; fairly large pale oval and kidney marks; pale subterminal fascia contrasting with a brown median fascia which is delimited by a black paradorsal bar, dorsal to which the pale grey ground colour reaches the dorsum.
Apamea remissa (Dusky Brocade) also has a pale subterminal line with a 'W' mark, a black basal streak, often has a black median paradorsal bar and may have a suggestion of a pale subterminal fascia and so could be confused with L.w-latinum - but it does not have a 'pale shoulder' and the area dorsal to the paradorsal bar, when present, is the same colour as the rest of the median fascia.
Dissection
Male genitalia
Female genitalia
§1 Foulness, Essex; 21/05/2011; male; fw 20.1mm
§2 New Forest, Hampshire; 01/06/2012; male; fw 18.5mm
§3 Isle of Wight; 01/06/2014; male; fw 17.7mm
§4 Foulness, Essex; 04/06/2016; male; fw 17.7mm
§5 Foulden Common, Norfolk; 06/06/2016; female; fw 18.6mm
§6 Cranwich Heath, Norfolk; 15/05/2017
All images © Chris Lewis
§2 New Forest, Hampshire; 01/06/2012; male; fw 18.5mm
§3 Isle of Wight; 01/06/2014; male; fw 17.7mm
§4 Foulness, Essex; 04/06/2016; male; fw 17.7mm
§5 Foulden Common, Norfolk; 06/06/2016; female; fw 18.6mm
§6 Cranwich Heath, Norfolk; 15/05/2017
All images © Chris Lewis
Page published 23/10/2015 (§1-3) | §4 added 08/05/2017 | §5 added 13/08/2017 | §6 added 03/04/2018