Roger Gilbert's picture

Svensson's Copper Underwing (Amphipyra berbera)

Observed: 17th July 2011 By: Roger GilbertRoger Gilbert’s reputation in InvertebratesRoger Gilbert’s reputation in InvertebratesRoger Gilbert’s reputation in InvertebratesRoger Gilbert’s reputation in Invertebrates
IMG_6521
Description:
Identifications
Species interactions

No interactions present.

Comments

Mike Cook's picture

Palps

Does anyone know how reliable the labial palps (dark with pale tips in Svensson's) are thought to be, as a means of differentiating the pair? Last time I checked, they seemed to be regarded as evidence one way or the other, rather than being definitive in themselves.

RHoman's picture

Palps

Along with the notch for dealing with the "twin-spot carpet" pair, the palps on the 2 copper underwings are not now really considered to be a reliable ID feature. As suggested above the underwing pattern is the key pointer, although this can be (very) difficult to see. One character that has also been used is the relative size of the V's just down for the head. These might help to pick out a moth worthy of further consideration, but are probably not reliable enough to stand alone. If in doubt the old stand-by is "Copper Underwing agg.".

Robert Homan

Mike Cook's picture

Thanks Robert Mike

Thanks Robert

Mike

Roger Gilbert's picture

Hi Orphys ..

I did see the hind wing which was a copper/orange what should I look out for with the hind wings as we seem to find these this time of year in Dormouse Boxes when doing our monthly survey.

Howardian Local Nature Reserve
http://www.howardianlnr.org.uk

ophrys's picture

Hindwings

To quote from Waring and Townsend..."On Copper Underwing, the copper colour is limited to outer third, and ends abruptly at dark cross-band, and basal two thirds is largely straw-coloured, apart from grey-brown speckled streak along leading edge, making a sharply contrasting effect. On Svensson's, copper continues towards base in trailing half, and grey brown speckling is more extensive, so that basal third is either not, or only slightly, paler."

A small pic of each can be seen here....

http://www.norfolkmoths.org.uk/index.php?bf=22970&scale=2&list=az&show=com

Someone else might know of a better pair of comparison pics?

Ian
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