70.225 Pachycnemia hippocastanaria (Horse Chestnut)
fw: 14-16mm; bivoltine Apr-May, Jul-Aug; heather (Calluna vulgaris), cross-leaved heath (Erica tetralix); NS-B in lowland heath mainly in Dorset, Hampshire, Isle of White and Surrey.
Pachycnemia hippocastanaria (Horse Chestnut) §1 female
ID: On first exposure to this species the main difficulty is recognizing it as a macro-moth let alone a geometrid. However, a search for anything like it amongst the likely micro-moth families will be fruitless and once familiar with the species identification is straightforward.
Dissection
Male genitalia
Female genitalia
§1 New Forest, Hampshire; 03/09/2013; female
§2 Arne, Dorset; 03/07/2016; male; fw 13.5mm; to light
§3 Arne, Dorset; 05/07/2016; to light
§4 New Forest, Hamspshire; 14/08/2018; female; fw 12.3mm; to light
All images © Chris Lewis
§2 Arne, Dorset; 03/07/2016; male; fw 13.5mm; to light
§3 Arne, Dorset; 05/07/2016; to light
§4 New Forest, Hamspshire; 14/08/2018; female; fw 12.3mm; to light
All images © Chris Lewis
Page published 04/03/2014 (§1) | §2&3 added 17/11/2016 | §4 added 19/02/2019
