72.041 Lithosia quadra (Four-spotted Footman)
fw: m18-22mm f20-26mm; Jul-Sep; dog lichen (Peltigera spp) and other lichens and algae on trees and rocks; NS-A resident in SW.England and also occurs regularly and may be resident Hampshire, Dorset, Pembrokeshire - elsewhere it is a scarce migrant mainly to S.England.
Lithosia quadra (Four-spotted Footman) §1 male
ID: Larger than any other British footman. Male - forewing grey with a yellow base (concolorous with thorax) and a short blue-black basal streak on the costa. Female - yellow with two prominent grey spots, one on the costa at ~6/10, one near the dorsum at ~ 4/10.
DIssection
Male genitalia
Female genitalia
§1 Galmpton, Devon; 24/07/2010; male; fw 23.0mm
§2 Galmpton, Devon; 27/07/2010; female; fw 23.2mm
§3 St Marys, Isles of Scilly; 25/09/2011; male; fw 21.3mm
§4 St Marys, Isles of Scilly; 24/09/2012; female
§5 St Marys, Isles of Scilly; 29/09/2014; male; fw 21.6mm
§6 St Marys, Isles of Scilly; 12/10/2018; male; fw 17.3mm; to light
All images © Chris Lewis
§2 Galmpton, Devon; 27/07/2010; female; fw 23.2mm
§3 St Marys, Isles of Scilly; 25/09/2011; male; fw 21.3mm
§4 St Marys, Isles of Scilly; 24/09/2012; female
§5 St Marys, Isles of Scilly; 29/09/2014; male; fw 21.6mm
§6 St Marys, Isles of Scilly; 12/10/2018; male; fw 17.3mm; to light
All images © Chris Lewis
Page published 15/03/2015 (§1-5) | §6 added 19/11/2018
