Narrow-winged Pug Geometridae

Eupithecia nanata Prout, 1938

Description: Wingspan 17-20 mm. A variable species with rather pointed forewings ranging in colour from light to dark grey, traversed by darker crosslines. There is also a small white spot that borders the black discal mark. Hindwings paler with a small black discal spot.

Key Identification Features:

Sets:  male upperside

Flight Period: Beginning of May to early August. Skinner gives late April to June as the normal flight period in Britain.

Status: Common and widely distributed across southern counties but mainly confined to coastal localities in the north.

Ecology: A distinctive species associated with heaths, bogs, and moorland. Adults are attracted to light in small numbers and may occasionally be flushed from Heather by day. The larvae feed from July until September on Heather Calluna vulgaris. It overwinters as a pupa.

World Distribution: Eurasiatic; widespread across northern and central Europe to eastern Asia.

Bradley & Fletcher number: 1846 Agassiz number: 70.168

Additional information:

UK Moths account

Caterpillar: 

 Thompson, R. S. & Nelson, B., 2003 (Oct 2). [In] The Butterflies and Moths of Northern Ireland
http://www.ulstermuseum.org.uk/lepidoptera/species.asp?item=5934

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