Monochroa hornigi

Alternative names
Knotweed Neb

Wingspan 9 to 12 mm. A rather uniformly dark grey-brown species (though sometimes a lighter ochreous brown).

Identification difficulty

Damp bare ground and ditches.

When to see it

Single brooded, June to August.

Life History

Larval foodplants are Pale Persicaria (Persicaria lapathifolia) and possibly other Persicaria.

UK Status

This scarce and rather local species occurs mainly south of a line from Wiltshire to Bedfordshire with occasional records from elsewhere in England. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as Nationally Scarce A.

VC55 Status

Rare in Leicestershire and Rutland, the Sapcote record of 14th July 2015 is the first VC55 record for this species. L&R Moth Group status = D (rare or rarely recorded).

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map