Acrobasis consociella

Alternative names
Broad-barred Knot-horn

Wingspan 19-22 mm. It is similar to other British Acrobasis species but can appear more greyish.

Identification difficulty

Well wooded areas containing Oak.

When to see it

The adults are on the wing during July and August, when they can be attracted to light.

Life History

Oak is the food plant, the larvae feeding gregariously in spun leaves.

UK Status

Locally distributed from southern England northwards into southern Scotland and west into Ireland. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as local.

VC55 Status

Uncommon in Leicestershire and Rutland, though possibly under recorded due to difficulty of identification. L&R Moth Group status = D (rare or rarely recorded)

62.038 BF1437

be our species champion

Leicestershire & Rutland Map


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

UK Map