Photo © Dave Green

Yellow Horned

Achlya flavicornis

Checklist Number
65.016 [B&F: 1659]

Verification
Record will be accepted (subject to date and location checks)

Classification

Family:Drepanidae
Subfamily:Thyatirinae
Genus:Achlya
Species:flavicornis
Authority:(Linnaeus, 1758)

Common in woodland, and on heathland and moorland throughout England and Wales. In Hampshire and on the Isle of Wight common in birch areas, especially on the heathland of the New Forest and in the north-east, but in many areas it has suffered from loss of habitat to housing development. Wingspan 39-44 mm. Characterised by orange coloration of antennae. Larva feeds on Downy and Silver Birch, over-wintering as a pupa.

The abundance in each month is indicated as follows:

No records
Very occasional
Irregular
Uncommon
Off-peak, but not unusual
Off-peak, but not unusual
Main flight time
J F M A M J J A S O N D
Adult
Larval

Records by week (adult)

Records by week (larval)