description Scalloped hazel moth Overview
The Scalloped Hazel (Odontopera bidentata) is a species of geometrid moth found across the Palearctic realm, including Europe and parts of Asia. It features pale brown, dark grey, or sometimes melanistic forewings with distinctive scalloped edges that aid in camouflage against tree bark. The larvae are polyphagous, feeding on a variety of deciduous trees and shrubs such as oak, birch, and hawthorn.
help Scalloped hazel moth FAQ
What is the scientific name of the Scalloped Hazel moth?
The Scalloped Hazel is Odontopera bidentata, a geometrid moth first described by Clerck in 1759. In Britain it is assigned the macro-moth code BF1920. [UKMoths species account](https://ukmoths.org.uk/species/odontopera-bidentata/)
What does a Scalloped Hazel moth look like?
Adults have a wingspan of about 32 to 40 millimeters and vary from pale brown to almost black. Darker forms can have less obvious markings, which helps explain why the species is easy to overlook. [UKMoths species account](https://ukmoths.org.uk/species/odontopera-bidentata/)
When can Scalloped Hazel moths be seen in Britain?
UKMoths describes one brood flying mainly in May and June, while regional records can extend from mid-April into late July. The species is moderately common across much of the British Isles. [UKMoths species account](https://ukmoths.org.uk/species/odontopera-bidentata/)
What do Scalloped Hazel caterpillars eat?
The larvae use a wide range of plants, including hazel, willow, oak, blackthorn, apple, birch, and pine. Their green larval form can resemble lichen, providing camouflage on vegetation. [Durham Moths species account](https://durhammoths.org/taxonomy/geometridae/odontopera-bidentata)
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