description Oak eggar Overview
The oak eggar, Lasiocampa quercus, is a large moth in the family Lasiocampidae found across much of Europe and parts of Asia. Adults show marked sexual differences: males are generally darker and fly rapidly by day while searching for females, whereas the larger, paler females are less active. Its caterpillars feed on various woody and low-growing plants, and the English name refers to the cocoon's resemblance to an acorn rather than a dependence on oak.
help Oak eggar FAQ
Why is the oak eggar moth called an 'eggar'?
The term 'eggar' refers to the hard, egg-like cocoon spun by the caterpillars of this moth species. This naming convention applies to other members of the Lasiocampidae family, such as the lackey moth.
Does the oak eggar moth caterpillar actually feed on oak trees?
Despite its name, the oak eggar moth's caterpillars are not particularly tied to oak trees and rarely rely on them as a primary food source. They are highly adaptable and feed on a wide variety of shrubs and plants, including heather, bramble, and blackthorn.
Who first scientifically described the oak eggar moth?
The species, scientifically named *Lasiocampa quercus*, was first officially classified by the famous Swedish botanist Carl Linnaeus in 1758. It is a widespread species found across large parts of Europe and Asia.
How can you identify an oak eggar caterpillar in the wild?
The caterpillars are quite large and hairy, typically dark brown or black with bright orange or yellow stripes running down their sides. They are usually spotted basking in the sun on low vegetation in heathlands and moors.
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