description Autumnal moth Overview
The autumnal moth is the Palearctic geometrid moth Epirrita autumnata, a species described by Moritz Balthasar Borkhausen in 1794. Its caterpillars feed mainly on birch and can become abundant enough to cause extensive defoliation during periodic outbreaks. Such outbreaks are particularly documented in northern Fennoscandia, including Lapland, where the species is a significant disturbance agent in birch woodland.
help Autumnal moth FAQ
What is the scientific name of the autumnal moth?
The autumnal moth is Epirrita autumnata. It is a Palearctic geometrid moth described by Moritz Balthasar Borkhausen in 1794.
What do autumnal moth caterpillars eat?
The caterpillars feed mainly on birch. During outbreaks, their numbers can become high enough to cause extensive birch defoliation.
Why can the autumnal moth damage forests?
Periodic population outbreaks can produce large numbers of caterpillars. Their feeding can strip birch foliage across wide areas, especially in affected Palearctic regions.
What family does the autumnal moth belong to?
The species is a geometrid moth, placing it in the family Geometridae. Its scientific name is Epirrita autumnata.
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