Furcula bicuspis, the alder kitten, is a moth of the family Notodontidae. The species was first described by Moritz Balthasar Borkhausen in 1790. It is found in most of the Palearctic realm.
| Alder kitten | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Superfamily: | Noctuoidea |
| Family: | Notodontidae |
| Genus: | Furcula |
| Species: | F. bicuspis |
| Binomial name | |
| Furcula bicuspis (Borkhausen, 1790) | |
The wingspan is 30–35 mm. The moths are on wing from May to July depending on the location.

The larvae feed on Betula species and Alnus glutinosa.
| Taxon identifiers |
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