Hydrelia flammeolaria
Encyclopedia
The Small Yellow Wave is a moth
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 of the Geometridae family. It is found in most of the Palearctic ecozone.

The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...

 is 14-20 mm. There is one generation per year, with adults on wing from mid May to August.

The larvae feed on various deciduous trees, including Alnus (including Alnus glutinosa and Alnus incana) and Acer (including Acer campestris) species. Larvae can be found from July to September. It overwinters as a pupa.
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