Eupithecia immundata 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

Geometer moth

The geometer moths or Geometridae are a family of the order Lepidoptera...

 family. It is known from the mountainous areas of Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

, as well as northern Europe.

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 17-20 mm. There is one generation per year with adults on wing in June.

The larvae feed on Actaea spicata

Actaea spicata

Actaea spicata is a species of flowering plant in the genus Actaea, native to Europe and Western Asia....

. Larvae can be found from the end of June to August. They live in the fruit of their host plant. It overwinters as a pupa.