Epione vespertaria

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Aspen Saumbandspanner ( Epione vespertaria ) (male )

The Aspens Saumbandspanner ( Epione vespertaria, Syn: Epione paralellaria ) is a butterfly of the family of the tensioner ( Geometridae ), which is common in almost all of Europe.

Features

The moths reach a wingspan of 25-30 millimeters. There is a large gender difference in terms of color. The males have a strong ocher color and have the front and rear wings, many small, red lines and a slightly thicker red bow line. This can also be present in females. A Purple Saumbinde goes from the front wings to the rear wing, this is somewhat broader than in the female in the male specimens. The basic color of the female is pale yellow and the Saumbinde is paler than that of males. The outer edge of the hind wings is usually irregular wavy in females.

The caterpillar is brown, light striped, with reddish diamond spots on the back and a yellowish stain on the sixth segment.

Way of life

The species is rare and loves wetlands such as marsh edges and wet forest edges. The moths are nocturnal and fly from early June to late August. They can be found in middle mountain areas from plains to. The caterpillars feed mainly on aspen (Populus tremula ), but also of willow ( Salix), birch (Betula ) and alder ( Alnus ).