Cosmorhoe ocellata

Black Eye - binding tensioner ( Cosmorhoe ocellata )

The Black Eye - binding tensioner ( Cosmorhoe ocellata ), also called ocelli - blade tensioner, is a butterfly (moth ) from the family of the tensioner ( Geometridae ).

• 5.1 Notes and references
• 5.2 Literature

Features

Butterfly

The wingspan of the butterfly is 21 to 29 millimeters. The ground color of the forewings is creamy white to bright white. Root - and midfield are colored black brown to blue-black. The latter is crossed by two bright lines cross. In the center is a deep black, jagged center spot. In the light areas between root and midfield as well as in Saumfeld gray or black spots varying degrees can be seen. The hind wings are whitish and a small black center spot.

Egg

The egg has a sulfur- yellow color. The surface is covered with weak ribs.

Caterpillar

Adults caterpillars are brownish in color. On the back they show bright caret whose tips are directed backwards. They also have bright side stripes.

Doll

The doll is usually reddish brown and shiny. The cremaster is short flattened and provided with four long, curved outwards Enddornen. There are fine bristles on the sides and on the back.

Geographical distribution and occurrence

The Black Eye - binding tensioner is widespread in western and central Europe, including the British Isles. In the East he comes up to the Central Asian mountains, in the south before to Asia Minor and Kyrgyzstan. In the Alps, he is still to be found at an altitude of 1500 meters. The species colonized many different habitats, these include deciduous and mixed forests and heath, scrub and parkland.

Way of life

The nocturnal moths fly in a first generation from early May to early July, and regional basis in a second from mid-July to late September. At night they visit artificial light sources. The caterpillars feed on the leaves of various Labkrautarten ( Galium ). They overwinter in a solid housing on the earth's surface and pupate in the spring.

Endangering

The Black Eye - binding clamper is in all German federal states and is not endangered as.

Swell