Odezia atrata

Black tensioner ( Odezia atrata )

The Black tensioner ( Odezia atrata ) is a butterfly (moth ) from the family of the tensioner ( Geometridae ). In the Swabian speaking world he is known as Kaminfegerle.

4.1 subspecies
4.2 Synonyms

5.1 Notes and references

Features

The moths reach a wingspan of 23-27 millimeters and have drawing loose black front and rear wings. Only the fringes of the slats are at the wing tip (apex) white. The shape Odezia atrata f nigerrima has black Apexfransen.

Dissemination

The black clamp is widely used in Europe. Its range extends from the Iberian Peninsula over Western and Central Europe and the British Isles to Sakhalin and the Amur - Ussuri region. In the north, the range extends into the central Fennoscandia, in the south of the moths of Italy to the Balkans can be found. In Austria, the former often very vast mass of species is in many places become rare, many populations are extinct.

Imaginalhabitate are grave edges, wet meadows, wetlands, peat meadows and marshes, pond and lake areas, and forest and mountain meadows. In dry places and in the warm level, the species is rare or does not even appear.

Way of life

The eggs are left by the females fall into the vegetation. The eggs overwinter, from them hatch in the spring, the caterpillars, they live separately to wobble chervil ( Chaerophyllum temulum ), gold - Chervil ( Chaerophyllum aureum ), hairy chervil ( Chaerophyllum hirsutum ) and cow parsley ( Anthriscus sylvestris).

The pupal period is 12-32 days.

The moths are active during the day and can often be observed on flowers. They were nectar sucking on grass chickweed ( Stellaria graminea ), white clover ( Trifolium repens ), pyramids Dog Wurz ( Anacamptis pyramidalis ), ragwort ( Senecio jacobaea ), Leucanthemum vulgare (Leucanthemum vulgare), meadow knapweed ( Centaurea jacea ), broad-leaved marsh orchid ( Dactylorhiza majalis ), chives (Allium schoenoprasum), the ordinary privet ( Ligustrum vulgare), the ordinary foot trefoil ( Lotus corniculatus ), field Scabious ( Knautia arvensis), marsh thistle ( Cirsium palustre ), snakes knotweed ( Polygonum bistorta ) and chervil ( Anthriscus ) were observed.

The literature repeatedly reports of outbreaks.

Flight times and caterpillars

The Black tensioner flies in one generation from late May to late July. The moths are both night - and day-active and are occasionally observed at the light. The caterpillars can be encountered by May to June.