Net tensioner

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Net tensioner
Eustroma reticulatum.jpg

Net tensioner ( Eustroma reticulata )

Systematics
Class : Insects (Insecta)
Order : Butterflies (Lepidoptera)
Family : Spanner (Geometridae)
Subfamily : Larentiinae
Genre : Eustroma
Type : Net tensioner
Scientific name
Eustroma reticulata
( Denis & Schiffermüller , 1775)

The network Spanner ( Eustroma reticulata ) as Weißgerippter Haarbusch tensioner or balsam network Spanner called, is a butterfly ( moth ) from the family of the tensioner (Geometridae). The name reticulata is derived from the Latin "reticulum" = network.

features

butterfly

The moths reach a wingspan of about 20 to 25 millimeters. The front wings are colored black-brown and show white veins. Together with the white cross lines, this creates a striking net pattern. In the apex there is a white dividing line that joins the also white wavy line. The post-fiscal region and a narrow transverse band near the center are mostly lightened gray. The hind wings shimmer gray and are provided with two light transverse lines. A small central spot can also be seen. This is orange in the males, blackish in the females.

Caterpillar

Adult caterpillars have a greenish, yellowish or brownish color, a reddish, interrupted topline as well as whitish secondary ridge lines and also colored side stripes. The stigmas are blackish.

Geographical distribution and occurrence

The distribution area of ​​the Netzspanner extends from southwest and western Europe through the temperate zone to East Asia. In the north it extends into central Fennoscandinavia , in the south over Italy to the Balkans . It is preferably found in damp forests, shady valleys, riverside areas and boggy clearings.

Way of life

The nocturnal moths fly from June to September. They also visit artificial light sources . Forage plant of the caterpillars is the great balsam ( Impatiens noli-tangere ), which is also known under the name "Don't touch me". They prefer to feed on the unripe fruits and live from August to September. The pupa hibernates.

Subspecies

The following subspecies are known:

Danger

The net tensioner occurs in different numbers in the German federal states and is included on the red list of endangered species on the warning list.

swell

Individual evidence

  1. ↑ a b Günter Ebert (Ed.): The butterflies of Baden-Württemberg . 1st edition. tape 8 . Moth VI. Spanner (Geometridae) 1st part. Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3497-7 .
  2. ↑ a b Manfred Koch , Wolfgang Heinicke, Bernd Müller: We determine butterflies. Volume 4: Spanner. 2nd, improved and enlarged edition. Neumann, Leipzig / Radebeul 1976, DNB 780451570 .
  3. ↑ Federal Agency for Nature Conservation (Ed.): Red List of Endangered Animals in Germany . Landwirtschaftsverlag, Münster 1998, ISBN 3-89624-110-9 .

literature

  • Günter Ebert (Ed.): The butterflies of Baden-Württemberg . 1st edition. tape 8 . Moth VI. Spanner (Geometridae) 1st part. Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3497-7 .

Web links

Commons : Netzspanner  - Collection of images, videos and audio files