Common Wave
Brown and white forehead tensioner ( Cabrera exanthemata )
The brown face and white tensioner ( Cabrera exanthemata ) is a butterfly (moth ) from the family of the tensioner ( Geometridae ).
- 3.1 Flight times and caterpillars
- 4.1 Notes and references
Features
The brown face and white tensioner reaches a wingspan of 30 to 35 millimeters. The moths have creamy white wings that are pollinated yellow gray. On the front wings extend three curved and serrated brown-yellow transverse lines; on the hind wings there are two. The face below the sensor is brownish ( hence the name ).
The caterpillars are either light green with a fine, powdery dusting, or less often brown in color with dark spots on the back.
Similar Species
- White forehead and white tensioner ( Cabrera pusaria ) (Linnaeus, 1758)
- Blueberry small tensioner ( Scopula ternata ) ( wardrobe, 1802)
Molding
- Cabrera exanthemata f arenosaria Haworth. With strong darker and wider cross- pollination lines.
- Cabrera exanthemata f approximaria Prout. Internal cross lines flow together almost.
Synonyms
- Deilinia exanthemata
- Cabrera suprapunctata Wehrli, 1925
Occurrence
The east-west distribution of the brown forehead and white tensioner is comparable to the similar nature Cabrera pusaria. The moths are found from the Iberian Peninsula through Europe to the Amur region. In the north of the area of distribution beyond the Arctic Circle goes beyond, while the kind in the south of Asia Minor and some adjacent eastern areas missing. In North America, the brown forehead and white tool is also to be found.
Way of life
The brown face and white tensioner is to be found in forest and meadow edges, in heaths, fens, gardens and parklands. The moths are nocturnal and are attracted by artificial light sources. One can find at altitudes 100-1800 meters ( Alps), the distribution area however, lies in the plane.
Among the food plants include the following:
- Willows (Salix spp.)
- White willow (Salix alba)
- Purple willow ( Salix purpurea)
- Basket willow ( Salix viminalis )
- Ear willow ( Salix aurita )
- Aspen (Populus tremula )
- Black poplar (Populus nigra)
- Alder ( Alnus spp.)
- Gray alder ( Alnus incana )
- Black alder ( Alnus glutinosa)
- Hazelnut (Corylus spp.)
- Birch (Betula spp.)
- Silver birch (Betula pendula)
The pupa overwinters.
Flight times and caterpillars
The brown face and white tensioner is a generation in which flies from early May to late August. The caterpillars are found from June to September. Under favorable climatic conditions, a second generation of August in Germany can be observed until October ( Upper Rhine, Neckar Tauberlandpark, Upper Swabia ).