Apamea rubrirena
Black and white Grasbüscheleule ( Apamea rubrirena )
The black and white Grasbüscheleule ( Apamea rubrirena ), also called Black Brown Hartgraseule, is a butterfly (moth ) from the family of cutworms ( Noctuidae ).
- 5.1 Notes and references
- 5.2 Literature
Features
Butterfly
The wingspan of the butterfly is 40 to 51 millimeters. In the black and white Grasbüscheleule is one in terms of color, wing shape and size extremely variable kind, the basic color of the forewings varies from pale orange to reddish-brown to black-brown. First and foremost, climatic or geological factors for the color configuration are responsible. Kidney and ring stain are large and often brightly colored clear yellow or reddish. Cross lines and wavy line are indistinct or brightened whitish. The hind wings are solid light gray-brown, with the veins stand out clearly.
Caterpillar
The caterpillars are translucent, of a dirty white color, have black point warts and a shimmering through dorsal vessel (heart tube arthropods ). Head and pronotum are black in color brown.
Distribution and habitat
The distribution of the species extends from northern and western Europe, and to the east by Russia and Asia to Japan and Korea. Further distribution areas are the Kuril Islands, the Aleutian Islands and Alaska. In the Alps, it rises to around 2300 meters altitude. The black and white Grasbüscheleule is found in deciduous, mixed and coniferous forests.
Way of life
The moths are active at night and in the evening visit occasionally different flowers, such as:
- Blackberries (Rubus )
- Cabbage thistle ( Cirsium oleraceum )
- Bladder campion ( Silene vulgaris) and
- Devil's Claw ( Phyteuöma ).
They appear at night with artificial light sources, rarely also on bait and fly from June to August in one generation, territory, also in September. The caterpillars live mainly from August, overwinter and pupate in May or June of the following year. You will stay in a burrow on the ground in the root collar area of tufts of grass and feed on the stems of various grasses, such as forest - fescue ( Festuca altissima) and forest - reed grass ( Calamagrostis arundinacea ).
Endangering
The black and white Grasbüscheleule is to be found only in some regions of Germany with varying frequency, however, is not classified on the red list of threatened species as endangered.