Oligia fasciuncula
Moor Meadow Halmeulchen ( Oligia fasciuncula )
The bog meadows Halmeulchen ( Oligia fasciuncula ), also known as bog meadows Graseulchen or Yellowish Graseulchen, is a butterfly (moth ) from the family of cutworms ( Noctuidae ).
- 5.1 Notes and references
- 5.2 Literature
Features
Butterfly
With a wingspan of 22-26 millimeters moths the way one of the smaller cutworm species. The forewings have a mostly reddish staining. However, there are also copies with yellow or brownish tints. The flaws stand out only slightly brightened slightly from the ground. The midfield is always obscured, the wavy line indistinct. Moths from isolated areas of the Black Forest can be seen at the very high contrast, dark red-brown color and the inside white -scale, black horizontal lines. These animals were sometimes referred to as Oligia fasciuncula marmorata. The status of a subspecies is not warranted from today's perspective. The hind wings are gray-brown without markings.
Caterpillar, and chrysalis
Adults caterpillars are whitish to reddish. The back area shimmers darker and shows a yellowish dorsal line. They also have bright side stripes that are edged dark. The glossy, brown doll is characterized by two long, curved thorns and some bristles on the cremaster.
Similar Species
- The Striegel - Halmeulchen ( Oligia strigilis ) differs by darker coloration of the fore wings with a mostly whitish Saumfeld.
- When Colorful Halmeulchen ( Oligia versicolor), a white Saumfeld on the dark forewings is usually also visible.
- The bright reddish color elements absent in the Dark Halmeulchen ( Oligia latruncula ).
For avoidance of doubt in determining additional genitalmorphologische examination should be performed.
Geographical distribution and occurrence
The bog meadows Halmeulchen is spread from Spain to Russia through Europe. The species has spread east and north continuously since the 19th and 20th centuries. It inhabits prefers moist habitats. These include, for example, meadows, wetlands, marshes and swamp forest areas.
Way of life
The crepuscular and nocturnal moths fly during the months of June and July in one generation and visit artificial light sources as well as bait. The caterpillars can be found in August and after overwintering in the following year to May. They feed on Schmielenarten ( Deschampsia ) and other grasses ( Poaceae ). Pupation takes place in a thin cocoon on the ground.
Endangering
In Germany the bog meadows Halmeulchen is widespread, often regional basis and is therefore managed on the Red List of Threatened Species as not at risk.