Euclidia triquetra
Euclidia triquetra
Euclidia triquetra is a butterfly (moth ) from the family of cutworms ( Noctuidae ).
- 5.1 Notes and references
- 5.2 Literature
Features
Butterfly
The moths reach a wingspan of 24-30 millimeters. They have gray-brown forewings, on which close to the Basalfeld stands a tall, black-brown, wedge-shaped spot. Moreover, in the Postdiskalregion two dark drawing elements that are approximately have the shape of isosceles triangles to see. Near the wing tip on the leading edge of another dark brown spot is visible. The hind wings are yellowish and show Saumfeld a narrow dark tie.
Caterpillar
Adults caterpillars are pale reddish yellow colored and brown spotted. The back line is made up of brownish dots or the lines are white, the stigmas surrounded by yellow and black.
Similar Species
A slight resemblance to Brown Tageule ( Euclidia glyphica ), but in which the significant wedge patches are missing. With the slightly larger Euclidia munita the triangle spots are weaker and the basic color tends to be bright red-brown tints more.
Geographical distribution and habitat
The species occurs in Central and South-eastern Europe before, also in Kazakhstan, Asia Minor and eastern regions of Siberia to the Pacific Ocean. She lives mainly in hot, dry areas.
Way of life
Euclidia triquetra is diurnal and visited in the sunshine like petals. It forms two generations per year, the butterflies from mid-April to June and fly from late July to August. The caterpillars feed on various leguminous plants ( Fabaceae ), such as gum tragacanth ( Astragalus ) or Esparsettenarten ( Onobrychis ). Hibernation takes place in the pupal stage.
Endangering
In Germany the species is absent, so that a nomination on the red list of endangered species is eliminated. The only occurrence in the German-speaking countries by few dry areas in eastern Austria.