Pyropteron chrysidiformis

Red sorrel - Clearwing ( Pyropteron chrysidiformis ) in rest position

The Red Dock - Clearwing ( Pyropteron chrysidiformis ), sometimes referred to as Ampfersandrasen - Clearwing or gold wasp clearwings and also under the name Pyropteron known chrysidiforme, is a butterfly of the family of Clearwing ( Sesiidae ). The scientific name of the species derives from Chrysis = wasp.

• 5.1 Notes and references
• 5.2 Literature

Features

Butterfly

The moths reach a wingspan of 17-23 millimeters. Their forewings are bright red, red-orange or red-brown dusted and have only very small transparent window. The leading edge and the narrow Saumbinde are black brown, the strongly rounded apex. In the middle of an elongated black Diskalfleck can be seen, which extends up to the front edge. The hind wings are transparent and show a narrow dark Saumbinde and a small black brown Diskalfleck. The fringes are brightened with all pairs of wings. The sensors have a black-blue color and are sometimes dusted yellowish subapical area. The thorax shining black green. On the segments four and six of the also black-green abdomen are thin yellowish or whitish rings. The second segment is almost always without struggling. The anal tuft formed strong fan-shaped, black on the edges and stained wide red in the middle.

Similar Species

The vermilion - dock Clearwing ( Pyropteron minianiformis ) is more delicate in overall appearance and has more pointed forewings.

Geographical distribution and occurrence

The Red Dock - clearwings is distributed locally in Central and Southern Europe. Main habitat of the species are green valleys, forest clearings, heaths, sandy slopes and ruderal areas.

Way of life

The diurnal moths fly in June and July, at higher altitudes until August. You like to visit the flowers of different plants, these include: thistles ( Cirsium ), rock cloves ( Petrorhagia ), fine beam ( Erigeron annuus ) and clover (Trifolium ). Male moths fly also Pheromomfallen. The maggot-like caterpillars live one-to two -year in the stems and roots of various Ampferarten ( Rumex ). If a food plant is infested with several beads, it can wither and go. The caterpillars overwinter in the roots or stems and pupate there in the spring.

Endangering

In Germany the Red sorrel - clearwings comes in the southern and western states before locally and usually rare, but is classified on the Red List of Threatened Species as not at risk. In Baden- Württemberg, however, it is performed on the early warning list.

Swell