Aplocera praeformata
Mountain heath - hypericum tensioner ( Aplocera praeformata )
The mountain heath - hypericum tensioner ( Aplocera praeformata ), also known as Big Hartheu gray clamps, is a butterfly (moth ) from the family of the tensioner ( Butterfly) ( Geometridae ).
Features
The moths of the mountain heath - hypericum tensioner reach a wingspan of about 34 to 44 millimeters. The forewings have a gray to blue-gray staining. In the root field in the middle and behind the center are of dark transverse lines formed bands. Towards the wing tip is a red-brown spot draws. The hind wings are without markings monochrome and gray-white. A similar type is the Great St. John's wort - tensioner ( Aplocera Plagiata ). Differences they are by the following characteristic features in praeformata:
- The bands in the front edge of the front wings are very dark
- Next to the middle binding is on the inside, towards the root of a red-brown stain
- The outer transverse fascia has three prongs at Plagiata there are only two.
Color variations of the mountain heath - hypericum release are expressed in the following forms:
- F conflua Hoffm. , ligaments before and behind the middle collide at the inner edge
- F rosacea jaw specimens with reddish cast forewings
- F suffusa Bergmann, specimens with darkened blackish forewings
The caterpillar is gray-brown and has a white side line and dark bottom edge.
Similar Species
- Big John's wort - tensioner ( Aplocera Plagiata ) (Linnaeus, 1758)
Synonyms
- Anaitis praeformata
Occurrence
The distribution area of the mountain heath - hypericum tensioner extends from the Iberian Peninsula and France, with more widespread gaps in Western Europe, through central Europe to Russia. The northernmost distribution areas are Southern Finland and the Baltic States. In Greece, the ssp flies. urbahni, Dufay, 1981. On the Mediterranean islands of the Art in the Alps is missing is the occurrence limit at 2000 meters altitude. The species is mainly found in the low mountain ranges, on warm, sunny slopes, mountain heath and woodland and meadow edges.
Way of life
The mountain Gentile St John's tensioner is univoltine, meaning it only one generation per year will be created. The moths fly from June to August. They are nocturnal, flying on artificial light sources, but can also sucking on various flowers such as Common Goldenrod (Solidago virgaureae ), Marsh knapweed (Centaurea scabiosa ) or dwarf elder ( Sambucus ebulus ) are observed. The caterpillars live in August, overwinter and pupate in June of the following year. The most important food plant is St. John's Wort (Hypericum perforatum ).
Endangering
Büttners Schrägflügeleule comes in Germany in almost all provinces in different frequency before, can be numerous and is classified on the Red List of Threatened Species as not seriously jeopardized on limited points.