Arcyptera fusca
Large hump cricket ( Arcyptera fusca )
The Great hump cricket ( Arcyptera fusca ) is a short probe cricket from the family of grasshoppers ( Acrididae ).
Features
The animals are treated with 23 to 36 mm (males) and 29 and 40 millimeters (females ) length for Central European grasshoppers relatively large. They have a yellowish to olive-green color and wearing a yellow and black markings. Characteristic are the red bars ( tibiae ) of the hind legs. At the base they have a yellow and black colored directly on the knee as a colored ring. The front wings are striped yellow, the tips are just like the entire hind wings colored black brown. The forewings of the males so long that they folded protrude a little beyond the abdomen. The wings of females are shorter and the side keel of the pronotum is straighter than the male.
Occurrence
This Feldheuschreckenart lives in the subalpine mountain forests of the Alps and Pyrenees to an altitude of about 1,000 meters on dry, slightly overgrown meadows and heaths. Earlier they occurred in many parts of southern Germany, now they are known only from the Swabian Alb. That's why they are on the Red List of the FRG: listed as 1 ( threatened with extinction ).
Of life and song
The females can not fly, the males, however, are good flyers and produce in flight with a soft buzz. After landing is usually hear a loud " wheels " because they emphasize the bereaved legs briefly on the flanks. To this note is to woo females repeatedly generated in combination with a Schwirrlaut example, as " wheels tschschsch -Rae -Rae ".