Hampes speedy runner
| Hampes speedy runner | ||||||||||||
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Trechus hampei | ||||||||||||
| Ganglbauer , 1891 |
Hampes quick runner ( Trechus hampei ) is a flightless beetle from the family of ground beetles (Carabidae).
description
Hampes nimble runner is a 3–3.5 mm large reddish-brown beetle with pitch-brown elytra, abdomen and head. The temples are about half the length of the longitudinal diameter of the eyes.
Its pronotum is weakly heart-shaped and usually a little lighter. It is beveled forward and moderately narrowed towards the base, with very obtuse, somewhat rounded rear angles. It has no or only a shallow, indefinite transverse furrow in front of the base. The basal pits are quite large.
The wing covers at the base are rounded, the side edge at the shoulders more curved. The three inner grooves are deep, the fourth and fifth are clearly recognizable, the outer grooves found in other fast-moving species are usually not present.
The elytra are pitch brown, the seam and the side edge reddish brown. They are rounded at the base, elongated oval, at most 1.4 times as long as they are wide and flattened on the top. With the naked eye they are finely grooved lengthways and clearly cross-meshed when magnified a hundred times. Your side is curved inward by at least 45 degrees. They usually have no, rarely a faint iridescent glow.
The tentacles, buttons and legs are yellow-red, the penultimate jaw button element is usually somewhat darkened. The antennae are fairly short, their second link as long as the fourth or slightly longer or about as long as the third. The rear rails are slightly and evenly widened towards the top. The front rails have a longitudinal groove on the outside. The first hind artery link is shorter than the three following together and is round, like the following ones.
Way of life
The way of life of Hampes nimble runner has hardly been studied. Adult beetles are seen between April and October, but most often in midsummer. Immature, incompletely cured individuals are found in the fall, suggesting that the larva develops in summer and then hibernates as a beetle.
habitat
Hampes nimble runner is moisture-loving ( hygrophilous ) and lives in sparsely overgrown high mountain habitats such as wind heaths, snow floors and debris heaps. Fine-crusty areas in high mountain lawns with upholstered sedge ( Carex company ) and white silver arum ( Dryas octopetala ) are preferred .
distribution
Hampes nimble runner is hardly capable of spreading due to the lack of wings and close habitat connection and is therefore a subendite . It occurs in alpine locations mostly above 1900 meters, only lives in exceptional cases in the subalpine region and is known from 1200 to 2250 meters above sea level. It is largely restricted to the Northern Alps and occurs almost everywhere from Schneeberg in Austria to Untersberg in the Berchtesgaden Alps, with the exception of the Eisenerzer Alps . In the central Alps of Austria, the species is distributed disjointly and is only known from individual peaks ( Hochlantsch ) of the Grazer Bergland and the Gurktal Alps . The occurrence on the Koralpe is questionable . Another occurrence is given for the Pohorje in Slovenia , but is just as questionable.
swell
- Thomas FRIEß, Werner HOLZINGER, Christian KOMPOSCH, Wolfgang PAILL: Animal endemics in the Gesäuse National Park. ÖKOTEAM - Institute for Faunistics & Animal Ecology. Graz, December 22nd, 2006 (PDF file; 1.3 MB)
- Trechus hampei In: Arved Lompe: The beetles of Europe. A determination work on the Internet. Established in September 2002
- Ludwig Ganglbauer: Fifteen new species of Trechus. 1891 Wiener Entomologische Zeitung 10 pp. 115-128 (PDF file; 1.15 MB)