Tibellus oblongus

Tibellus oblongus

Tibellus oblongus is a web spider from the family of running spiders ( Philodromidae ).

Features

Tibellus oblongus reaches a body length of 8 to 10 millimeters. The nature reminds due to the elongated abdomen and the conformal at rest close to the body legs to a very Streckerspinne, also the third pair of legs is strongly bent. Tibellus oblongus is to be distinguished from a Streckerspinne due to the somewhat scaly, clear coat. The basic color is light yellow brown in the female, is in the middle of the front and rear body each a dark brown longitudinal band, the sides of the abdomen are also blacked out, lie between the dark longitudinal stripes lighter, narrower strips and the rear of the abdomen two or more rarely four black dots. The male is drawn much darker and more defined. The basic color is the male more light gray with almost black longitudinal bands.

Occurrence

Tibellus oblongus occurs in Europe. It is to be found both in wet and dry locations. However, they always preferred well sunlit places, such as wet meadows, riverbanks or heaths, here particularly on sandy ground.

Endangering

The species is weitberbreitet, in suitable habitats often, and is classified as " safely " in Germany in the Red List.

Way of life

The spider is with the legs straight and the narrow body shape hard to find in the vegetation. However, it is in contrast to the similar built Strecker spiders ago no networks but overwhelmed prey, as with all spiders run, with quick access.

When mating, the male sits upon insertion of the tarsus almost perpendicular to the females. The front body of the male has this down. In high summer the females sitting protectively over her egg sac. This is on thin stalks narrow and elongated to planar substrate, however, disk-shaped. Over time, the color of the nesting female is grayer and less contrast, finally go the black dots lost.