Tetrix tenuicornis - Long-horned Groundhopper
(Sahlberg, 1893)

Description: Body is robust (♂ 8-11 mm, ♀ 9-14 mm), the pronotum is roofshaped and long (reaches the end of the abdomen). The frontal margin of the pronotum is straight, not protruding. The hind wing is shorter than the pronotum. The hind femur is rather short. Antennae are relatively long and thin, longest segments are about 3-4 times longer than they are wide.
Similar species: Tetrix undulata and T. bipunctata
Adults: Imagoes can be found all year round, but most abundant in summer.
Song:
Males have no calling song.
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Habitat:  Warm and sunny places with sparse vegetation (grasslands, open forests).
Distribution:
Widespread and common.

Tetrix tenuicornis, female
(Author: Kiss Tamás, source: ízeltlábúak.hu, CC BY 4.0)

Tetrix tenuicornis, female
(Szerző: Ács Zoltán, forrás: ízeltlábúak.hu, CC BY 4.0)

Tetrix tenuicornis, female
(Author: Farkas Péter, source: ízeltlábúak.hu, CC BY 4.0)