Nemobius sylvestris - Wood-cricket
Description: Fairly small, inconspicuous cricket species (♂ 7-10 mm, ♀ 9-11 mm). Body brownish-black, with a bright Y-shaped pattern on the forehead. Ovipositor is 5-7 mm long and straight.
Similar species: Pteronemobius heydenii
Adults: from July to September
Song: A series of high-pitched chirps of variable length (0.2-2 sec.), which follow each other very rapidly. Resembles the sound of a creaking door or morse code, but higher. It sings in the afternoon and evening, its sound can be heard only a few metres away.