Deep-lying sites of the house-cricket Acheta domesticus (Linnaeus, 1758) (Orthoptera: Gryllidae) in coal mines in Upper Silesia (Poland)

The report provides information about the occurrence of the house-cricket Acheta domesticus in 2021 in the area of the hard coal mines "Budryk" (Ornontowice) and "Pniówek" (Pawłowice). The species was recorded at depths of 900, 1050 and 1290 m ("Budryk") and 1050 m beneath the surface ("Pniówek"). The information provided testifies high adaptability of the species and encourages its search in other Polish mines.