Alex Hyde / Cave cricket (Troglophilus cavicola) on wall of karstic cave. Slovenia, April.

Alex Hyde / Cave cricket male (Troglophilus cavicola) on the side of a stalactite in a limestone cave. Plitvice Lakes National Park, Croatia. November.

Dietmar Nill / Cave cricket (Troglophilus neglectus) Europe

Kerstin Hinze / Cave cricket (Troglophilus cavicola) female in a cave, Carinthia, Austria

Kerstin Hinze / Cave cricket (Troglophilus cavicola) female in a cave, Carinthia, Austria