Folsomia quadrioculata, an abundant Collembola species of the beech forests in the nature reserve Riddagshausen (photo: Jörg Salamon/ Jörn Alphei)

Folsomia quadrioculata, an abundant Collembola species of the beech forests in the nature reserve Riddagshausen (photo: Jörg Salamon/ Jörn Alphei)