Karolina Koperska, Krystyna Szybiak

Preliminary data on crustacean zooplankt on communities in ephemeral water bodies of the Biedrusko military area (W Poland)

Agnieszka Napierała, Bartosz Labijak, Patryk Bernart, Filip Skwierczyński, Tomasz Raczyński

Known materials of Uropodina (Acari: Mesostigmata) in Wielkopolska forest reserves

Marek Przewoźny

Rare and interesting beetles (Coleoptera) caught in the Sierakowski Landscape Park

Krzysztof Zawierucha

Zawierucha Water bears (Tardigrada) of Okup Mały (Grabia Valley, Central Poland