A Hungarian team has investigated the Orthoptera fauna of Papuk mountain in northeastern Croatia in 2007 and 2008. In total 64 species were found, among which five new country records: Isophya modestior, Poecilimon affinis, Poecilimon fussii, Pseudopodisma fieberi and Xya pfaendleri.
Szövényi, G. & G. Puskás 2012. A contribution to knowledge concerning the orthoptera fauna of the Slavonian range (NE Croatia) with the first record of some species in Croatia. Natura Croatica 21(2): 403-418.