Some Diptera newly recorded from Ukraine
Oboňa, Jozef, Dvořák, Libor, Manko, Peter, Mariychuk, Ruslan, Starý, Jaroslav, Tkoč, Michal
Bibionomorph gnats (Diptera: Nematocera) collected from Lažany village, Slovakia
Kurina, Olavi, Manko, Peter, Oboňa, Jozef
Hiding in plain sight: new records and endangered flies (Diptera) from a tree-hole in an urban park (Prešov, Slovakia)
Oboňa, Jozef, Ježek, Jan, Kanašová, Katarína, Manko, Peter
Dolichocephala ocellata (Costa, 1854) (Diptera, Empididae) new to Slovakia
van der Weele, Ruud, Kappert, Jürgen, Oboňa, Jozef
Selected Diptera of City Park Kolmanka, Prešov (Slovakia)
Oboňa, Jozef, Beuk, Paul L. Th., Dvořáková, Kateřina, Dvořák, Libor, Grootaert, Patrick, Haenni, Jean-Paul, Ježek, Jan, Mlynárová, Laura, van der Weele, Ruud, Manko, Peter