New and interesting records of Diptera on glacial sand deposits in Silesia (NE Czech Republic). Part 4 – Calyptratae
Barták, Miroslav, Kejval, Zbyněk, Lutovinovas, Erikas, Michelsen, Verner, Roháček, Jindřich
A new record of mass occurrence of Pseudopomyza atrimana (Meigen), with notes on probable breeding habitat of the species (Diptera: Pseudopomyzidae)
Roháček, Jindřich