Chrysotoxum verralli Collin (Diptera, Syrphidae) v Československu

Chrysotoxum verralli Collin (Diptera, Syrphidae) in Czechoslovakia
[Chrysotoxum verralli Collin (Diptera, Syrphidae) in Czechoslovakia]
English, Czech summary
Zprávy československé společnosti entomologické 4(3–4): 45-46, 1968
Volkert S. van der Goot
Published in print: 27th December 1968
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