A new Dirhicnus-parasite of Conopids in adult bumble-bees (Hym., Pteromalidae)
Bouček Z.
Acta Entomologica Musei Nationalis Pragae 34: 445-449, 1961
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Key words: new species, Dirhicnus, Pteromalidae, Hymenoptera, Conopidae, Bombus, hyperparasite, Czechoslovakia, central Europe