A New Species of the Genus Ormyrus (Hymenoptera, Ormyridae) from the Steppe Zone of Ukraine von M. D. Zerova, Ya. Seryogina

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Systematic Position of the Genus Nikanoria (Hymenoptera, Eurytomidae), with Description of Two New Species von M. D. Zerova, Ya. Seryogina

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New Data on the Distribution and Trophical Associations of Pseuderymerus bouceki (Hymenoptera, Torymidae) von M. D. Zerova, Ya. Seryogina, W. S. Kuslitzky

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