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  1. Hymenopterorum ichneumonibus affinium monographiae, genera Europaea et species illustrantes. Scripsit Christ. Godofr. Nees ab Esenbeck.
    By: Nees von Esenbeck, Christian Gottfried Daniel,
    Publication info: StuttgartiaeJ.G. Cottae1834
    Contributed by: Gerstein - University of Toronto (archive.org)
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