Publication
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Aantekeningen over Nederlandse Hymenoptera, Aculeata, VII Article
Entomologische Berichten, 37(2), 17-20.January 1977
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Mordellochroa species of the Western Palaearctic region (Coleoptera, Mordellidae) Article
Entomologische Berichten, 37(2), 21-26.January 1977
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A new Holarctic genus, Spathicopis gen. nov., belonging to the Euphorinae, Centistini (Hym., Braconidae) Article
Entomologische Berichten, 37(2), 27-31.January 1977
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Eumorpha anchemola (Cramer) (Lepidoptera: Sphingidae) geïmporteerd in Nederland Article
Entomologische Berichten, 37(2), 31-31.January 1977
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Het optreden van plagen van de heidekever (Lochmaea suturalis Thomson) in Nederland sedert 1915 Article
Entomologische Berichten, 37(3), 33-40.January 1977
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Problems about Spialia ploetzi (Aurivillius) (Lepidoptera, Hesperiidae) Article
Entomologische Berichten, 37(3), 41-44.January 1977
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Celastrina argiolus (Linnaeus) op Buddleia (Lep., Lycaenidae) Article
Entomologische Berichten, 37(3), 44-44.January 1977
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Notes on neotropical Psenulus (Hymenoptera, Sphecidae, Psenini) Article
Entomologische Berichten, 37(3), 45-48.January 1977