Publication
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Profenusa thomsoni (Konow) in the Netherlands (Hymenoptera, Tenthredinidae) Article
Entomologische Berichten, 41(5), 65-66.January 1981
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Nieuwe gegevens over Nederlandse Dolichopodidae (Diptera) II Article
Entomologische Berichten, 41(5), 67-70.January 1981
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Three correcting notes on the Tortricidae of New Guinea and South Celebes (Lepidoptera) Article
Entomologische Berichten, 41(5), 71-72.January 1981
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Corrections to several of the author’s papers on Hymenoptera Article
Entomologische Berichten, 41(5), 73-79.January 1981
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Baltsvlucht van Nemophora degeerella (Linnaeus) (Lep., Incurvariidae) Article
Entomologische Berichten, 41(5), 80-80.January 1981
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Hinderlijke of schadelijke mijten en insekten in en om gebouwen in 1980 Article
Entomologische Berichten, 41(6), 81-83.January 1981
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Bijzondere aantastingen door insekten in 1980 Article
Entomologische Berichten, 41(6), 84-87.January 1981
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The position of the genus Rhamnura Enderlein among the Braconidae (Hymenoptera) Article
Entomologische Berichten, 41(6), 88-91.January 1981