Publication
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A note on how to prepare insect genitalia without loss of stomach contents for pollen analytical research Article
Entomologische Berichten, 33(4), 69-69.January 1973
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On a small collection of Syrphid Flies (Diptera: Syrphidae) from the Kathmandu Valley and the Khumbu Himal Region (Nepal) Article
Entomologische Berichten, 33(4), 70-78.January 1973
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Notities over Surinaamse insekten Article
Entomologische Berichten, 33(5), 81-82.January 1973
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Sisyra jutlandica Esb.-P. faunae nov. spec. (Neuroptera, Sisyridae) Article
Entomologische Berichten, 33(5), 83-85.January 1973
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Over twee Apanteles-soorten (Hymenoptera, Braconidae) als parasieten van bladrollers (Lepidoptera, Tortricidae) van appel Article
Entomologische Berichten, 33(5), 86-90.January 1973
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Inocellia (Amurinocellia n. subg.) calida n.sp. - eine neue Spezies der Familie Inocelliidae (Ins., Rhaphidioptera) aus Ostasien (Mit einer Uebersicht über die Inocelliiden Asiens) Article
Entomologische Berichten, 33(5), 91-96.January 1973
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Nieuwe galmuggen voor de Nederlandse fauna (Vl) (Gall midges new for the fauna of the Netherlands (Vi)) Article
Entomologische Berichten, 33(5), 97-100.January 1973
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Julus scandinavius Latzel, a millipede new to U.S. fauna (Diplopoda,Julida) Article
Entomologische Berichten, 33(6), 101-102.January 1973