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THE TRUE IDENTITY OF PAMMENE-SNELLENANA WITH SELECTION OF LECTOTYPES LEPIDOPTERA TORTRICIDAE
Vol 28, Iss 4, Page 65, Date 1968
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LECTOTYPE SELECTION FOR SOUTH ASIATIC MICROLEPIDOPTERA
Vol 28, Iss 7, Page 136, Date 1968
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THE TYPE OF THE GENUS ODYNERUS HYMENOPTERA VESPOIDEA
Vol 28, Iss 10, Page 196, Date 1968
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Schadelijke insekten in 1967
Vol 28, Page 206, Date 1968
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A NEW EUMERUS SYRPHIDAE DIPTERA FROM CORSICA
Vol 28, Iss 11, Page 219, Date 1968
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Gall midges new for the fauna of the Netherlands (V.)
Vol 28, Page 224, Date 1968
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ON THE BIOLOGY OF SOME SPECIES OF PAPILIONIDAE FROM THE ISLAND OF CELEBES EAST INDONESIA TROIDES-HYPOLITES TROIDES-HELENA ATROPHANEURA-POLYPHONTES PARIDES-KUEHNI
Vol 28, Iss 12, Page 229, Date 1968
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Ch. Methode voor het waarnemen en registreren van zwakke gehiiden, zoals het knagen van insektelarven
Vol 28, Page 236, Date 1968
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A NEW NAME FOR THE GENUS CYRTOLABUS HYMENOPTERA EUMENIDAE
Vol 29, Iss 1, Page 1, Date 1969
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A NEW DANAUS SPECIES FROM CENTRAL CELEBES
Vol 29, Iss 1, Page 18, Date 1969
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Die Verbreitung der Feldgrille (Gryllus campestris L. Orthoptera) in den Niederlanden
Vol 29, Page 27, Date 1969
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A SIMPLE METHOD FOR REARING DROSOPHILA-MELANOGASTER
Vol 29, Iss 2, Page 40, Date 1969
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2 NEW GENERIC NAMES IN THE DIPLOPOD ORDER CRASPEDOSOMATIDA
Vol 29, Iss 5, Page 88, Date 1969
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Nog een 'bananevlinder',
Vol 29, Page 97, Date 1969
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Schadelijke Insekten in 1968
Vol 29, Page 111, Date 1969
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Two new species of Cosmopsaltria Stål from New Guinea (Homoptera, Cicadidae)
Vol 29, Page 147, Date 1969
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A KEY TO NOTES ON AND DESCRIPTIONS OF AMERICAN PLEOTRICHOPHORUS HOMOPTERA APHIDIDAE
Vol 29, Iss 9, Page 165, Date 1969
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SYRPHIDAE IN 1968
Vol 29, Iss 11, Page 203, Date 1969
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NOTES ON SOME INDONESIAN LYCAENIDAE
Vol 29, Iss 11, Page 213, Date 1969