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The Indo-Australian species of the ultorgroup of Apanteles Forster (Hymenoptera: Braconidae)
Vol 21, Page 1, Date 1967
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A revision of the Oriental species of Palexorista Townsend (Diptera: Tachinidae, Sturmiini)
Vol 21, Page 35, Date 1967
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A revision of the holarctic genus Dikraneura (Homoptera: Cicadellidae)
Vol 21, Page 99, Date 1968
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Contributions towards a revision of Myrsidea Waterston. III. (Menoponidae: Mallophaga)
Vol 21, Page 203, Date 1966
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Sphecidae des Îles Canaries (Hymenoptera)
Vol 21, Page 245, Date 1968
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A revision of the Ethiopian species of the tribe Notiphilini (Diptera: Ephydridae)
Vol 21, Page 279, Date 1968
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The Aloeides thyra complex (Lepidoptera: Lycaenidae)
Vol 21, Page 367, Date 1968
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The types of Lepidoptera Heterocera described by P. Mabille
Vol 21, Page 389, Date 1968