Arnold, G. 1956. New species of African Hymenoptera. No. 12. Occasional Papers of the National Museum of Southern Rhodesia. B. Natural Sciences 3:52-77.
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Arnold, G. 1958. New species of African Hymenoptera. No. 13. Occasional Papers of the National Museum of Southern Rhodesia. B. Natural Sciences 3:119-143.
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Arnold, G. 1959. New species of African Hymenoptera. No. 14. Occasional Papers of the National Museum of Southern Rhodesia. B. Natural Sciences 3:316-339.
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Arnold, G. 1960b. New species of African Hymenoptera. No. 15. Occasional Papers of the National Museum of Southern Rhodesia. B. Natural Sciences 3:452-488.
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Arnold, G. 1962. New species of African Hymenoptera. No. 16. Occasional Papers of the National Museum of Southern Rhodesia. B. Natural Sciences 3:844-855.
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