Germany:
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Kuo-Sell, H.L.; Eggers, G. 1987, Evaluation of the effect of parasitoids on the population dynamics of cereal aphids by comparing the rates of mummification and parasitism in winter wheat. Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz
94(2):178-189
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Kuo-Sell, H.L.; Holthusen, C.; Quentin, M.; Wieduwilt, A.; Wilhelms, A. 1989, Interactions between cereal aphids (Homoptera: Aphididae) and parasitoids (Hymenoptera: Aphidiidae) and their importance for aphid control in winter wheat. Mededelingen van de Faculteit Landbouwwetenschappen, Rijksuniversiteit Gent
54(3a):883-893
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India:
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Fry, J.M. 1989, Natural enemy databank, 1987. A catalogue of natural enemies of arthropods derived from records in the CIBC Natural Enemy Databank.
pp.78
CAB International, Wallingford, Oxford, UK
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Slovakia:
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Al-Dobai, S.; Praslicka, J.; Mistina, T. 1999, Parasitoids and hyperparasitoids of cereal aphids (Homoptera, Aphididae) on winter wheat in Slovakia. Biológia, Bratislava
54(5):573-580
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