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Dreistadt, S.H.; Hagen, K.S. 1994, European elm scale (Homoptera: Eriococcidae) abundance and parasitism in northern California. Pan-Pacific Entomologist
70(3):240-252
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Noyes, J.S.; Hayat, M. 1994, Oriental mealybug parasitoids of the Anagyrini (Hymenoptera: Encyrtidae)
pp.407
CAB International, Oxon, UK
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Keywords: Biological control
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Thompson, W.R. 1955, A catalogue of the parasites and predators of insect pests. Section 2. Host parasite catalogue, Part 3. Hosts of the Hymenoptera (Calliceratid to Evaniid).
pp.259
Commonwealth Agricultural Bureaux, The Commonwealth Institute of Biological Control, Ottawa, Ontario, Canada
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Keywords: Biological control
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