United States of America:
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Dysart, R.J. 1989, New distribution records for the alfalfa weevil egg predator Peridesmia discus (Hymenoptera: Pteromalidae) in the eastern United States. Journal of Entomological Science
24:92-95
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Dysart, R.J. 1989, New distribution records for the alfalfa weevil egg predator Peridesmia discus (Hymenoptera: Pteromalidae) in the eastern United States. Journal of Entomological Science
24:92-95
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Keywords: Biological control
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Garrido Torres, A.M.; Nieves-Aldrey, J.L. 1999, Pteromalids from the Autonomus Community of Madrid (CAM) (Spain): faunistics and catalogue (Hymenoptera: Chalcidoidea: Pteromalidae). Graellsia
55:59
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Graham, M.W.R. de V. 1969, The Pteromalidae of north-western Europe (Hymenoptera: Chalcidoidea). Bulletin of the British Museum (Natural History) (Entomology)
Supplement 16:702
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Gruber, F.; Dysart, R.J. 1974, Peridesmia discus, an egg predator of Hypera postica in Europe. Environmental Entomology
3(5):789-792
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Keywords: Biological control
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Peck, O. 1963, A catalogue of the Nearctic Chalcidoidea (Insecta; Hymenoptera). Canadian Entomologist (Supplement)
30:694-695
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Keywords: Biological control
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Thompson, W.R. 1958, A catalogue of the parasites and predators of insect pests. Section 2. Host parasite catalogue, Part 5.
pp.610
Commonwealth Agricultural Bureaux, Commonwealth Institute of Biological Control, Ottawa, Ontario, Canada
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Yugoslavia (pre 1991):
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Boucek, Z. 1972, On European Pteromalidae (Hymenoptera): a revision of Cleonymus, Eunotus and Spaniopus, with descriptions of new genera and species. Bulletin of the British Museum (Natural History) (Entomology)
27(5):305
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