Erdös, J. 1956, Gezogene und gesammelte neue Zehrwespen aus Ungarn. Acta Agronomica Academiae Scientiarum Hungaricae
6:386-387
(Parasitoid identification correct)
[ According to Thuroczy (1992:149) no syntypes of Pteroptrix opaca could be located in the HNHM. ]
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Herting, B. 1972, Homoptera. A catalogue of parasites and predators of terrestrial arthropods. Section A. Host or Prey/Enemy.
2:160,176-177
Commonwealth Agricultural Bureaux, Slough, England
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Herting, B. 1972, Homoptera. A catalogue of parasites and predators of terrestrial arthropods. Section A. Host or Prey/Enemy.
2:183-184
Commonwealth Agricultural Bureaux, Slough, England
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Trjapitzin, V.A. 1978, Hymenoptera II. Chalcidoidea 18. Mymaridae. Opredeliteli Nasekomykh Evropeyskoy Chasti SSR
3:494
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Tudor, C. 1982, Species of chalcidoid parasites of some injurious coccids. Studii si Cercetari de Biologie (Seria Biologie Animala)
34(2):89
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