Universal Chalcidoidea Database

Distribution references

Records of Trichogramma pretiosum Riley, 1879 in United States of America-Pennsylvania:

1 record found
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Losey, J.E.; Calvin, D.D. 1991, Parasitization efficiency of five species of Trichogramma (Hymenoptera; Trichogrammatidae) on European corn borer eggs. Colloques de l'INRA No 56:209-212 (Eds: Wajneberg, E.; Vinson, S.B.) Institut National de la Recherche Agronomique, Paris, France (ISBN 2-7380-0323-0)    
Keywords: Biological control