Forbes, S.A. 1885, Forteenth report of the Illinois State Entomologist. I. Contributions to Agricultural Entomology. Transactions of the Illinois State Deptartment of Agriculture
22:48
(Parasitoid identification correct)
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Graham, M.W.R. de V. 1987, A reclassification of the European Tetrastichinae (Hymenoptera: Eulophidae), with a revision of certain genera. Bulletin of the British Museum (Natural History) (Entomology)
55(1):232
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Peck, O. 1963, A catalogue of the Nearctic Chalcidoidea (Insecta; Hymenoptera). Canadian Entomologist (Supplement)
30:126
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