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Universal Chalcidoidea Database

Distribution references

Records of Psilonotus achaeus Walker, 1848 in Nearctic:

Records 1 - 2 of 2
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Peck, O. 1963, A catalogue of the Nearctic Chalcidoidea (Insecta; Hymenoptera). Canadian Entomologist (Supplement) 30:659    
Peck, O. 1974, Nearctic records of two European species of Pteromalidae (Hymenoptera: Chalcidoidea). Canadian Entomologist 106(6):623-625