Universal Chalcidoidea Database

Distribution references

Records of Pachyneuron aphidis Bouche, 1834 in United States of America-Washington:

Records 1 - 2 of 2
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Paulson, G.S.; Akre, R.D. 1991, Parasitic Hymenoptera collected from a pear orchard under organic management in Washington state. Entomological News 102(5):227-230    
Peck, O. 1963, A catalogue of the Nearctic Chalcidoidea (Insecta; Hymenoptera). Canadian Entomologist (Supplement) 30:616-619