Universal Chalcidoidea Database

Distribution references

Records of Roptrocerus xylophagorum Ratzeburg, 1844 in United States of America-Washington:

Records 1 - 2 of 2
Return to list  Search again
Grissell, E.E. 1979, Family Torymidae. Catalog of Hymenoptera in America North of Mexico 1:764 (Eds: Krombein, K.V.; Hurd, P.D.; Smith, D.R.; Burks, B.D.) Smithsonian Institution Press, Washington, D.C.    
Peck, O. 1963, A catalogue of the Nearctic Chalcidoidea (Insecta; Hymenoptera). Canadian Entomologist (Supplement) 30:576-577