Universal Chalcidoidea Database

Distribution references

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

Records 1 - 5 of 5
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DeMars, C.J. jr; Dahlsten, D.L.; Sharpnack, N.X.; Rowney, D.L. 1986, Tree utilization and density of attacking and emerging populations of the western pine beetle (Coleoptera: Scolytidae) and its natural enemies, Bass Lake, California, 1970-1971. Canadian Entomologist 118(9):891-900    
Espelie, K.E.; Berisford, C.W.; Dahlsten, D.L. 1996, Use of cuticular hydrocarbons in bark beetle parasitoid taxonomy: a study of Roptrocerus xylophagorum (Ratzeburg) (Hymenoptera: Torymidae) from the United States, Europe and Australia. Comparative Biochemistry and Physiology (B) 113(1):193-198    
Fry, J.M. 1989, Natural enemy databank, 1987. A catalogue of natural enemies of arthropods derived from records in the CIBC Natural Enemy Databank. pp.16 CAB International, Wallingford, Oxford, UK    
Peck, O. 1963, A catalogue of the Nearctic Chalcidoidea (Insecta; Hymenoptera). Canadian Entomologist (Supplement) 30:576-577    
Peck, O. 1963, A catalogue of the Nearctic Chalcidoidea (Insecta; Hymenoptera). Canadian Entomologist (Supplement) 30:577-578