Knutson, H., & Brady, J.E. 1957 Summary of activities in the Northern Division.. Biennial Report of the Kansas State Entomological Commission 25th: 9-12.
Notes: Scale species recorded include European elm scale.
Knutson, H., & Brady, J.E. 1957 Summary of activities in the Northern Division.. Biennial Report of the Kansas State Entomological Commission 25th: 9-12.
Notes: Scale species recorded include European elm scale.