Sleesman, G.B. 1945 The Coccidae or scale insects of Pennsylvania.. Proceedings of the Pennsylvania Academy of Science 19: 43-48.
Notes: A list of 65 scale insects in 22 genera and a list of hosts for each.
Sleesman, G.B. 1945 The Coccidae or scale insects of Pennsylvania.. Proceedings of the Pennsylvania Academy of Science 19: 43-48.
Notes: A list of 65 scale insects in 22 genera and a list of hosts for each.