Trimble, F.M. 1928 Scale insects of Pennsylvania (Homop.: Coccidae).. Entomological News 39: 42-47.
Notes: Lists 112 scale insects and their host plants.
Trimble, F.M. 1928 Scale insects of Pennsylvania (Homop.: Coccidae).. Entomological News 39: 42-47.
Notes: Lists 112 scale insects and their host plants.