Tippins, H.H., & Beshear, R.J. 1970b A new species of Chionaspis (Homoptera: Diaspididae) from Betula nigra.. Annals of the Entomological Society of America 63: 1022-1023.
Notes: Chionaspis betulae; two forms described; taxonomic notes.
Tippins, H.H., & Beshear, R.J. 1970b A new species of Chionaspis (Homoptera: Diaspididae) from Betula nigra.. Annals of the Entomological Society of America 63: 1022-1023.
Notes: Chionaspis betulae; two forms described; taxonomic notes.