Livres associés

Scale insects on deciduous and ornamental trees. A report to the State board of horticultural commissioners.

Scale insects of the Santa Cruz peninsula.

The red or orange scale

The purple scale

• Aquatic insects in New York state a study conducted at the entomologic field station, Ithaca, N. Y. under the direction of Ephraim Porter Felt.
  Auteur(s): Needham, James G. ,  MacGillivray, Alexander Dyer
• The Coccidae tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history
  Auteur(s): MacGillivray, Alexander Dyer
• The Coccidae tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history
  Auteur(s): MacGillivray, Alexander Dyer

• The Coccidae tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history
  Auteur(s): MacGillivray, Alexander Dyer