A revision to the New World mealybugs of the genus Rhizoecus : (Homoptera:Pseudococcidae) /

Includes index.

The injurious scale insects and mealy bugs of the British Isles ...

Reprinted from Royal horticultural society, Journal, v. 23, pt. 3.

[Reports] on scale insects ...

Caption title.

A revision of the genus Heterococcus Ferris with a diagnosis of Brevennia Goux (Homoptera: Coccoidea: Pseudococcidae) /

Issued Sept. 1975.