Study on growth status of masson pine families damaged by Hemiberlesia pitysophila;

Control of Hemiberlesia pitysophila by interlogging and replanting acacia in longitudinal stripes in pine forests;

Interspecific competition between parasitoids of Hemiberlesia pitysophila;

Isolation and Screening of Microbial Strains against Hemiberlesia pitysophila Takagi;

Parasitic functional response of Coccobius azumai Tachikawa (Hymenoptera:Aphelinidae) to Hemiberlesia pitysophila Takagi (Homoptera:Diaspididae);

Spread and Distribution of Hemiberlesia pitysophila Takagi on the Different Tips of Pine;

Introduction and application of Coccobius azumai Tachikawa (Hymenoptera: Aphelinidae);

A set of differential equations was established to describe the interaction between Hemiberlesia pitysophila Takagi and Coccobius azumai Tachikawa based on the investigation data in various fields.

Artificial recapture techniques of Coccobius azumai,a natural enemy parasitizing Hemiberlesia pitysophila

Coccobius azumai Tachikawa which was introduced from Okinawa, Japan, was first released and successfully established in Huidong County, Guangdong Province in 1989.

Coccobius azumai Tachikawa is an important parasite of Hemiberlesia pitysophila Takagi (Homoptera:Diaspididae) and it has been purposely introduced into Guangdong Province in 1987-1989.

Synthesis of the C - 8-C - 13 fragment of the natural occuring sex pheromone of Matsucoccus matsumurae Japanese pine bast scale;