Potential geographic distribution of the western corn rootworm,Diabrotica virgifera virgifera Leconte,and its quarantine measures in China.

The morphology, biological characteristics and control methods of west corn rootworm (Diabrotica virgifera virgifera Leconte) are introduced, meanwhile the possibility of this pest in invading China is predicted,and the potential economic lost in Chinese agriculture is evaluated.

Harmfulness of Galeruca reichardti Jacobson to traditional chinese medicine Allium macrostemon.;

Isolation,Culture and Application Studies on Beauveria bassiana for Atysa marginata;

The outbreak，growth and decline of Atysa marginata had close relations with the environmentalfactors of temperature,humility，latitude，altitude above sea level，stand structure and composition，soil一covering，natural enemy，etc.

Galeruca(Galeruca)regularis sp.

Living habit and hazard of Pallasiola absinthii on desert grassland in Hexi Corridor;