• The interaction among plant –bollworm- parasitoids under elevated CO₂ and O₂
• The effect of CO₂ enhancement on the biology of crop, aphids and natural enemies.
• Assessment on the ecological risk of transgenic Bt crop on soil animal in China.
• The tritrophic interactions between different variety of cotton plant, cotton aphids and ladybeetle.
• The relationship between the structure and productivity of insect pests community and natural enemies community in diversiform agroecosystems.