The paper dealt with the spatial distribution patterns of yellow rice borer larva, Scirpophaga incertulas (Walker) using the description of indices of patchiness in the field, and measuredthe individual group size of larva and analyzed the contagious reasons.

The anatomy of overwintering Chilo suppressalis(Walker) larvae focused on the location of its internal organs and structures,the digestive system,central nervous system,respiratory system,body fat and the basic structure and function of the reproductive system.

The transfer pattern of the 3rd generation larvae of cornborer in cotton field;

The pattern of transfer harm and control of three pyralid caterpillars in corn fields.;

Characteristics and control of the third generation of rice stem borers in single and double rice cropping areas:;