Light gray,black and dark black low fecundity;larval body color can be divided into light yellow and green two types,the larvae of different color,its color also varies cocoon can be divided into yellow,light yellow,light green and green,different colored cocoon cocoon shell percentage difference was not significant male than female cocoon cocoon cocoon shell percentage of 1%.

Influence of Deoxypodophyllotoxin on intugement components of Mythimna separata Walker

Predation of Harmonia axyridis larvae on Hyalopterus arundinis;