Studies on bionomics and occurrence regulation ofPhigalia djakonovi Moltrecht

Abstract

Investigation and observation were made on bionomics and occurrence regulation ofPhigalia djakonovi Moltrecht, which is a major pest of white birch, in Daxing’an Mountain forest area of Inner Mongolia during 1997 to 1999. The pest has one generation per year and overwinters as pupae in the soil in this area. Development, bionomics and outbreak of the pest are closely related with the food and environment conditions.

Keywords

Bionomics / Occurrence Regulation / Phigalia djakonovi Moltrecht / S763.42 / A