Coccidae 第1页

The Bunge Prickly-Ash Tree Damaged by a Mealybug,Phenacoccus azaleae Attracting the Ladybug, Harmonia axyridis The Ultra-Morphology and Chemical Composition of Waxes Secreted by a Scale Insect Physokermes shanxiensis (Homoptera : Coccidae) A Study on the Nutriology Promoting the Population Increase of Eulecanium gigantea by Urban Pollution A STUDY ON THE ACCUMULATIONS OF URBAN AIR POLLUTIONS SO2 AND Pb IN THE BODY OF EULECANIUM GIGANTEA (S.)(COCCIDAE) AND THEIR HOST-PLANT SOPHORA JAPONICA