Study on the Major Host Plant Species of Lac Insect, Wax Scale and Gall Aphids Biological Basis for Rearing Horned Gall Aphid, Schlechtendalia chinensis Biological Studies on the Du-ensiform Gall Aphid, Kaburagia rhusicola Ⅰ. Life History Biological Studies on the Du-ensiform Gall Aphid,Kaburagia rhusicola II .Reproduction A STUDY ON THE QUANTITATIVE RELATIONSHIP OF HORNED GALL APHID AND ITS HOSTS TO THE YIELD OF THE GALLNUT PRELIMINARY STUDIES ON THE BIOLOGY OF HORNED GALL APHID IN THE GALL AND THE GROWTH OF THE GALL BIOLOGICAL CHARACTERISTICS OF HORNED GALL APHID AND CHANGES IN QUANTITY DURING OVERWINTERING Photosynthetic characteristics of two plagiomnium mosses in Summer and Winter