houi were systematically summarized from the aspects of bio-ecological characteristics,nutrition value,forecasting technique and damage control in Yunnan Province.

In this paper, the bio-ecological characteristics of indigenous halophytes: Salsola implicata, Suaeda linifolia, Halocnemum strobilaceum and Kalidium foliatum will be studi.

Analysis on the ecological and biological characteristics of two kinds of fine wild lawn grass;

Ecological and biological characteristics of endangered medicinal plant Dysosma tsayuensis Ying and its conservation strategy;

Based on the bioecological characteristics,potential risks,difficulties in prevention and other factors,a risk asses.

The bio-ecological characters, species diversity of its communities, population size-classes structure, distributional pattern and genetic diversity of populations were studied, which are the scientific basis for the efficient conservation of Thuja sutchuenensis.

The biological and ecological characteristics,monitoring techniques and control methods of Lymantria dispar were summarized on the basis of the previous studies,and the worldwide progress of the research was reviewed.

Based on the previous researches,the biological and ecological characteristics,sampling and monitoring techniques as well as control methods of Dendrolimus kikuchii were summerized to obtain an overall understanding of the pest insect.