福建省蝴蝶新记录及新订正种

本报道福建省新记录及新订正蝴蝶11种，记叙它们的形态特征、采集地、采集生境及采集时间。     

云南省齿蛉亚科的新种记述(广翅目:齿蛉科)

齿蛉亚科(Corydalinae)为中至大型的广翅目昆虫,头部扁平,头顶方形,两侧多具发达的齿突;触角丝状或近似锯齿状,雌雄同型;翅的径横脉(r)一般3条以上,第一臀脉(1A)分2～3支;雄腹端具肛上突和肛下突各一对。 世界已知9属百余种,主要分布于亚洲南部、美洲和非洲南部。我国种类较多,云     

An outline of the distribution patterns of the freshwater Copepoda of Israel and surroundings

The distribution of the freshwater Copepoda in the Levantine province is analyzed. The characteristics of the five subprovinces of the freshwater fauna in the area are briefly presented and the representative species of Copepoda, mainly of the Harpacticoida, are mentioned. The presence of a palearctic enclave in the mountains of South Sinai and the presence of Ethiopian species in the Jordan-Dead Sea valley, is emphasized.     

Crop Genetic Resources Diversity and Sustainable Agriculture in Yunnan Province,China

Yunnan is well known as a "Kingdom of Plant". Yunnan is also rich in natural resources of crop. Lots of studies on collection, conservation, protection, evaluation and utilization of crop genetic resources have been done in recent years. But there are some unfavourable factors, too. With the agricultural intensity, some new problem such as decreasing diversity, simplifying varieties and narrowing genetic basis of crop have arisen to restrict the development of agriculture in Yunnan. The only way to achieve a sustainable agriculture in Yunnan is doing our utmost to protect the crop diversity, develop new crop or new varieties and widen the genetic basis of crop varieties.