The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
zhong guo si xiao zuo shu de yan jiu ji xin zhong ji shu ( xiao zuo yan jiu zhi qi )
Author(s): 
Pages: 323-340
Year: Issue:  4
Journal: Acta Zootaxonomica Sinica

Keyword:  小蠹属新种记述落叶松新亚种刻点长宽比云南松主要特征前胃沟间;
Abstract: <正> 四小蠹属(Polygraphus Er.)一般寄生于针叶树韧皮部和边材间,为害普遍,数量繁多,往往超过齿小囊属(Ips De Geer)。而本属种间差异甚微,鉴定较难。七十年前W.F.H.Blandford就曾说过:本属的鉴定须依靠生殖器作辅助条件,才较有把握。我们根据内外形态相结合的精神,将国产13个种及亚种,作了比较研究,内有4个新种,2个新亚种,扼要叙述如下。所有模式标本,均保存于中国科学院动物研究所。
Related Articles
No related articles found