摘要
纵坑切梢小蠹Ｔｏｍｉｃｕｓｐｉｎｉｐｅｒｄａ在云南分布很广，８０年代以来，在昆明、红河、楚雄３地、州３０个县的云南松人工林内猖獗危害，直接经济损失６０００余万元。该虫在云南１ａ一代，全年危害，无明显的越冬现象。每年５～１１月蛀梢，１１～翌年５月蛀干，树皮下各虫态种群高峰期出现在２～５月，此时是清理蠹害木的最佳时期。成虫干转梢及由梢转干在林间扬飞期１～１４ｄ，集中扬飞３～４ｄ。
Tomicus piniperda ,a serious bark beetle of Pinus yunnanensis, is widely distributed in Yunnan Province. Since 1980s, the plantations of Pinus yunnanensis in 30 counties in Kunming district, Honghe and Chuxiong prefecture had been damaged seriously by this pest with direct ceonomic lose of over 60.0 million yuan. It has one generation a year and attacks Pinus yunnanensis all the year without obvious overwintering phenomenon. It bores the tender top in May to November and bores the trunk from November to next May. The peak period of each stage appears from February to May under the bark and this is the best time for cutting off all the damaged trees. It has a flying period of 1～14days for moving from top to trunk and from trunk to top and has a concentrated flying period of 3～4days. which has important meaning in adult control.
出处
《云南林业科技》
1997年第2期1-7,共7页
Yunnan Forestry Science and Technology
