摘要
宽结大头蚁PheidolenodusSmith筑巢于土中。3月中、下旬开始出巢活动取食,5、6月为繁殖高峰,繁殖期巢内各虫态个体总数高达14865头。7月中旬有翅雌雄成蚁羽化,11月下旬开始越冬,越冬期巢内个体数大减,仅以成蚁和少量幼蚁越冬。该蚁是马尾松毛虫卵和初龄幼虫的重要捕食性天敌,对人工挂放于林间的第2代马尾松毛虫卵的最高捕食率达55.33%。
Pheidole nodus makes its nest in the soil,and resuscitates in the middle and third ten day of March.There are totally 14865 ants including adults and larvae in the nest during the peak period of its reproduction from May to June,the female ants with wings emerged in the middle ten day of July,it begins to overwinter in the third ten day of November,but its numbers in the nest reduced rapidly.Its a mainly predator on the egg and primary larva of Dendrolimus punctatus, the highest prey rate was 55.33 % in egg exposed test of the second generation in the forest.
出处
《森林病虫通讯》
北大核心
1997年第1期3-6,共4页
Forest Pest and Disease