摘要
卵形异绒螨Allothrombium ovatum是我国北方地区蚜虫的一种外寄生性天敌,室内饲养和田间系统观察结果表明:该螨1年发生1代,以卵在土壤内越冬。在年平均温度为13.7℃条件下,其卵、前幼螨、幼螨、若蛹、若螨、成蛹和成螨的发育历期平均为220.8、19.5、22.0、12.0、13.0、13.0和59.0天。幼螨营寄生生活,若螨和成螨营捕食生活。作者还对此螨的主要习性进行了研究。
Indoor rearing and field systematic observations were carried out to explore the life history and behavior of Allothrombium ovatum Zhang et Xin,an ectoparasitic/ predatory mite on aphids in northern China. The results showed that there is one generation a year of this mite,it overwinters with egg in soil,the developmental durations of egg,prelarva,larva, nymphochrysalis, nymph, preadult and adult under averaged temperature 13. 7℃ are 220. 8 ,19. 5,22.0,12.0,13. 0,13. 0 and 59. 0 days.respectively.It does parasitism in larval stage and predatism in nymphal and adult stages. Its main behavioral characteristics were also observed.
出处
《植物保护学报》
CAS
CSCD
北大核心
1996年第3期198-202,共5页
Journal of Plant Protection
基金
山西省自然科学基金
关键词
卵形异绒螨
生活史
习性
天敌
Allothrombium ovatum,life history,behavior
