中国生态农业学报Issue(1)：102-109,8.DOI:10.13930/j.cnki.cjea.140739
异色瓢虫和多异瓢虫对两种色型豌豆蚜的捕食偏好研究
Study on predation preference ofHarmonia axyridis (Pallas) andAdonia variegata (Goeze) on red and green color morph pea aphids
摘要
Abstract
In order to explore the inhibition effectof Harmonia axyridis (Pallas) andAdonia variegata (Goeze) on red and green pea aphids (Acyrthosiphon pisum Harris) populations and their predation preferences, pea aphids with total densities of 90 head⋅dish−1, 120 head⋅dish−1 and 150 head⋅dish−1 forH. axyridis, and 42 head⋅dish−1, 60 head⋅dish−1 and 78 head⋅dish−1 for A. variegate were used to determine predation preferences ofH. axyridis andA. variegata on two color morphs of pea aphids. The results showed that when red and green pea aphids co-existed, female adults of H. axyridis were insensitive to red morph in low and medium total prey densities (90 head⋅dish−1 and 120 head⋅dish−1), sensitive to red morph in high total prey density (150 head⋅dish−1), and insensitive to green morph in all total prey densities. Female adults of H. axyridis also variably switched to red pea aphids in different total prey densities, showing zero switch in 90 head⋅dish−1 density, and negative switch in 120 head⋅dish−1 and 150 head⋅dish−1 densities. However, female adults showed zero switch to green morph. When red and green pea aphids co-existed, female adults ofA. variegate were insensitive to red and green morphs pea aphid in all total prey densities. Female adults ofA. variegata also variably switched to the two morph pea aphids in different total prey densities, showing zero switch in 42 head⋅dish−1 density, and negative switch in the 60 head⋅dish−1 and 78 head⋅dish−1 densities. Therefore while female adults of A. variegata had no obvious preference for the two morphs of pea aphids, female adult ofH. axyridis had no preference for the two morphs of pea aphids in lower population density but had positive preference for red morph in higher population density. The results suggested that dominant natural enemies (ladybird) were among the many factors for the changes in the populations of the two types of color of pea aphids.关键词
豌豆蚜/异色瓢虫/多异瓢虫/色型/功能反应/圆盘方程/捕食偏好/捕食量Key words
Pea aphid (Acyrthosiphon pisum Harris)/Harmonia axyridis (Pallas)/Adonia variegata (Goeze)/Color morph/Functional response/Disc equation/Predation preference/Feeding amount分类
农业科技引用本文复制引用
杜军利,武德功,刘长仲..异色瓢虫和多异瓢虫对两种色型豌豆蚜的捕食偏好研究[J].中国生态农业学报,2015,(1):102-109,8.基金项目
国家自然科学基金项目(31260433)和高等学校博士学科点专项科研基金博导类资助课题(20136202110007)资助 （31260433）
