Tracing dietary origins of aphids and the predatory beetle Propylea japonica in agricultural systems using stable isotope analyses

Ouyang, Fang; Cao, Jing; Liu, Xianghui; Zhang, Yongsheng; Zhao, Zihua; Ge, Feng; Cao, Jing; Zhang, Yongsheng; Men, Xingyuan; SCI

机构： Chinese Acad Sci, Inst Zool, State Key Lab Integrated Management Pest & Rodent, Beijing 100101, Peoples R China; Hunan Agr Univ, Coll Plant Protect, Changsha 410128, Hunan, Peoples R China; Shandong Acad Agr Sci, Inst Plant Protect, Jinan, Peoples R China;

关键词： wheat maize cotton Coleoptera Coccinellidae Hemiptera Aphididae trophic level food chain food web nutritional ecology