Trophic interactions between two herbivorous insects, Galerucella calmariensis and Myzus lythri, feeding on purple loosestrife, Lythrum salicaria, and two insect predators, Harmonia axyridis and Chrysoperla carnea

两种以紫色珍珠菜、千屈菜为食的草食性昆虫（Calerucella calmariensis 和 Myzus lythri）与两种昆虫捕食者（Harmonia axyridis 和 Chrysoperla carnea）之间的营养相互作用