Variance analysis of different sites and years against the abundance of the main groups of arthropod pests in Trifolium repens L.

Notes: here Homoptera is a suborder of the Hemiptera insect, including Psyllidae, whitefly, cicadas, aphids, scale insects, i.e.; in Trifolium repens L. Lepidoptera pests mainly included Noctuidae, Pyralidae, Psychidae, Pieridae, Papilionidae and Lycaenidae; Homoptera pests mainly included Aphididae, Aleyrodidae and Cicadellidae; true bugs mainly included Miridae, Coreidae, Pentatomidae and Tingidae pests; Coleoptera pests mainly included Melolonthidae, Rutelidae, Cetoniidae, Chrysomelidae, Curculionidae, Meloidae and Elateridae; Acarina mainly included Tetranychidae. The same below.