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Investigation on species of spider mites damaging broad-leaved trees and Acer rubrum damaged by Oligonychus ilicis in Shanghai gardens.

Yang Chao

Journal of Zhejiang Forestry Science and Technology 2019 Vol 39 No. 3 pp. 63-66;


Field investigations were carried out on species of spider mites damaging broad-leaved trees in Shanghai gardens from July to December in 2018, as well as on Oligonychus ilicis damaging Acer rubrum. The results showed that there were 17 species, among them, three new species records in China, namely Oligonychus castaneae, Eotetranychus nomurai and O. ilicis. Tetranychus kanzawai was found for the first time damaging Magnolia denudata, Euseius nicholsi damaging Koelreuteria paniculata and Sapindus mukorossi. The investigation demonstrated that the damage of O. ilicis to A. rubrum lasted until mid-October and it did not overwinter on the leaves.