167. Panonychus ulmi (Koch, 1836) Host/Habitat. Alnus sp. (alder), Amygdalus communis (sweet almond), Castanea mollissima (Chinese chestnut), Celtis sinensis (celtis), Catalpa sp. (catalpa tree), Crataegus pinnatifida (hawthorn), Cyclamen persicum (Persian violet), Euphorbia pulcherrima (poinsettia), fruit tree, Hibiscus rosa-sinensis (Chinese hibiscus), Juglans regia (walnut), Liuguidambar formasana (Formosan sweetgum), Malus asiatica (Siberian crabapple), Malus domestica (apple tree), Malus spectabilis (Asiatic apple), Morus alba (white mulberry), Persea americana (avocado), Prunus armeniaca (apricot), Prunus pseudocerasus (Kwanzan Cherry), Prunus salicina (Chinese plum), Prunus serrulata (hill cherry), Pyrus sp. (pear tree), Robinia pseudoacacia (black locust), Rosa rugosa (rugosa rose) (rugosa rose), Rubus idaeus (red raspberry), ornamental plants, Tilia sp. (lime trees), Ulmus pumila (elm), Vitis fistulosum (common grape vine), Wisteria sinensis (Chinese wisteria), Ziziphus jujuba (jujube). Distribution. Shanxi (Wang 1981b; Pu et al. 2010); Datong, Daning, Gaoping, Jiaocheng, Jincheng, Lucheng, Qixian, Suozhou, Taigu, Xixian, Xiaoyi, Yanggao, Yonghe, Yuci, Yuncheng (Wang et al. 2010). Remarks. It became a main pest mite of fruit trees in northern China after 1960s (Wang 1981b).

Published as part of Ma, Min, Li, Sheng-Cai & Fan, Qing-Hai, 2015, Mites and ticks (Acari) in Shanxi Province, China: an annotated checklist, pp. 1-39 in Zootaxa 4006 (1) on page 26, DOI: 10.11646/zootaxa.4006.1.1, http://zenodo.org/record/289262