Tetranychus urticae Koch 1836

170. Tetranychus urticae Koch, 1836

Host/Habitat. Aesculus chinensis (Chinese horse chestnut), Ailanthus altissima (ailanthus), Althaea rosea (common hollyhock), Amaranthus spinosus (spiny amaranth), Arachis hypogaea (peanut), Asparagus cochinchinensis (Chinese asparagus), Broussonetia papyrifera (paper mulberry), Calystegia hederacea (Japanese false bindweed), Canna indica (saka siri), Cannabis sativa (hemp), Capsicum frutescens (peppers), Carica papaya (papaya), Celosia cristata (cockscomb), Cephalanoptos segetum (small thistle), Citrullus vulgaris (watermelon), Chelidonium majus (celandine), Cleome spinosa (spiny spiderflower), Cryptomeria fortunei (Japanese cedar), Cucumis melo (muskmelon), Cucumis sativus (garden cucumber), Cucurbita moschata (squash), Cynodon dactylon (couch grass), Datura stramonium (Jimson weed), Dianthus caryophyllus (carnation), Digitaria sanguinalis (summer grass), Fatoua villosa (mulberry weed), Ficus carica (common fig), flower, fruit tree, Fragaria ananassa (strawberry), fruit tree, Gardenia jasminoides (gardenia), Glechoma sp. (ground ivy), Gossypium hirsutum (upland cotton), grass root, Gynura japonica (Japanese Purple Passion), Helianthus annuus (common sunflower), Helianthus sp. (sunflower), Hemerocallis citrine (daylily), Hemerocallis minor (daylily), Hibiscus mutabilis (Confederate rose), Hibiscus rosa-sinensis (Chinese hibiscus), Hibiscus syriacus (rose-ofsharon), Humulus scandens (hops), Impatiens balsamina (garden balsam), Ipomoea batatus (sweet potato), Jasminum sambac (Arabian jasmine), Juglans regia (walnut), Kalopanax septemlobus (prickly castor oil tree), Koelreuteria paniculata (pride of India or golden rain tree), Lactuca sativa (lettuce), leaf litter, Leonurus heterophyllus (Leonurus japonicus), Liquidambar formosana (Chinese sweet gum), Lonicera japonica (Japanese honeysuckle), Locusta sp. (locust), Luffa cylindrical (sponge gourds), Malus domestica (apple tree), Manihot esculenta (cassava), Matthiola incana (hoary stock), Medicago sativa (alfalfa), Mirabilis jalapa (four o'clock), Morus alba (White mulberry), Musa acuminata (banana), Nicotiana tabacum (common tobacco), ornamental plants, Osmanthus iragrans (fragrant olive), Paeonia lactiflora (peony), Pharbitis nil (picotee morning glory), Phaseolus vulgaris (common bean), Pharbitis purpurea (common morning glory), Philadelphus incanus (shan mei hua), Philadelphus sericanthus (Philadelphus coronarius var. chinensis), Polygonum hydropiper (water-pepper), Polygonum pubescens (Polygonum flaccidum), Populus sp. (poplar), Portulaca oleracea (common purslane), Prunus armeniaca (apricot), Prunus mume (Chinese plum), Prunus persica (peach), Prunus pseudocerasus (Kwanzan cherry), Prunus serrulata (hill cherry), Psidium guajava (common guava), Pyrus sp. (pear tree), Quamoclit pennata (Ipomoea quamoclit), Raphanus sativus (radish), Ricinus communis (castor bean), Robinia pseudoacacia (black locust), Rosa chinensis (China rose), Rosa rugosa (rugosa rose), Rosa sp. (wild rose), Rubus corchorifolius, Rubus palmatus, Rubus shinkoensis, Saluia splendens (scarlet sage), Sesamum indicum (sesame), Setaria italica (foxtail millet), Setaria viridis (green foxtail), soil under furit tree, Solanum melongena (eggplant), Sophora japonica (Chinese scholar), Sorghum vulgare (jowar), Stellaria media (chickweed), Stellaria sp. (stitchwort), Syringa sp. (lilac), Taraxacum mongolicum (dandelion), tree bark, Tropaeolum majus (nasturtium), Ulmus pumila (Siberian elm), vegetables, Vicia faba (broad bean), Vigna unguiculata (cowpea), Viola yedoensis, Vitis fistulosum (common grape vine), Vitex nrgundo (five-leaved chaste tree), weed, Xanthium strumarium (rough cocklebur), Zea mays (corn), Zea sp. (corn), Ziziphus jujuba (jujube).

Distribution. Jinci (Qian & Yuan 1980; Ma et al. 1984); Jinzhong (Ma et al. 1984; Zhang et al. 2006); Shanxi (Wang 1981b; Chen 1999; Pu et al. 2010; Wu 2000; Pu et al. 2010, Wang et al. 2010; Hong 2013); Taiyuan (Ma et al. 1984); Xinzhou (Qian & Yuan 1980; Zhang et al. 2006); Xiaxian (Qian & Yuan 1980; Ma et al. 1984; Zhang et al. 2006); Yuncheng (Qian & Yuan 1980; Zhang et al. 2006; Liu et al. 2010).

Remarks. Wang and Liu (1953) recorded this species as Tetranychus bimaculatus which is a junior synonym of Tetranychus urticae. Tetranychus cinnabarinus (Boisduval, 1867) has long been treated as a species until Auger et al. (2013) who synonymized it with Tetranychus urticae.

Trombiculidae Ewing, 1929 (16 species in 12 genera)