【摘要】 叶螨属Tetranychus Dufour是极为重要的农业害虫,其中包括我国的著名大害虫棉叶螨(棉红蜘蛛)T.urticae和山楂叶螨(山楂红蜘蛛)T.viennensis,它们严重地为害棉花、果树、蔬菜等主要经济作物,与农业生产的关系至为密切。本文介绍了叶螨属的形态特征,报道了作者初步采集到的7种叶螨:1.棉叶螨(棉红蜘蛛)T.urticae;2.红叶螨T.telarius;3.山楂叶螨(山楂红蜘蛛)T.viennensis;4.牡荆叶螨T.viticis,新种;5.上海叶螨T.shanghaiensis,新种;6.野生叶螨T.desertorum,中国新记录;7.曼陀罗叶螨T.ludeni,中国新记录。最后,对棉叶螨和红叶螨的学名和中文名称的确定,进行了讨论。更多还原

【Abstract】 This paper reports 7 species of Tetranychus Dufour collected from China.1. Teiranychus urticae Koch (Figs. 1-8)2. Teiranychus telarius (Linnaeus)3. Tetranychus viennensis Zacber (Figs. 9-13)4. Tetranychus viticis sp. nov. (Figs. 14-17)Female: Body 539μ in length, 333μ in width. Spine-like setae of tarsus of palpus as long as terminal sensillum. Microchaeta of posterior duplex setae more than one-half as long as macrochaeta. Microchaeta of anterior duplex setae about one-fourth to one-third as long as microchaeta of posterior duplex setae.Male: Body 353μ in length, 168μ in width. Knob of aedeagus small and sharply angled both anteriorly and posteriorly, but posterior angulation longer than anterior one.Holotype (?), Allotype (?), Paratypes 11(?) 1(?), Kiangsi, China, 1964. V. 23. (Ma En-pei), on Vitex sp. Deposited in the Museum of Natural History, Shanghai.5. Tetranychus shanghaiensis sp. nov. (Figs. 18-20)Female: Body 578μ in length, 382μ in width. Spine-like setae of tarsus of palpus as long as terminal sensillum.Male: Body 304μin length, 182μin width. Knob of aedeagus large, rounded anteriorly and pointed posteriorly, and with dorsal surface angulate. Spine-link setae of tarsus of palpus as long as terminal sensillum.Holotype (?), Allotype (?), Paratypes 7 (?), 1(?), 2 nymphs, Shanghai, China, 1963. Ⅷ. 7. (Yuan I-lan), on Rosa chinensis; Paratypes 9(?), 2(?), Shanghai, 1963. Ⅷ. 7, on Prunus persica; 1(?), 2(?), 1 nymph, Shanghai, 1964. X. 26, on Zantedeschia aethiopica. Deposited in the Museum of Natural History, Shanghai.6. Tetranychus desertorum Banks, 1900 (Figs. 21-27)New to China, collected from Shanghai and Kiangsi, on Cineraria cruenta. 1. Tetranychus ludeni Zacher, 1913 (Fig. 28)New to China, collected from Shanghai, on Datura stramonium, Artemisia stelle-riana, Pelargonium hortorum.更多还原