中国广叶螨属两新种记述(真螨目:叶螨科)
Two New Species of the Genus Eurytetranychus From China (Acarina:Tetranychidae)
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摘要: 广叶螨属Eurytetranychus Oudemans雌螨背面观阔椭圆形,背毛13对,有臂毛;腹面基节Ⅱ有刚毛2对,肛毛和肛后毛各2对;爪间突呈现简单的小爪状,微小;跗节上的双毛不典型,前后与后毛不紧靠,或者双毛缺如;气门沟呈简单的小球状。我国曾报导本属叶螨2种;榆广叶螨E.ulmi Wang,1977和列氏广叶螨E.recki Bagdasarian,1948(王慧芙,1977)。本文报导广叶螨属的两个新种,采自陕西和江西的榆树。模式标本均保存于上海农学院。Abstract: In the genus Eurytetranychus Oudemans,1931,two species have been recorded from China by E.ulmi Wang,1977,and E.recki Bagdasarian,1948.In this paper,two new species of the genus Eurytetranychus collected on Ulmus spp.are described.The type specimens are deposited in the Shanghai college of Agriculture.