Boudreaux, H.B. (1956) Revision of the two spotted spider mite (Acarina, Tetranychidae) complex, Tetranychus telarius (Linnaeus). Annals of the Entomological Society of America, 49, 43-49. Home/Search Document Not in Database Summary Related Articles |
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Using adult female morphological characters for differentiating .. - Zhang, al. (Correct)
....and there is significant intraspecific variation among populations on different host plants and from different geographic locations (e.g. van de Bund Helle 1960; Wang 1981) This has been extremely unfortunate because both species are economically very important throughout the world. Boudreaux (1956) first revived T. cinnabarinus as a distinct species and separated it from T. urticae using breeding experiments as well as morphological characters: A) the shape of dorsal integumentary lobes in the diamond shaped area between the third and fourth dorsal central setae on female opisthosoma, B) ....
....in separating T. urticae and T. cinnabarinus in their study. In addition, they showed that T. urticae females have 10 setae on tibia I but T. cinnabarinus has 10 13 setae (addition of up to three solenidia) on tibia I. The difference in this fourth character was also noted earlier by Keh (1952) Boudreaux (1956) and van de Bund and Helle (1960) but ignored by subsequent authors (e.g. Dupont 1979; Mollet Sevacherian 1984; Meyer 1987) who questioned and debated the value of characters A C for separating the two species. The value of leg setation in the classification of the Tetranychidae has been ....
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Boudreaux, H.B. (1956) Revision of the two spotted spider mite (Acarina, Tetranychidae) complex, Tetranychus telarius (Linnaeus). Annals of the Entomological Society of America, 49, 43-49.
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