Morphometric study of Tetranychus urticae (Acariformes: Tetranychidae) in Ziarat district, Baluchistan, Pakistan
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Morphometric study of Tetranychus urticae (Acariformes: Tetranychidae) in Ziarat district, Baluchistan, Pakistan
Abstract
Tetranychus urticae is one of the most important economic pest feeds on a wide range of plants. Our research concerns with identification and morphometric studies of collected Tetranychid female mites. Collection was made at the interval of two distinct peak occurrences, one in June and the other in the mid-autumn from apple orchards (Malus domestica). Mites were isolated by adopting Sieve and Berlese funnel methods from infested leaves. Morphometric measurements were examined under camera fitted Leica microscope (LM) and electron micrographs were taken by Scanning electron microscope (SEM). Black spots on dorsal side of the body are the main particular and distinguishable identification feature for comparison with other mite species of family Tetranychidae. Wavy cuticle presence in the genital region was the prominent feature that conformed that all collected specimens were females. It was concluded that measurements taken by SEM found more understandable and accurate to study morphology of female mites than LM.
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