Dietary effects on body weight of predatory mites (Acari, Phytoseiidae)
Date
2015-08Metadata
Show full item recordAbstract
Pollen is offered as alternative or supplementary food for predacious mites; however, it may vary in its nutritional value. Body weight appears a representative parameter to describe food quality. Thus, we assessed the body weight for adults of the generalist mites Amblyseius swirskii, Amblydromalus limonicus, and Neoseiulus cucumeris reared on 22, 12, and 6 pollen species, respectively. In addition, A. swirskii and A. limonicus was reared on codling moth eggs. In all mite species, female body weight was higher than that of males, ranging between 4.33 and 8.18 µg for A. swirskii, 2.56–6.53 µg for A. limonicus, and 4.66–5.92 µg for N. cucumeris. Male body weight ranged between 1.78 and 3.28 µg, 1.37–3.06 µg, and 2.73–3.03 µg, respectively. Nutritional quality of pollen was neither consistent among the mite species nor among sex, revealing superior quality of Quercus macranthera pollen for females of A. swirskii and Tulipa gesneriana pollen for males, Alnus incana pollen for females of A. limonicus and Aesculus hippocastanum pollen for males, and Ae. hippocastanum pollen for both sexes of N. cucumeris. The results are discussed against the background of known or putative pollen chemistry and mite’s nutritional physiology.
Citation
Goleva, Irina, Esteban C. Rubio Cadena, Nar B. Ranabhat, Caroline Beckereit, and Claus P. W. Zebitz. "Dietary effects on body weight of predatory mites (Acari, Phytoseiidae)." Experimental and Applied Acarology 66, no. 4 (August 2015): 541-553. DOI:https://dx.doi.org/10.1007/s10493-015-9920-5.
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