Results 281 to 290 of about 190,019 (345)
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Outlook on Agriculture, 1974
Spider mites are a continuous potential danger in many crops, because of their ability to develop resistance to chemicals which initially give effective control. The predictive value of laboratory experiments with new chemicals appears to be rather limited.
M Van De Vrie, W Helle
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Spider mites are a continuous potential danger in many crops, because of their ability to develop resistance to chemicals which initially give effective control. The predictive value of laboratory experiments with new chemicals appears to be rather limited.
M Van De Vrie, W Helle
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Spider Mites Avoid Plants with Predators [PDF]
Experimental & Applied Acarology, 1999 While searching for food, prey can use cues associated with their predators to select patches with a reduced predation risk. In many cases, odours indicate the presence of both food and predators. Spider mites are known to use odours to locate food and mates, but also to avoid interspecific competitors. We studied the response of the two-spotted spider
Pallini, A., Janssen, A., Sabelis, M.W.
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Do spider mite‐infested plants and spider mite trails attract predatory mites?
Ecological Research, 2009AbstractWe questioned the well‐accepted concept that spider mite‐infested plants attract predatory mites from a distance. This idea is based on the preference demonstrated by predatory mites such as Phytoseiulus persimilis Athias‐Henriot (Acari: Phytoseiidae) for volatiles produced by spider mite‐infested plants in a closed environment (Y‐tube wind ...
Masahiro Osakabe, Shuichi Yano
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Mite Vaccinations for Sustainable Management of Spider Mites in Vineyards
Ecological Applications, 1997We have successfully released phytophagous Willamette mites into Zinfandel vineyards that have had chronic problems with the economically more damaging Pacific spider mites. These releases induced resistance in the grapevines, causing smaller populations of Pacific mites and higher berry sugar concentrations.
Richard Karban +2 more
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Spider Mites of Japan: Their Biology and Control
Experimental & Applied Acarology, 2000Spider mite biology and control in Japan were reviewed. Seventy-eight spider mite species of 16 genera (Family Tetranychidae) have been recorded in Japan. Several of the species recently described were separated from a species complex comprising strains with different ecological performance such as host range.
Tetsuo Gotoh +3 more
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Temperature and sex allocation in a spider mite
Oecologia, 2003Although temperature is the most important environmental factor regulating arthropod development and reproduction, its influence on sex allocation in haplodiploid arthropods remains largely unexplored. We investigated under laboratory conditions how maternal age and temperature mediate offspring sex ratio of the spider mite Tetranychus mcdanieli (Acari:
Michèle Roy +2 more
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Nature, 1970
The Arachnids An Introduction. By Keith R. Snow. Pp. 84. (Routledge and Kegan Paul: London, April 1970.) 25s boards; 14s paper.
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The Arachnids An Introduction. By Keith R. Snow. Pp. 84. (Routledge and Kegan Paul: London, April 1970.) 25s boards; 14s paper.
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How to visualize the spider mite silk? [PDF]
Microscopy Research and Technique, 2009 AbstractTetranychus urticae (Acari: Tetranychidae) is a phytophagous mite that forms colonies of several thousand individuals. Like spiders, every individual produces abundant silk strands and is able to construct a common web for the entire colony. Despite the importance of this silk for the biology of this worldwide species, only one previous study ...
Clotuche, Gwendoline +5 more
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Photoperiodic termination of diapause in spider mites [PDF]
Nature, 1977 TERMINATION of diapause in the spider mite Tetranychus urticae is considered to depend solely on a period of chilling, the so-called cold rest1–3. The minimal period of chilling required to reactivate a certain percentage of the overwintering population may vary between populations of different geographic origin4.
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Spider-Mite Problems and Control in Taiwan
Experimental & Applied Acarology, 2000Problems with spider mites first appeared in Taiwan in 1958, eight years after the importation of synthetic pesticides, and the mites evolved into major pests on many crops during the 1980s. Of the 74 spider mite species recorded from Taiwan 10 are major pests, with Tetranychus kanzawai most important, followed by T.
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