Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/23129
Title: Surveys of 12 California crops for phytoseiid predatory mites show changes compared to earlier studies
Authors: Grafton-Cardwell, Elizabeth E. 
Bentley, Walter 
Bianchi, Mary 
Cave, Frances E. 
Elkins, Rachel 
Godfrey, Larry 
Gu, Ping 
Haviland, David 
Headrick, David 
Hoddle, Mark 
McMurtry, James 
Murrietta, Maria 
Mills, Nicholas J. 
Ouyang, Yuling 
Pickel, Carolyn 
Rill, Stephanie 
Stavrinides, Menelaos 
Varela, Lucia G. 
Major Field of Science: Agricultural Sciences
Field Category: Agriculture Forestry and Fisheries
Keywords: Phytoseiidae;Amblyseius Swirskii;Predatory Mites
Issue Date: 11-Jun-2020
Source: California Agriculture, vol. 74, no. 3, pp. 129 - 137
Volume: 74
Issue: 3
Start page: 129
End page: 137
Link: https://escholarship.org/uc/item/6cj7j2x7
Journal: California Agriculture 
Abstract: Phytoseiid mites are key predators in agricultural crops. However, not all species regulate pest populations below economic thresholds, and therefore knowledge of which species are associated with particular crops aids pest control recommendations. Surveys of 12 crops across six geographical regions of California demonstrated that phytoseiid species varied by crop and geographical location, with subtropical crops exhibiting the lowest species diversity and grape the greatest. The western predatory mite, Galendromus occidentalis, long cited as a dominant species in California crops, was not found to be the major species in most situations. Euseius stipulatus, a species introduced in the 1970s, was found in the surveyed crops in many areas of the state and appears to be displacing E. hibisci along the south coast.
URI: https://hdl.handle.net/20.500.14279/23129
ISSN: 21608091
Rights: Attribution-NonCommercial-NoDerivatives 4.0 International
Type: Article
Affiliation : UC Cooperative Extension 
Kearney Agricultural Research and Extension Center 
Cyprus University of Technology 
Publication Type: Peer Reviewed
Appears in Collections:Άρθρα/Articles

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