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Induced Release of a Plant-Defense Volatile ‘Deceptively’ Attracts Insect Vectors to Plants Infected with a Bacterial Pathogen
The results suggest that host selection behavior of D. citri may be modified by bacterial infection of plants, which alters release of specific headspace volatiles and plant nutritional contents.
Biology and management of Asian citrus psyllid, vector of the huanglongbing pathogens.
Recent advances in the understanding of D. citri biology and behavior, pathogen transmission biology, biological control, and chemical control with respect to "Candidatus Liberibacter asiaticus" are discussed.
The Ambrosia Symbiosis: From Evolutionary Ecology to Practical Management.
The ambrosia beetle-fungus farming symbiosis is more heterogeneous than previously thought and there are also three types of pest damage: tree pathogen inoculation, mass accumulation on susceptible hosts, and structural damage.
Codling moth management and chemical ecology.
Pheromone-mediated mating disruption has become a commercially viable pest management technique and is used to control the codling moth, Cydia pomonella, a key insect pest of apple, on 160,000 ha worldwide.
Sequential Sympatric Speciation Across Trophic Levels
It is reported that the parasitic wasp Diachasma alloeum has formed new incipient species as a result of specializing on diversifying fly hosts, including the recently derived apple-infesting race of R. pomonella.
Subterranean Herbivore-induced Volatiles Released by Citrus Roots upon Feeding by Diaprepes abbreviatus Recruit Entomopathogenic Nematodes
Findings suggest that Swingle citrus roots release induced volatiles as an indirect defense in response to herbivore feeding, and that some of these inducedvolatiles function as attractants for entomopathogenic nematodes.
Constitutive and induced subterranean plant volatiles attract both entomopathogenic and plant parasitic nematodes
It appears, thus, that release of nematode attracting cues by citrus plants can cause ecological costs, and the plants appear to counteract against these costs, because constitutive release was found only in a cultivar that is resistant to phytopathogenic nematodes, while herbivore-induced release occurred in lines susceptible to pathogenic Nematode species.
Roles of Olfactory Cues, Visual Cues, and Mating Status in Orientation of Diaphorina citri Kuwayama (Hemiptera: Psyllidae) to Four Different Host Plants
Evidence is provided that D. citri uses olfactory and visual cues in orientation to host plants and the possibility of using plant volatiles in monitoring and management of this pest is suggested.
Behavioral and electrophysiological responses of the emerald ash borer, Agrilus planipennis, to induced volatiles of Manchurian ash, Fraxinus mandshurica
Investigating volatile emissions of Manchurian ash seedlings in response to feeding by the emerald ash borer, Agrilus planipennis, and to exogenous application of methyl jasmonate suggests that females may use induced volatiles in long-range host finding, while their role for males is unclear.
Quantifying Dispersal of Diaphorina citri (Hemiptera: Psyllidae) by Immunomarking and Potential Impact of Unmanaged Groves on Commercial Citrus Management
- D. Boina, W. Meyer, E. O. Onagbola, L. Stelinski
- Biology, MedicineEnvironmental entomology
- 30 July 2009
Data indicate frequent movement by adult D. citri between groves and suggest that unmanaged groves may act as refuge sites for D citri, leading to reinfestation of nearby managed groves.