Terminology of chemical releasing stimuli in intraspecific and interspecific interactions

Nordlund, Donald A.; Lewis, W. J.

doi:10.1007/bf00987744

Cited by 234 publications

(119 citation statements)

References 44 publications

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“…Semiochemicals are classified, not with respect to their chemical properties or source, but rather according to their ecological roles (Nordlund & Lewis, 1976;Dicke & Sabelis, 1988;Vet & Dicke, 1992). While pheromones are semiochemicals released by one individual and perceived by another of the same species, allelochemicals are perceived by individuals of a different species.…”

Section: The Detectability-reliability Problem and The Search For Chementioning

confidence: 99%

Chemical cues mediating aphid location by natural enemies

Hatano¹,

Kunert²,

Michaud³

et al. 2008

Eur. J. Entomol.

119

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Abstract. There is increasing evidence that chemical cues play a pivotal role in host selection by the natural enemies of aphids. We use Vinson's (1976) division of the host selection process into habitat location, host location and host acceptance for both parasitoids and predators and review what is known about the role of semiochemicals in aphid selection by natural enemies. For habitat location (i.e. detection of the host plant), volatiles emitted by plants after aphid attack have been described for a number of plant-aphid interactions. These synomones indicate not only the presence of an aphid host plant to the predator or parasitoid, but also the presence of aphids. Volatiles emitted from undamaged host plants are often attractive to aphid parasitoids, but less so for predators. Host location by the natural enemy on the food plant is guided by semiochemicals that mostly originate from the aphids, in particular aphid alarm pheromone, honeydew, or the smell of the aphid itself. Host acceptance is guided by contact chemicals for both predators and parasitoids. In parasitoids, host recognition may be based on visual cues or on contact chemicals on the aphid's cuticle, whereas host acceptance is ultimately based on as yet unknown substances within the aphid's hemolymph. While it appears that many predators and parasitoids are attracted to the same semiochemicals, synergistic and antagonistic interactions among chemical substances have only rarely been investigated. More research into model systems is needed, not only to identify important semiochemicals, but also to determine their range of attraction. Recent progress in the development of analytical techniques has created new opportunities to improve our understanding of the chemical ecology of aphid-natural enemy interactions in the coming years.

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Section: The Detectability-reliability Problem and The Search For Chementioning

confidence: 99%

Chemical cues mediating aphid location by natural enemies

Hatano¹,

Kunert²,

Michaud³

et al. 2008

Eur. J. Entomol.

119

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“…Because plant activities seriously affect predator-prey interactions, it is essential to view the three focal points mentioned above in a tritrophie context. ALLELOCHEMICAL TERMINOLOGY Nordlund and Lewis (1976) presented a semiochemical terminology that was developed at a time when interactions were almost exclusively studied in a bitrophic context. Various semiochemieat categories have been distinguished.…”

Section: Introductionmentioning

confidence: 99%

Plant strategies of manipulating predatorprey interactions through allelochemicals: Prospects for application in pest control

et al. 1990

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Abstract--To understand the role of allelochemicals in predator-prey interactions it is not sufficient to study the behavioral responses of predator and prey, One should elucidate the origin of the allelochemicals and be aware that it may be located at another trophic level. These aspects are reviewed for predator-prey interactions in general and illustrated in detail for interactions between predatory mites and herbivorous mites. In the latter system there is behavioral and chemical evidence for the involvement of the host plant in production of volatile allelochemicals upon damage by the herbivores with the consequence of attracting predators. These volatiles not only influence predator behavior, but also prey behavior and even the attractiveness of nearby plants to predators. Herbivorous mites disperse away from places with high concentrations of the volatiles, and undamaged plants attract more predators when previously exposed to volatites from infested conspecific plants rather than from uninfested plants. The latter phenomenon may well be an example of plant-to-plant communication. The involvement of the host plant is probably not unique to the predator-herbivore-plant system under study. It may well be widespread since it makes sense from an evolutionary point of view. If so, prospects for application in pest control are wide open. These are discussed, and it is concluded that crop protection in the future should include tactics whereby man becomes an ally to plants in their strategies to manipulate predator-prey interactions through allelochemicals.

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“…The term "semiochemical" (semeion = sign or signal in Greek) is used to describe a chemical or mixture of chemicals that can act as messengers in interactions among organisms (Nordlund & Lewis, 1976;Dicke & Sabelis, 1988;Vet & Dicke, 1992). It includes chemicals that mediate interactions among individuals within the same species, i.e., intraspecific communication (= pheromones), and those that mediate interactions among individuals belonging to different species, i.e., interspecific communication (= allelochemicals).…”

Section: Semiochemical-based Manipulationmentioning

confidence: 99%