The olfactory responses of coccinellids to aphids on plants

Raymond, Ben; Darby, Alistair C.; Douglas, Angela E.

doi:10.1046/j.1570-7458.2000.00648.x

Cited by 19 publications

(21 citation statements)

References 17 publications

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“…bipunctata adults responded to a combined stimulus of host plant ( Vicia faba ) and aphid ( Aphis fabae ) and not to the control odour source which was the plant alone (Raymond et al 2000 ). Coccinella septempunctata adults responded to several sources of semiochemicals related to tea aphids, Toxoptera aurantii (rinses of aphid cuticle, honeydew and volatiles emitted from aphid -damaged tea shoots).…”

Section: Olfactionmentioning

confidence: 98%

Food Relationships

Hodek

Evans

2012

Ecology and Behaviour of the Ladybird Beetles (Coccinellidae)

154

129

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Section: Olfactionmentioning

confidence: 98%

Food Relationships

Hodek

Evans

2012

Ecology and Behaviour of the Ladybird Beetles (Coccinellidae)

154

129

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“…These predators are important predators of aphids and various sucking insect pests, actively moving in the environment in search of food by using visual and olfactory cues (Raymond et al 2000). Various authors reported that the Coccinellid predators use mostly olfactory cues to find the food source and induce response to volatiles released by host plants (Schaller and Nentwig 2000;Zhu and Park 2005).…”

Section: Interaction Between Insect Predators and Plant Volatilesmentioning

confidence: 99%

Recent Trends in the Olfactory Responses of Insect Natural Enemies to Plant Volatiles

Reddy

2011

Signaling and Communication in Plants

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The area of plant volatile signaling in multitrophic interactions has developed one of the fascinating and fastest growing fields of research. It has been reported that plant leaves generally release minor quantities of volatile compounds, but when a plant is damaged by insects, several more volatiles are released. Numerous studies have demonstrated the dynamic role of herbivoredamaged plants in the attraction of natural enemies (predators and parasitoids). Volatile plant compounds released in response to insect feeding serve as a chemical signal for herbivore natural enemies. Volatiles released by insect-damaged plants function as attractants and affect the behavior of the natural enemies of herbivorous insects. They also display diverse effects on insect behaviors and are also used as foraging cues by parasitoids and predators. After damaged by phytophagous insects, some host plants could attract parasitoids and predators as an indirect defense. They can also induce defense responses in adjacent plants. Trees of some species are reported to produce volatile signals that affect the behavior of natural enemies. A summary on the recent trends published since 2000 to date on the plant volatiles in relation to insect natural enemies was specified. The use of plant volatiles in integrated pest management programs was also discussed.

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“…Predators can be placed in four functional groups according to their dispersal ability and response to prey aggregations. Some predator species have the ability to effectively aggregate to prey patches through the use of olfactory cues (Raymond et al 2000), vision (Henaut et al 1999), or adapted movement patterns (Kareiva and Odell 1987). Furthermore, the body size of predators is a trait that is expected to be positively correlated with dispersal capacity (Roland andTaylor 1997, Holland et al 2005).…”

Section: Introductionmentioning

confidence: 99%

Spatial variability in ecosystem services: simple rules for predator‐mediated pest suppression

Bianchi

Schellhorn

Buckley

et al. 2010

Ecological Applications

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Agricultural pest control often relies on the ecosystem services provided by the predators of pests. Appropriate landscape and habitat management for pest control services requires an understanding of insect dispersal abilities and the spatial arrangement of source habitats for pests and their predators. Here we explore how dispersal and habitat configuration determine the locations where management actions are likely to have the biggest impact on natural pest control. The study focuses on the early colonization phase before predator reproduction takes place and when pest populations in crops are still relatively low. We developed a spatially explicit simulation model in which pest populations grow exponentially in pest patches and predators disperse across the landscape from predator patches. We generated 1000 computer-simulated landscapes in which the performance of four typical but different predator groups as biological control agents was evaluated. Predator groups represented trait combinations of poor and good dispersal ability and density-independent and density-dependent aggregation responses toward pests. Case studies from the literature were used to inform the parameterization of predator groups. Landscapes with a small nearest-neighbor distance between pest and predator patches had the lowest mean pest density at the landscape scale for all predator groups, but there can be high variation in pest density between the patches within these landscapes. Mobile and strongly aggregating predators provide the best pest suppression in the majority of landscape types. Ironically, this result is true except in landscapes with small nearest-neighbor distances between pest and predator patches. The pest control potential of mobile predators can best be explained by the mean distance between a pest patch and all predator patches in the landscape, whereas for poorly dispersing predators the distance between a pest patch and the nearest predator patch is the best explanatory variable. In conclusion, the spatial arrangement of source habitats for natural enemies of agricultural pest species can have profound effects on their potential to colonize crops and suppress pest populations.

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The olfactory responses of coccinellids to aphids on plants

Cited by 19 publications

References 17 publications

Food Relationships

Food Relationships

Recent Trends in the Olfactory Responses of Insect Natural Enemies to Plant Volatiles

Spatial variability in ecosystem services: simple rules for predator‐mediated pest suppression

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