Analyse des effets, en particulier de la répulsivité, d'un pyréthrinoïde de synthèse, la deltaméthrine, sur les abeilles

Bos, Christian; Masson, C.

doi:10.1051/agro:19830607

Cited by 20 publications

(5 citation statements)

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“…1975a; Pike et al. 1982; Bos and Masson 1983). In the present study, however, it remains an open question as to whether the wasp’s avoidance of each insecticide was due to a volatile component of the insecticide itself, or to other insecticide formulation ingredients, such as the solvent, wetting agent or surfactant, or due to both types of volatile compounds.…”

Section: Discussionmentioning

confidence: 99%

Effects of insecticides on the foraging behaviour and survival of Cotesia vestalis, a larval parasitoid of the diamondback moth, Plutella xylostella

Kawazu¹,

Shimoda²,

Suzuki³

2010

Journal of Applied Entomology

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The effects of the insecticides etofenprox, malathion, diazinon, methomyl, alanycarb, clothianidin and emamectin benzoate on the foraging behaviour and survival of Cotesia vestalis (Hymenoptera: Braconidae), a larval parasitoid of the diamondback moth Plutella xylostella (Lepidoptera: Plutellidae) were investigated in the laboratory. The period required for C. vestalis females to reach P. xylostella‐infested Komatsuna (Brassica rapa) plants treated with etofenprox, methomyl or malathion was significantly longer than that to infested plants treated with emamectin benzoate or clothianidin; and the period to reach alanycarb or diazinon‐treated plants was intermediate between them. The period to reach emamectin benzoate‐ or clothianidin‐treated plants was not significantly different from that to distilled water‐sprayed plants, suggesting that etofenprox, methomyl and malathion have strong inhibitory effects on the flight response, whereas the inhibitory effects of alanycarb and diazinon are relatively weak. By contrast, emamectin benzoate and clothianidin showed no inhibitory effect. The time of residency on the clothianidin‐treated plants was significantly longer than that on other insecticide‐treated plants (etofenprox, methomyl, alanycarb, malathion or diazinon), with the time of residency on emamectin benzoate‐treated plants being intermediate between them. These results suggest that etofenprox, methomyl, alanycarb, malathion, and diazinon have a strong inhibitory effect on host‐searching behaviour, while emamectin benzoate and clothianidin have a relatively weak effect. Furthermore, the mortality of wasps after foraging on the clothianidin‐treated plants was significantly higher than after foraging on other insecticide‐treated plants (etofenprox, methomyl or malathion), with subsequent mortality on alanycarb‐, diazinon‐ and emamectin benzoate‐treated plants being intermediate between them. Our results suggest that subsequent mortality increases with decreased inhibitory effect on the foraging behaviour of C. vestalis.

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Section: Discussionmentioning

confidence: 99%

Effects of insecticides on the foraging behaviour and survival of Cotesia vestalis, a larval parasitoid of the diamondback moth, Plutella xylostella

Kawazu¹,

Shimoda²,

Suzuki³

2010

Journal of Applied Entomology

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“…Honeybees can also intoxicate the whole colony by bringing contaminated pollen and nectar back to the hive (Bos and Masson, 1983;Villa et al, 2000). However, the risk of any chemical transfer into the hive is greater with systemic insecticides (Waller et al, 1984).…”

Section: Introductionmentioning

confidence: 99%

Modes of honeybees exposure to systemic insecticides: estimated amounts of contaminated pollen and nectar consumed by different categories of bees

et al. 2005

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-The hazard posed to honeybees by systemic insecticides is determined by toxicity tests that are designed to study the effects of insecticides applied on the aerial parts of plants, but are not adapted to systemic substances used as soil or seed treatments. Based on the available data found in the literature, this paper proposes modes of honeybees exposure to systemic insecticides by estimating their pollen and nectar consumption. Estimates are given for larvae and for the categories of adults which consume the highest amounts ofpollen, the nurse bees, and -nectar, the wax-producing bees, the brood attending bees, the winter bees, and the foraging bees. As a case study, we illustrate these estimates with the example of imidacloprid because its concentrations in sunflower nectar and in sunflower and maize pollens of seed-dressed plants have been precisely determined, and because its levels of lethal, sublethal, acute, and chronic toxicities have been extensively investigated.Apis mellifera / systemic insecticide / exposure / imidacloprid / nectar / pollen

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“…It is possible that NMH deposits on the leaf surface may, as for some pyrethroids, have an irritant effect on the insect (e.g. Sassen, 1983;Rice et al, 1983;Bos & Masson, 1983). N.lugens may therefore be able to sense such surfacebound residues by means of labial (Foster et d., 1983a), and also possibly tarsal (Losel, unpublished results), chemosensory structures.…”

Section: Effect Of Wl 108477 On the Brown Planthopper Electrical Feedmentioning

confidence: 99%

Effects on the feeding behaviour of Nilaparvata lugens (Stål) of sublethal concentrations of the foliarly applied nitromethylene heterocycle 2‐nitromethylene‐1, 3‐thiazinan‐3‐yl‐carbamaldehyde

Goodman

1993

Physiological Entomology

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Abstract. An electrical recording technique, combined with simultaneous videofilming, was used to investigate the detailed feeding behaviour of Nilaparvata lugens (Stål) (Homoptera: Delphacidae) on rice. Phases of brief probing, of non‐feeding activities, such as walking and of sustained feeding were observed. Monitoring of electrical signals recorded during long, uninterrupted periods of contact between the insect and its host plant, revealed three pattern classes. Two clearly distinguishable wave‐like patterns represent the hopper sucking from xylem and phloem tissues. The third represents a ‘complex’ of signals believed to be associated with stylet penetration, salivation and sucking activities in non‐vascular tissues of the host plant. This recording method and simple counts of honeydew excretion activity were used to assess the effect on the feeding behaviour of N. lugens of a sublethal concentration of the nitromethylene heterocycle insecticide 2‐nitromethylene‐l, 3‐thiazinan‐3‐yl‐carbamaldehyde applied to rice. The treatment caused a general reduction in feeding activity. Analysis of the electrical trace revealed that phloem feeding was strongly inhibited. Since these effects were largely reversed on transferring hoppers from treated to untreated hosts, the test compound was considered to have an antifeedant rather than a conventional poisoning effect on the hoppers when applied at sublethal doses.

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Analyse des effets, en particulier de la répulsivité, d'un pyréthrinoïde de synthèse, la deltaméthrine, sur les abeilles

Cited by 20 publications

References 1 publication

Effects of insecticides on the foraging behaviour and survival of Cotesia vestalis, a larval parasitoid of the diamondback moth, Plutella xylostella

Effects of insecticides on the foraging behaviour and survival of Cotesia vestalis, a larval parasitoid of the diamondback moth, Plutella xylostella

Modes of honeybees exposure to systemic insecticides: estimated amounts of contaminated pollen and nectar consumed by different categories of bees

Effects on the feeding behaviour of Nilaparvata lugens (Stål) of sublethal concentrations of the foliarly applied nitromethylene heterocycle 2‐nitromethylene‐1, 3‐thiazinan‐3‐yl‐carbamaldehyde

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