Residual Toxicity of Four Insecticides Used for Control of Citrus Thrips (Thysanoptera: Thripidae) on Three Beneficial Species in a Citrus Agroecosystem

Bellows, T. S.; Morse, J. G.; Hadjidemetriou, D.; Iwata, Yutaka

doi:10.1093/jee/78.3.681

Cited by 37 publications

(31 citation statements)

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“…In every case for which residue analysis was possible, the amount of dislodegable residue was closely related to the level of mortality observed. This is strong evidence that the causal agent in each case was the active ingredient, although other components of a formulation can appear to contribute to mortality in some cases (HAVERTY 1982;BELLOWS et al 1985).…”

Section: Discussionmentioning

confidence: 87%

“…Groups of ten leaf disks were placed on 25 cm square sponges, and each disk was surrounded by damp cellucotton. Leaf disks were provisioned with pollen as a food source and with a small paper disk refuge as described by BELLOWS et al (1985). Identical tests were conducted using leaves from untreated trees on each sample date.…”

Section: Bioassaysmentioning

confidence: 99%

“…Abbott, North Chicago, IL); and the inorganic compound cryolite (Kryocide 96 YO, 11.5 g[AI]/l, Pennwalt, Philadelphia, PA). Our approach was similar to that taken in previous studies (BELLOWS et al 1985;MORSE et al 1987;BELLOWS and MORSE 1988). The materials were applied on 14 April 1986 at commercial outside coverage rates (approximately 200 gallons/acre [1870 l/ha, 8.4 l/tree] at dilutions given above) using a hand-held sprayer on the University of California, Riverside, Citrus Experiment Station.…”

Section: Introductionmentioning

confidence: 99%

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Residual toxicity of pesticides used for control of lepidopteran insects in citrus to the predaceous mite Euseius stipulatus Athias‐Henriot (Acarina, Phytoseiidae)

Bellows

Morse

Gaston

1992

J Applied Entomology

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Fourteen compounds used for suppression of lepidopteran pests of citrus were applied in a commercial manner to citrus trees. Amounts of dislodegable residues, together with mortality and fertility of Euseius stipulatus Athias-Henriot confined on treated foliage, were monitored for up to 100 days post-treatment. Several materials had little effect on E. stipulutus after seven days post-treatment.These included cryolite, trichlorfon, naled, parathjon? chlorpyrifos, mevinphos, and a formulation of Bacillus thuvingiensis endotoxin. Carbosul an, thiodicarb, methomyl and two formulations of carbaryl caused mortality for up to 30 days. Fluvalinate and esfenvalerate caused the greatest mortalities for up to 60 days post-treatment. Mortality was correlated with amounts of dislodegable residue for each material tested. There was little effect on fertility by any compound. Materials and methods Field treatmentsThe pesticides used in this study were those most widely used against lepidopteran insects attacking citrus, together with a few compounds yet unregistered for this use. The materials used (together with their formulations, use rates and sources) were the pyrethroids esfenvalerate (Asana 1.9 EC, U.S.

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Section: Discussionmentioning

confidence: 87%

Section: Bioassaysmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Residual toxicity of pesticides used for control of lepidopteran insects in citrus to the predaceous mite Euseius stipulatus Athias‐Henriot (Acarina, Phytoseiidae)

Bellows

Morse

Gaston

1992

J Applied Entomology

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“…The complexity of host-parasitoid-pesticide interactions is introduced by parasitoid behavior ( Bartlett 1966, Croft 1977, pesticide residue chemistry, insect developmental physiology (Schoonees & Giliomee 1982, Flanders et al 1984, Bellows et al 1985, Bull & Coleman 1985, the variable genetic composition of parasitoid populations (Schoonees & Giliomee 1982, Rosenheim & Hoy 1986, and the impact of pesticides upon the host population (Waage et al 1985). A pesticide's toxic effects on the parasitoid are also complex.…”

mentioning

confidence: 99%

Sublethal Effects of Pesticides on the Parasitoid Aphytis melinus (Hymenoptera: Aphelinidae)

Rosenheim

Hoy

1988

Journal of Economic Entomology

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Sublethal effects of insecticides on the parasitoid Aphytis melinus DeBach were investigated. Longevity, daily rate of progeny production per female, and size and sex ratio of offspring were measured for parasitoids exposed to rates near the LC,;s of carbaryl, chlorpyrifos, dimethoate, malathion, and methidathion. Survivorsof the exposure to carbaryl exhibited no significantsublethal effects.Exposure to each of the organophosphorous materials reduced longevity by 73-85% and temporarily depressed progeny production. Chlorpyrifos also shifted the sex ratio of offspring toward more males. The strength and variability of sublethal effects found in this and other studies indicate that sublethal effects must be considered to evaluate accurately the selectivity of pesticides in favor of parasitoids. KEY WORDS Insecta, Aphytis melinus, biological control, integrated pest management H. J. Griffiths, personal communication). An additional factor possibly contributing to these apparently conflicting results is the variable sublethal effects of different insecticides. This possibility was

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“…Most ones have focused on immediate and acute toxicity of pesticide but a few studies have demonstrated the relationship between pesticide residue and mortality of exposed beneficial arthropods (Bellows et al 1985). Ghadamiary and Talebi (2002) reported side effects of four pesticides on 4th instar nymph of O. albidipennis in laboratory conditions using Drum-cell method in IOBC guideline.…”

Section: Discussionmentioning

confidence: 99%

Residual effects of four pesticides on the predatory bug,Orius albidipennisReut. (Hem.: Anthocoridae)

Kosari

Fazeli‐Dinan²

2016

Archives of Phytopathology and Plant Protection

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Residual effects of abamectin (0.02%), propargite (0.1%), dichlorvos (DDVP) (0.15%) and pymetrozine (0.15%) were determined on Orius albidipennis at laboratory conditions. Planted cucumbers were sprayed with the highest recommended concentrations of all insecticides and experimental treatments were monitored during 20 days based on the period of pesticides residues. On the first day after spraying, the greatest of mortality belonged to dichlorvos and pymetrozine (97 ± 1.22, 57 ± 3.1, respectively, p < 0.01), while abamectin and propargite had the highest mortality after four (44 ± 1.87 and 24 ± 2.91, respectively, p < 0.01) and eight (51 ± 2.91 and 17 ± 2.23, respectively, p < 0.01) days after spraying. At day 16th, post treatment, abamectin had the highest residual mortalities on O. albidipennis (15 ± 1.58, p < 0.01) and finally mortality results at the 20th day showed there is no significant difference between insecticides (p < 0.01).

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Residual Toxicity of Four Insecticides Used for Control of Citrus Thrips (Thysanoptera: Thripidae) on Three Beneficial Species in a Citrus Agroecosystem

Cited by 37 publications

References 0 publications

Residual toxicity of pesticides used for control of lepidopteran insects in citrus to the predaceous mite Euseius stipulatus Athias‐Henriot (Acarina, Phytoseiidae)

Residual toxicity of pesticides used for control of lepidopteran insects in citrus to the predaceous mite Euseius stipulatus Athias‐Henriot (Acarina, Phytoseiidae)

Sublethal Effects of Pesticides on the Parasitoid Aphytis melinus (Hymenoptera: Aphelinidae)

Residual effects of four pesticides on the predatory bug,Orius albidipennisReut. (Hem.: Anthocoridae)

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