Insecticide Susceptibility of the Brown Planthopper and the White-backed Planthopper Collected from Southeast Asia

Endo, Shozo; Tsurumachi, Masaichi

doi:10.1584/jpestics.26.82

Cited by 55 publications

(30 citation statements)

References 2 publications

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“…The decreasing trend in insecticide usage may have resulted in a relaxation of selection pressure for resistant phenotypes among the country's BPH populations. Indeed, our results confirm past findings that BPH populations collected in the Philippines generally exhibit low LD 50 values when tested against fipronil, imidacloprid and fenobucarb (Nagata et al, 2002;Matsumura et al, 2008;Endo and Tsurumachi, 2001) indicating the absence of increased resistance against these active ingredients. Our results serve as an update to the insecticide susceptibility status of BPH populations in the Philippines and provide baseline information for future studies.…”

Section: Discussionsupporting

confidence: 91%

“…The BPH populations collected in the Philippines were shown to be relatively susceptible to imidacloprid, fipronil and fenobucarb when compared to populations collected from Japan, China, Vietnam and Taiwan (Endo and Tsurumachi, 2001;Matsumura et al, 2008;Nagata et al, 2002). The LD 50 values reported for various Asian BPH populations are summarized in Table 1 to provide a historical reference for our work.…”

Section: Introductionmentioning

confidence: 99%

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Susceptibility of Nilaparvata lugens (Hemipteran: Delphacidae) populations in the Philippines to insecticides

2015

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Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Susceptibility of Nilaparvata lugens (Hemipteran: Delphacidae) populations in the Philippines to insecticides

2015

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“…Chemical control remains a major method in integrated pest management (IPM) because it is quick, efficient, easy to use, cost-effective, amendable to practice, reliable and effective (Endo and Tsurumachi 2001;Zhao 2000). Pesticides are designed to be toxic to target pests.…”

Section: Introductionmentioning

confidence: 99%

Effects of imidacloprid on the orientation behavior and parasitizing capacity of Anagrus nilaparvatae, an egg parasitoid of Nilaparvata lugens

Liu¹,

Bao²,

Shi³

et al. 2010

BioControl

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Anagrus nilaparvatae (Pang et Wang) (Hymenoptera: Mymaridae), is an egg parasitoid of rice planthoppers, Nilaparvata lugens (Stål) (Homoptera: Delphacidae). This study evaluated effects of the insecticide imidacloprid on orientation behavior and parasitizing capacity of A. nilaparvatae. Sub-lethal concentrations of imidacloprid (LC 20 and LC 10 ) disrupted the foraging ability of A. nilaparvatae exposed to imidacloprid through contact or oral routes. Some survivors did not respond to volatiles from N. lugensinfested plants. Responsive individuals were equally attracted to volatiles from N. lugens-infested and healthy plants. Volatiles emitted from rice plants treated with a low concentration of imidacloprid were more attractive to A. nilaparvatae than those from plants treated with a high concentration of imidacloprid. Parasitism of N. lugens by A. nilaparvatae that survived contact with sub-lethal concentrations of imidacloprid did not decrease significantly. When A. nilaparvatae were fed imidacloprid-honey mixture, parasitism rates were 1.49% and 0%, respectively, significantly lower than those of the control (9.58%). Parasitism of N. lugens eggs in high concentration of imidacloprid treated rice plants by A. nilaparvatae decreased significantly. These effects involving disturbed foraging ability and reduced parasitizing capacity of A. nilaparvatae indicated that imidacloprid could decrease the performance of this parasitoid.

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“…Insecticides have been extensively used to control N. lugens (Endo and Tsurumachi, 2001;Yoo et al, 2002), resulting in the development of resistance in different countries and areas (Nagata, 1982;Gao et al, 1987;Hirai, 1993). For example, imidacloprid was used to control this pest for more than 10 years in China, usually in several forms, such as 70%, 25%, 10% (WP), 20 g/l, 100 g/l (SL) et al Farmers often applied imidacloprid to every generation of N. lugens to prevent its outbreak in many rice-growing areas in China.…”

Section: Introductionmentioning

confidence: 99%

Sublethal effects of nitenpyram on life-table parameters and wing formation of Nilaparvata lugens (Stål) (Homoptera: Delphacidae)

Zhang

Yuan

Liu

et al. 2010

Appl. Entomol. Zool.

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The Nilaparvata lugens (Stål) is a major rice pest in Asia. Nitenpyram is a novel neonicotinoid insecticide developed by Takeda Chemical Industry Co., Ltd. The effects of sublethal concentration (LC 30 ) of this insecticide on life-table parameters and wing formation of N. lugens were studied in the laboratory. The results showed that nitenpyram could reduce the fecundity of N. lugens to a great extent and demonstrated further activity against this pest in addition to direct toxicity. The fecundity (eggs per female) of N. lugens treated with a sublethal concentration of nitenpyram was 75.4% of the control in macropterous cohorts, and 69.8% in brachypterous cohorts. A sublethal concentration of nitenpyram showed the significant induction of macropterous adults in both macropterous and brachypterous cohorts, which are important in the control of N. lugens, particularly in the prediction of emigrating populations in newly colonized areas.

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Insecticide Susceptibility of the Brown Planthopper and the White-backed Planthopper Collected from Southeast Asia

Cited by 55 publications

References 2 publications

Susceptibility of Nilaparvata lugens (Hemipteran: Delphacidae) populations in the Philippines to insecticides

Susceptibility of Nilaparvata lugens (Hemipteran: Delphacidae) populations in the Philippines to insecticides

Effects of imidacloprid on the orientation behavior and parasitizing capacity of Anagrus nilaparvatae, an egg parasitoid of Nilaparvata lugens

Sublethal effects of nitenpyram on life-table parameters and wing formation of Nilaparvata lugens (Stål) (Homoptera: Delphacidae)

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