Effects of two Insect Growth Regulators on the booklouse, Liposcelis bostrychophila

Büchi, R.

doi:10.1016/0022-474x(94)90193-7

Cited by 19 publications

(11 citation statements)

References 3 publications

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“…Nayak et al 4 also found that the three species above were extremely tolerant to the juvenile hormone analogue (JHA) methoprene. In contrast, Bucci10 reported that fenoxycarb was effective against L. bostrychophila . Thus, efficacy of insecticides for beetles and moths or even other psocid species is not necessarily a good predictor of efficacy for control of a particular psocid species.…”

Section: Introductionmentioning

confidence: 93%

Efficacy of grain protectants against four psocid species on maize, rice and wheat

Athanassiou

Arthur

Throne

2009

Pest Management Science

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Section: Introductionmentioning

confidence: 93%

Efficacy of grain protectants against four psocid species on maize, rice and wheat

Athanassiou

Arthur

Throne

2009

Pest Management Science

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“…are tolerant to many insecticides used as protectants, such as spinosad and DE (13,24). Also, L. bostrychophila cannot be easily controlled by some of the newer insecticides, such as spinosad (10), the pyrethroid deltamethrin (33), the insect growth regulators fenoxycarb and methoprene (8,19), and pyrethrins (9,27). Our results indicate that for complete (100%) mortality of T. confusum and L. bostrychophila adults, 10 ppm is required.…”

Section: Discussionmentioning

confidence: 89%

Abiotic and Biotic Factors Affect Efficacy of Chlorfenapyr for Control of Stored-Product Insect Pests

Kavallieratos

Athanassiou

Hatzikonstantinou

et al. 2011

Journal of Food Protection

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Laboratory bioassays were conducted to assess pyrole chlorfenapyr as a potential grain protectant against adults of Rhyzopertha dominica, Sitophilus oryzae, Prostephanus truncatus, Tribolium confusum, and Liposcelis bostrychophila. Factors such as dose (0.01, 0.1, 0.5, 1, 5, and 10 ppm), exposure interval (7 and 14 days), temperature (20, 25, and 30°C), relative humidity (RH; 55 and 75%), and commodity (wheat, maize, barley, and paddy rice) were evaluated. Progeny production was assessed after 74 days of exposure. For L. bostrychophila and T. confusum the increase of dose increased mortality. After 7 or 14 days of exposure, mortality was low at doses of ≤ 1 ppm and did not exceed 23 or 36%, respectively, for L. bostrychophila or 13 or 58%, respectively, for T. confusum. After 14 days of exposure, mortality of S. oryzae at 30°C and 75% RH was 82.2%. Mortality of P. truncatus was considerably higher than that of the other species. At 0.5 ppm, mortality exceeded 81% after 7 days of exposure and 91% after 14 days of exposure. Progeny production of L. bostrychophila was extremely high. Very few progeny were found for T. confusum. For S. oryzae, offspring emergence was high, except at 20°C and 55% RH. For P. truncatus, progeny production in the treated maize was not avoided, even at 10 ppm. In the case of S. oryzae, at 0.1 ppm and after 14 days of exposure, mortality in wheat was higher than in the other three commodities. For R. dominica, mortality was low at 0.1 and 1 ppm for paddy rice but reached 74.4% in barley after 14 days of exposure. For T. confusum, mortality was low at 0.1 and 1 ppm in all commodities. For progeny production counts, for S. oryzae or R. dominica, adult emergence was higher in paddy rice than in the other three commodities. Finally, overall T. confusum progeny was low. Chlorfenapyr efficacy varied remarkably among the combinations tested, and it may be a viable grain protectant in combination with other insecticides.

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“…The IGRs methoprene and fenoxycarb have been shown to have ovicidal effects and to drastically reduce the population growth and fertility of L. bostrychophila (Buchi 1994). In that investigation of these insecticides, psocids were held on food treated with these two IGRs.…”

Section: Discussionmentioning

confidence: 99%

“…have involved either direct exposure of immature and adult insects (Arthur 2008; Arthur and Campbell 2008) or an indirect method, whereby a concrete substrate was exposed to the aerosol, and then immature and adult beetles were placed on the substrate (Arthur 2010). The insect growth regulators (IGRs) methoprene and fenoxycarb have been shown to have ovicidal effects and to drastically reduce the population growth and fertility of Liposcelis bostrychophila Badonnel when added to psocid diet (Buchi 1994). Therefore, given the potential of IGRs and pyrethroids to cause high psocid mortality, the objectives of this study were to evaluate commercial pyrethroid and IGR aerosols for their efficacy against psocids of the genus Liposcelis using direct and indirect exposure methods, and to examine variation in the response of selected psocid species to these aerosols.…”

Section: Introductionmentioning

confidence: 99%

Susceptibility of Stored-Product Psocids to Aerosol Insecticides

Opit

Arthur

Throne

et al. 2012

Journal of Insect Science

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The efficacies of commercial methoprene and esfenvalerate aerosols for control of stored-product psocid pests were evaluated in simulated field studies. The efficacies of methoprene, esfenvalerate EC, the carrier Isopar-M™, and a combination of methoprene and esfenvalerate aerosols for control of Liposcelis decolor (Pearman) (Psocoptera: Liposcelididae) and Liposcelis entomophila (Enderlein) nymphs were assessed, and the effects of direct and indirect exposure of Liposcelis bostrychophila Badonnel, L. decolor, and Liposcelis paeta Pearman adults to esfenvalerate EC aerosol were evaluated. The greatest nymphal mortality attained was 76%, indicating that the four aerosols tested were ineffective against L. decolor and L. entomophila nymphs. In the direct and indirect exposure studies, the greatest adult mortalities attained for the three psocid species were 62 and 32%, respectively. Based on these data, esfenvalerate aerosol is ineffective for control of L. bostrychophila, L. decolor, L. entomophila, and L. paeta psocid species. This study shows that methoprene, esfenvalerate EC, and a combination of methoprene and esfenvalerate aerosols were ineffective against the four psocid species tested when applied at rates that are usually effective against other stored-product insect pests.

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Effects of two Insect Growth Regulators on the booklouse, Liposcelis bostrychophila

Cited by 19 publications

References 3 publications

Efficacy of grain protectants against four psocid species on maize, rice and wheat

Efficacy of grain protectants against four psocid species on maize, rice and wheat

Abiotic and Biotic Factors Affect Efficacy of Chlorfenapyr for Control of Stored-Product Insect Pests

Susceptibility of Stored-Product Psocids to Aerosol Insecticides

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