Efficacy of pirimiphos-methyl, deltamethrin, spinosad and silicoSec against adults and larvae of Tenebrio molitor L. on wheat, barley and maize

Kavallieratos, Nickolas G.; Michail, Evangelos J.; Boukouvala, Maria C.; Nika, Erifili P.; Skourti, Anna

doi:10.1016/j.jspr.2019.06.012

Cited by 40 publications

(34 citation statements)

References 42 publications

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“…For example, for the same species, Saglam et al [54] found that old larvae (4-7 days) were more tolerant than young larvae (1-3 days) on concrete treated with chlorantraniliprole, thiamethoxam, and imidacloprid, under different combinations of biotic and abiotic conditions, since there were individuals which survived even after 14 days of exposure. A similar trend has been postulated for old vs. young larvae of other stored-product insects exposed to chlorfenapyr, i.e., T. granarium [42] and the yellow mealworm beetle, Tenebrio molitor L. (Coleoptera: Tenebrionidae) [55]. In a recent study, Thorat et al [56] reported that the application of sublethal doses of chlorfenapyr to a mixture of whole wheat flour with 5% Brewer's yeast allowed the development of exposed eggs of T. castaneum to adults and consequently the continuation of infection of flour.…”

Section: Discussionsupporting

confidence: 72%

How Is Fitness of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) Affected When Different Developmental Stages Are Exposed to Chlorfenapyr?

Skourti

Kavallieratos

Papanikolaou

2020

Insects

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Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) is an important pest of stored products. Insecticidal treatment is a common practice for the control of this notorious insect pest. Most studies are focused on the immediate and/or delayed mortality effects, while there are no data on the effects of insecticides on the population fitness. This study deals with the effect of chlorfenapyr on T. castaneum, investigating the cost of exposure of different developmental stages on population performance, by using life table statistics and a survival analysis method. For this purpose, eggs, larvae, and parental adult females of T. castaneum were exposed to chlorfenapyr and birth or death rates were calculated daily. The exposure of eggs and larvae to chlorfenapyr was detrimental for T. castaneum and they did not complete development. When parental females were exposed to chlorfenapyr, the progeny survival curve, biological features, as well as the life table parameters did not differ significantly compared to the control treatment. Thus, egg hatching, larval and pupal developmental periods, female and male longevities for the control treatment, and the progeny of the females that were exposed to chlorfenapyr were 4.66 and 4.76 days, 25.85 and 25.71 days, 5.00 and 5.26 days, 87.33 and 104.22 days, and 76.87 and 91.87 days, respectively. In addition, the mean values of the net reproductive rate, the intrinsic rate of increase, the mean generation time and the doubling time for the control treatment and the progeny of the parental females which were exposed to chlorfenapyr were 14.3 and 9.3 females/female, 0.038 and 0.028 females/female/day, 1.039 and 1.029, 70.0 and 76.9 days, and 18.5 and 24.9 days, respectively. We expect these results to have bearing on the management of T. castaneum, since the repeatedly insecticidal applications could be reduced in storage facilities.

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Section: Discussionsupporting

confidence: 72%

How Is Fitness of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) Affected When Different Developmental Stages Are Exposed to Chlorfenapyr?

Skourti

Kavallieratos

Papanikolaou

2020

Insects

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“…The high toxicity of pirimiphos-methyl has been reported for several other insects, including the rice weevil Sitophilus oryzae (Linneaus) (Coleoptera, Curculionidae) [ 53 ], the wheat weevil Sitophilus granaries (Linneaus) (Coleoptera, Curculionidae), and the khapra beetle Trogoderma granarium (Everts) (Coleoptera, Dermestidae) [ 54 ]. It also causes high mortality to small larvae of the tenebrionid Tenebrio molitor (Linneaus) (Coleoptera, Tenebrionidae) [ 55 ]. Additionally, it has been demonstrated that this chemical can have long-lasting effects on the red flour beetle Tribolium castaneum (Herbst) (Coleoptera, Tenebrionidae), with parental exposure affecting the fitness of the progeny, in particular when contact exposure duration was increased [ 56 ].…”

Section: Discussionmentioning

confidence: 99%

Differences in the Susceptibility to Commercial Insecticides among Populations of the Lesser Mealworm Alphitobius diaperinus Collected from Poultry Houses in France

Renault

Colinet

2021

Insects

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The control of insect pests often relies on the recurrent application of insecticides. This is the case for the lesser mealworm, Alphitobius diaperinus, an invasive beetle infesting poultry farms. There is evidence that A. diaperinus can develop resistance to several insecticides. Evaluation of such resistance has never been conducted in France, despite the beetle’s presence since the 1970s. We assess insecticide susceptibility in 10 populations from French poultry farms and compare patterns with two susceptible populations. Adults are subjected to short-term exposures (4 h) to four commercial insecticides and their recovery is assessed. Temporal survival also is scored during constant exposures for seven days. Clear-cut differences among the farm populations are found. Except for three populations that have patterns similar to those of the two susceptible populations, all the other farm populations have a much greater capacity to recover and survive insecticide exposures, especially to pyrethroid-based formulations. Three populations in particular even exhibit clear signs of resistance to pyrethroids, with median lethal times more than 10-fold superior to values of the susceptible population. No insect in any population recovers from the pirimiphos-methyl exposure, and all beetles are apparently dead after 15 h. Our results demonstrate the existence of resistant populations to pyrethroids in Brittany France.

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“…Earlier research has revealed that the adult stage is the most susceptible life stage of T. molitor . For example, Kavallieratos et al [ 37 ] found that when 0.504 ppm deltamethrin, 5 ppm pirimiphos-methyl, 1000 ppm silicoSec (which is a diatomaceous earth (DE)), and 1 ppm spinosad were applied on stored wheat as grain protectants, high adult mortality rates were achieved (92.2%, 100%, 100%, and 94,4%, respectively), while they caused moderate larval mortality (10.0%, 71.1%, 43.3%, and 28.9%, respectively). Apart from the wheat, barley and maize have also been tested on the same formulations as grain protectants, and the results followed the same pattern, with larvae being more tolerant than adults.…”

Section: Discussionmentioning

confidence: 99%

“…Tribolium confusum and T. castaneum were cultured on wheat flour and 5% brewer’s yeast, and T. molitor on a combination of oat bran and potato slices for additional moisture [ 61 ], at 30 °C, 65% relative humidity, and continuous darkness [ 37 , 62 , 63 ]. The founding colonies were acquired from storage facilities in Greece.…”

Section: Methodsmentioning

confidence: 99%

“…The two Tribolium species were maintained in the Laboratory of Agricultural Zoology and Entomology, Agricultural University of Athens, since 2003, and T. molitor since 2014. For the tests, unsexed adults <2 weeks old, and larvae that were 3rd–4th instar old (for T. confusum and T. castaneum ) and 10–14 mm long (for T. molitor ) were used [ 37 , 62 ].…”

Section: Methodsmentioning

confidence: 99%

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Developing a Hazomalania voyronii Essential Oil Nanoemulsion for the Eco-Friendly Management of Tribolium confusum, Tribolium castaneum and Tenebrio molitor Larvae and Adults on Stored Wheat

et al. 2021

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Most insecticides commonly used in storage facilities are synthetic, an issue that generates concerns about food safety and public health. Therefore, the development of eco-friendly pest management tools is urgently needed. In the present study, a 6% (w/w) Hazomalania voyronii essential oil-based nanoemulsion (HvNE) was developed and evaluated for managing Tribolium confusum, T. castaneum, and Tenebrio molitor, as an eco-friendly wheat protectant. Larval and adult mortality was evaluated after 4, 8, and 16 h, and 1, 2, 3, 4, 5, 6, and 7 days, testing two HvNE concentrations (500 ppm and 1000 ppm). T. confusum and T. castaneum adults and T. molitor larvae were tolerant to both concentrations of the HvNE, reaching 13.0%, 18.7%, and 10.3% mortality, respectively, at 1000 ppm after 7 days of exposure. However, testing HvNE at 1000 ppm, the mortality of T. confusum and T. castaneum larvae and T. molitor adults 7 days post-exposure reached 92.1%, 97.4%, and 100.0%, respectively. Overall, the HvNE can be considered as an effective adulticide or larvicide, depending on the target species. Our results highlight the potential of H. voyronii essential oil for developing green nanoinsecticides to be used in real-world conditions against key stored-product pests.

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Efficacy of pirimiphos-methyl, deltamethrin, spinosad and silicoSec against adults and larvae of Tenebrio molitor L. on wheat, barley and maize

Cited by 40 publications

References 42 publications

How Is Fitness of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) Affected When Different Developmental Stages Are Exposed to Chlorfenapyr?

How Is Fitness of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) Affected When Different Developmental Stages Are Exposed to Chlorfenapyr?

Differences in the Susceptibility to Commercial Insecticides among Populations of the Lesser Mealworm Alphitobius diaperinus Collected from Poultry Houses in France

Developing a Hazomalania voyronii Essential Oil Nanoemulsion for the Eco-Friendly Management of Tribolium confusum, Tribolium castaneum and Tenebrio molitor Larvae and Adults on Stored Wheat

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