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<p>The house fly, <i>Musca domestica</i> L. is an important pest of livestock and humans, especially in subtropical and tropical regions worldwide. Efficacy of indoxacarb has been shown against a wide range of insects, including <i>M. domestica</i>. This study evaluated the impact of three concentrations of indoxacarb (LC<sub>10</sub>, LC<sub>30</sub> and LC<sub>50</sub>) on the population and biological parameters of a <i>M. domestica</i> strain. Results showed that pre-adult development was prolonged in the treated population with maximum duration observed in LC<sub>50</sub> treated population (13.88 days). Longevity of male and female <i>M. domestica</i> was the lowest in the LC<sub>50</sub> treated population (23.06 and 25.14 days, respectively). The pre-oviposition period (APOP) was maximum in the LC<sub>50</sub> treated population (3.71 days) while the value of total pre-oviposition period (TPOP) was the highest in the LC<sub>30</sub> treated population (21.12 days). The adults exposed to the LC<sub>50</sub> value of indoxacarb had reduced fecundity (42.00), net reproductive rate (<i>R</i><sub><i>o</i></sub> = 5.88), mean generation time (<i>T</i> = 21.66) and finite rate of increase (<i>λ</i> = 1.09). Similarly, age-specific maternity, age stage specific survival rate, age-stage reproductive values and age-stage life expectancy were higher in LC<sub>10</sub> and LC<sub>30</sub> treatments, while their values were lower in population that was treated with the LC<sub>50</sub> value of indoxacarb. The findings suggested that sub-lethal concentrations (LC<sub>10</sub>, LC<sub>30</sub>) of indoxacarb had a hormetic effects, while the higher concentration (LC<sub>50</sub>) had a non-hormetic effect on the biology of <i>M. domestica</i>.</p>

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Effects of Indoxacarb on life history traits and population performance of the house fly, Musca domestica

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月3日

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  • Muhammad Sohail Shahzad,
  • Nauman Sadiq,
  • Naeem Iqbal,
  • Hafiz Azhar Ali Khan,
  • Allah Ditta Abid,
  • Muhammad Nadir Naqqash

摘要

The house fly, Musca domestica L. is an important pest of livestock and humans, especially in subtropical and tropical regions worldwide. Efficacy of indoxacarb has been shown against a wide range of insects, including M. domestica. This study evaluated the impact of three concentrations of indoxacarb (LC10, LC30 and LC50) on the population and biological parameters of a M. domestica strain. Results showed that pre-adult development was prolonged in the treated population with maximum duration observed in LC50 treated population (13.88 days). Longevity of male and female M. domestica was the lowest in the LC50 treated population (23.06 and 25.14 days, respectively). The pre-oviposition period (APOP) was maximum in the LC50 treated population (3.71 days) while the value of total pre-oviposition period (TPOP) was the highest in the LC30 treated population (21.12 days). The adults exposed to the LC50 value of indoxacarb had reduced fecundity (42.00), net reproductive rate (Ro = 5.88), mean generation time (T = 21.66) and finite rate of increase (λ = 1.09). Similarly, age-specific maternity, age stage specific survival rate, age-stage reproductive values and age-stage life expectancy were higher in LC10 and LC30 treatments, while their values were lower in population that was treated with the LC50 value of indoxacarb. The findings suggested that sub-lethal concentrations (LC10, LC30) of indoxacarb had a hormetic effects, while the higher concentration (LC50) had a non-hormetic effect on the biology of M. domestica.