Physical methods and hydrated lime for management of lesser mealworm

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Abstract

The stability of in the modern poultry industry has been favored the proliferation of insect pests. In this scenario, Alphitobius diaperinus (Panzer, 1797) (Coleoptera: Tenebrionidae), commonly known as lesser mealworm, emerges as major cosmopolitan insect infesting poultry litter. In this sense, the objective of this study was to evaluate the factors hydrated lime, temperature and humidity in the poultry litter on the A. diaperinus mortality under laboratory conditions. Laboratory bioassays were performed, simulating the poultry environment with litter in each experimental unit, with the addition of adults and larvae of A. diaperinus. The response variable was mortality at seven and 10 days after installation of the experiments. The addition of hydrated lime in the poultry litter at a dosage of 400g m-2 promoted partial mortality of the adult population (35.62%±2,74) and larvae (45.62%±1,75) of A. diaperinus. The moisture in the litter, regardless of percentage, did not cause signifi cant mortality of adults of A. diaperinus. The temperature in the litter at 45°C caused total mortality of adults and larvae of A. diaperinus at the conditions studied.

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Wolf, J., Gouvea, A. de, Silva, E. R. L. da, Potrich, M., & Appel, A. (2014). Physical methods and hydrated lime for management of lesser mealworm. Ciencia Rural, 44(1), 161–166. https://doi.org/10.1590/s0103-84782014000100026

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