Abstract
ABSTRACT One of the forms of integrated pest management is the rearing of insects using artificial diets. The Euborellia annulipes species has gained prominence for being voracious with its preys, demonstrating a potential for use in biological control programs. This study aimed to evaluate the biological development of the E. annulipes predator fed with artificial diets and E. kuehniella eggs. Newly hatched predator nymphs were separated into an experimental unit consisting of 5 insects, 10 replicates and 7 treatments. The instars duration, nymphal period and viability, postures, number of eggs per posture, period of pre-oviposition and egg incubation and egg viability were evaluated. There was no difference for the periods nymphal, pre-oviposition and incubation of E. annulipes eggs. Oviposition ranged from 23.8 to 73.0 eggs/posture, as a function of diet. Artificial diets based on E. kuehniella eggs can be used for rearing E. annulipes. However, reared eggs fed with rice flour should be avoided, because they reduce oviposition and influence the E. annulipes development.
Highlights
The biological control of pests, in recent years, has been widely used in Brazil, with significant examples in integrated pest management (Pinto et al 2005)
One of the tools within integrated pest management is the possibility of insect rearing with artificial diets, with the same characteristics as those found in nature, aiming at studies related to plant resistance to insects, bioassays with insecticides, production of natural enemies, nutritional requirements studies, production of sterile insects, pheromone and semiochemical tests, as well as educational purposes (Parra 2001)
Among the biological agents with appropriate characteristics to be inserted in integrated pest management programs, the Euborellia annulipes Lucas, 1847 (Dermaptera: Carcinophoridae) species has called a great attention, due to its high capacity of preying large numbers of prey and easiness of rearing it in the laboratory (Silva et al 2010a)
Summary
The biological control of pests, in recent years, has been widely used in Brazil, with significant examples in integrated pest management (Pinto et al 2005). One of the tools within integrated pest management is the possibility of insect rearing with artificial diets, with the same characteristics as those found in nature, aiming at studies related to plant resistance to insects, bioassays with insecticides, production of natural enemies, nutritional requirements studies, production of sterile insects, pheromone and semiochemical tests, as well as educational purposes (Parra 2001). Among the biological agents with appropriate characteristics to be inserted in integrated pest management programs, the Euborellia annulipes Lucas, 1847 (Dermaptera: Carcinophoridae) species has called a great attention, due to its high capacity of preying large numbers of prey and easiness of rearing it in the laboratory (Silva et al 2010a).
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