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Anais da Academia Brasileira de Ciências

Print version ISSN 0001-3765On-line version ISSN 1678-2690

Abstract

PAULA, DÉBORA P. et al. Artificial tritrophic exposure system for environmental risk analysis on aphidophagous predators. An. Acad. Bras. Ciênc. [online]. 2016, vol.88, n.3, pp.1569-1575. ISSN 1678-2690.  http://dx.doi.org/10.1590/0001-3765201620150883.

We evaluated an artificial tritrophic exposure system for use in ecotoxicological evaluations of environmental stressors on aphidophagous predators. It consists of an acrylic tube with a Parafilm M sachet containing liquid aphid diet, into which can be added environmental stressors. Immature Cycloneda sanguinea, Harmonia axyridis and Chrysoperla externa, and adult H. axyridis were reared on Myzus persicae. Larval and pupal development and survival of all species and reproductive parameters of H. axyridis were similar to published results. The system provides a suitable tritrophic exposure route, enables ex-ante evaluation of stressors, and improves the accuracy of the assessment.

Keywords : beneficial insects; biosafety; ecotoxicology; exposure routes.

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