What is the most suitable native bee species from the Neotropical region to be proposed as model-organism for toxicity tests during the larval phase?
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Data
2020-10-01
Autores
Rosa-Fontana, Annelise [UNESP]
Dorigo, Adna Suelen [UNESP]
Galaschi-Teixeira, Juliana Stephanie
Nocelli, Roberta C.F.
Malaspina, Osmar [UNESP]
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Resumo
Currently, Brazil has a full framework for pesticide risk assessment established for Apis mellifera, based on the North American approach. However, the use of Apis mellifera as model-organism as a surrogate for Brazilian native species of stingless bees has been questioned. Assessments on other stages of development than adult individual are essential. Our study aimed to standardize in vitro larval rearing method for the stingless bee species Scaptotrigona postica and Tetragonisca angustula, comparing the results to those obtained for M. scutellaris (previously described), for proposing the most suitable one for using in toxicological larval tests. We used the most efficient method for determining the toxicity of dimethoate on S. postica larvae. We presented the first comparative approach of responses to in vitro larval rearing methods among native bee species from Neotropical region, for use in risk assessment. Our results showed that S. postica was the most suitable native species to be proposed as model-organism. In addition, our results are also very useful for a ring test to validate the method, in accordance to OECD.
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In vitro larvae rearing method, Pesticides, Pollinators, Risk assessment, Stingless bees
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Environmental Pollution, v. 265.