CFE - Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal.
CESAM & Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal. The Center of Environmental and Marine Studies of University of Aveiro, Portugal.
Sci Total Environ. 2022 Sep 1;837:155712. doi: 10.1016/j.scitotenv.2022.155712. Epub 2022 May 4.
Climate change may interfere with the behavior of pesticides and organisms, influencing pesticides toxicity to non-target organisms like collembolans. Aiming to assess the representativeness of the standardized species F. candida to the Collembola group under different temperatures, four species of collembolans - Folsomia candida, Folsomia fimetaria, Proisotoma minuta and Sinella curviseta - were exposed to a new generation insecticide of Chlorantraniliprole, under the standardized temperature of 20 °C, and a temperature foreseeing a global warming scenario of 25 °C. Results showed that F. candida, F. fimetaria and P. minuta were sensitive to Chlorantraniliprole at both temperatures, while S. curviseta was insensitive to the insecticide concentrations up to 457 mg a.i./kg of soil, regardless of the temperature. The sensitivity of F. candida and P. minuta was significantly higher at 25 °C than at 20 °C, while F. fimetaria and S. curviseta remained equally sensitive/insensitive to both temperatures. Results suggest that F. candida can be representative of F. fimetaria under standard conditions but not for F. fimetaria under 25 °C nor for P. minuta and S. curviseta under both temperatures due to the higher sensitivity of F. candida. On the other hand, due to its higher sensitivity, F. candida can be used to define environmentally protective measures (at both test temperatures) but the use of additional Collembola species is recommended to avoid the definition of over-protective goals.
气候变化可能会干扰杀虫剂和生物的行为，影响杀虫剂对跳虫等非靶标生物的毒性。本研究旨在评估标准化物种 F. candida 在不同温度下对 Collembola 类群的代表性，将 4 种跳虫—— Folsomia candida、Folsomia fimetaria、Proisotoma minuta 和 Sinella curviseta——暴露于新一代杀虫剂氯虫苯甲酰胺中，标准化温度为 20°C，以及预测全球变暖情景下的温度为 25°C。结果表明，F. candida、F. fimetaria 和 P. minuta 在这两种温度下对氯虫苯甲酰胺均敏感，而 S. curviseta 对杀虫剂浓度在 457 mg a.i./kg 土壤以下不敏感，无论温度如何。F. candida 和 P. minuta 在 25°C 时的敏感性明显高于 20°C，而 F. fimetaria 和 S. curviseta 在两种温度下的敏感性/不敏感性保持不变。结果表明，F. candida 在标准条件下可以代表 F. fimetaria，但在 25°C 下不能代表 F. fimetaria，也不能代表 P. minuta 和 S. curviseta，因为 F. candida 的敏感性更高。另一方面，由于其更高的敏感性，F. candida 可用于定义环境保护措施（在两种测试温度下），但建议使用其他 Collembola 物种，以避免定义过度保护的目标。
