Ontogenetic transfer of microplastics in natural populations of malaria mosquitoes in Western Siberia

IF 1.4 3区农林科学 Q2 ENTOMOLOGY

Entomologia Experimentalis et Applicata Pub Date : 2024-08-16 DOI:10.1111/eea.13509

Anastasia V. Simakova, Anna A. Varenitsina, Irina B. Babkina, Yulia V. Andreeva, Yulia A. Frank

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Abstract

The uptake, accumulation, and ontogenetic transfer of microplastics (MPs) in bloodsucking mosquitoes of the genus Anopheles, vectors of helminth and protozoa parasites in humans and animals, were studied under laboratory conditions. In the experiment, 2-μm-diameter fluorescent polystyrene spheres were counted in mosquitoes of all stages, from larvae to adults. Larvae from a natural population readily ingested MPs with food, accumulating on average 3.9 × 10⁶ particles per larva within 3 days. The concentration of MPs decreased significantly in mosquitoes during their transition from stage to stage. The average number of detected MPs attained 110 particles per pupa and 3.0 particles per adult. MP uptake by mosquitoes did not affect their survival, whereas the rate of metamorphosis in MP-consuming mosquitoes was slightly higher. Our data confirmed that MPs can be transferred from feeding larvae to non-feeding pupae and adult flying Anopheles mosquitoes from natural populations in aquatic ecosystems.

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微塑料在西西伯利亚疟疾蚊子自然种群中的遗传转移

在实验室条件下研究了吸血蚊子（疟蚊，人类和动物体内蠕虫和原生动物寄生虫的传播媒介）对微塑料（MPs）的摄取、积累和本体转移。在实验中，对从幼虫到成虫各个阶段的蚊子体内直径为 2μm 的荧光聚苯乙烯球进行了计数。自然种群中的幼虫很容易随食物摄入多孔质微粒，平均每只幼虫在 3 天内积累了 3.9 × 106 个微粒。在蚊子从一个阶段过渡到另一个阶段的过程中，MPs 的浓度明显下降。检测到的 MPs 平均数量达到每只蛹 110 个颗粒，每只成虫 3.0 个颗粒。蚊子对 MP 的吸收并不影响它们的存活率，而消耗 MP 的蚊子的变态速度略高。我们的数据证实，在水生生态系统的自然种群中，MP 可以从进食的幼虫转移到不进食的蛹和成虫。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Entomologia Experimentalis et Applicata 生物-昆虫学

CiteScore

3.90

自引率

5.30%

发文量

138

审稿时长

4-8 weeks

期刊介绍： Entomologia Experimentalis et Applicata publishes top quality original research papers in the fields of experimental biology and ecology of insects and other terrestrial arthropods, with both pure and applied scopes. Mini-reviews, technical notes and media reviews are also published. Although the scope of the journal covers the entire scientific field of entomology, it has established itself as the preferred medium for the communication of results in the areas of the physiological, ecological, and morphological inter-relations between phytophagous arthropods and their food plants, their parasitoids, predators, and pathogens. Examples of specific areas that are covered frequently are: host-plant selection mechanisms chemical and sensory ecology and infochemicals parasitoid-host interactions behavioural ecology biosystematics (co-)evolution migration and dispersal population modelling sampling strategies developmental and behavioural responses to photoperiod and temperature nutrition natural and transgenic plant resistance.