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Seasonality and weather conditions jointly drive flight activity patterns of aquatic and terrestrial chironomids
VEBROVÁ, Lucie
Dispersal by flight is crucial for long-term survival of organisms inhabiting dynamic environments, especially small standing waters. Surprisingly, flight activity of the most abundant macroinvertebrate group in standing freshwater habitats, the Chironomidae, has rarely been studied, leaving a gap in our understanding of the environmental drivers of their dispersal activity. The goal of this study was to investigate flight activity of adult chironomids on diel and seasonal timescales in sandpit pools in the Czech Republic. We show that aquatic and terrestrial chironomids use partly alternating time windows for their flight and partly differ in their responses to weather conditions. We also compare our results to previous studies that analysed the impact of weather conditions on flight activity of aquatic insects.

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