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International Journal of
Entomology Research
ARCHIVES
VOL. 10, ISSUE 2 (2025)
Aquatic-insects, their biodiversity, importance and conservation: A systematic review
Authors
Shubhangi S Bharti, S M Yeole
Abstract
A vital role played by Aquatic-Insects in maintaining a balance of ecosystem, contributing to nutrient-cycling, water quality monitoring, and ecological stability. India, a mega-diverse nation, harbors approximately 5,000 recorded aquatic insect species, significantly influencing wetland biodiversity. These insects exhibit various morphological and physiological adaptations, including specialized respiration mechanisms such as air tubes, gill respiration, and plastrons, to thrive in aquatic environments. The evolutionary history of Aquatic-Insects traces back to the Paleozoic era, with eleven taxonomic orders comprising both fully aquatic and semi-aquatic species. Functional feeding groups viz. filter feeders, predators, scrapers, and shredders, enhance aquatic ecosystems by decomposing organic matter and supporting food chains. Aquatic-Insects also serve as bioindicators, reflecting the health of freshwater ecosystems, and are employed in biomonitoring programs to assess environmental changes. However, anthropogenic factors such as industrial pollution, climate change, pesticide runoff, and habitat destruction threaten their populations. Conservation efforts emphasize habitat restoration, improved land-use practices, and biodiversity awareness to mitigate these threats. Furthermore, Aquatic-Insects have societal benefits, including their role in fishery resources, forensic investigations, weed control, and disease vector management. Despite their ecological significance, there is a declining number of trained aquatic entomologists, highlighting the need for renewed interest in aquatic insect research. This scientific review underscores the vital role of aquatic-insects in ecological and sustainability with respect to environment, emphasizing the necessity of conservation strategies and advanced biomonitoring techniques to protect their diverse populations.
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Pages:103-111
How to cite this article:
Shubhangi S Bharti, S M Yeole "Aquatic-insects, their biodiversity, importance and conservation: A systematic review". International Journal of Entomology Research, Vol 10, Issue 2, 2025, Pages 103-111
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