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Taxonomic features on Exuviae. A-Premental setae in Rhyothemis variegata; B-Premental setae in Bradinopyga geminata; C-Palpal crenations in Pantala flavesecens; D-Palpal spines in B. geminata E-Mid dorsal protuberances in Orthetrum sabina; F-Abdominal hairs in O. sabina
Source publication
Taxonomic studies of dragonfly nymphs were done up to species level using their exuviae. Exuviae, being the last instar larval skin, possess all larval features. These features can be used for the identification of odonate nymphs up to species level. Seven species belonging to the family Libellulidae were identified using the features present on ex...
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Globally, freshwater ecosystems and the organisms that depend on them are at risk. Dragonflies and damselflies (collectively, “odonates”) have a history of being used as bioindicators of freshwater habitat quality due to their wide range in environmental sensitivities across species and because they are relatively accessible. However, the nymphal s...
