Note: Key from Theischinger & Endersby 2009 |
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1. Nymphs usually slender; 3 leaf-like OR saccoid caudal gills Note: Median gill may be reduced and so appear as only 2 caudal gills. Zygoptera (damselflies)
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-Nymphs usually stout; without external caudal gills, BUT with 3 conspicuous substantial spine-like OR triangular processes at tip of abdomen, forming "anal pyramid" Epiprocta (dragonflies)
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