Identification and Ecology of Australian Freshwater Invertebrates

Major Groups \| Insecta (insects) \| Odonata (dragonflies, damselflies)
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15(14). Antennae 4-segmented, usually flattened; at least tarsi of fore- and midleg 2-segmented

Note: early instar antennae have less than 4 segments
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antennae 4-segmented

tarsi 2-segmented

-Antennae 5-7-segmented; tarsi of all legs 3-segmented
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antennae 5-7 segmented

tarsi of all legs 3 segmented

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