Major Groups | Insecta (insects) | Hemiptera (bugs) | Corixidae Note: Key from Andersen & Weir 2004, Tinerella 2013 |
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1. 2 ocelli (O) present on dorsum of head, close to compound eyes; pronotum (P) short; mesoscutellum (MS) well developed and exposed behind pronotum
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-Ocelli absent; pronotum (P) length variable; mesoscutellum (MS) covered by pronotum
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