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    • Spiny gilled mayfly (Coloburiscidae: Coloburiscus) and close up
    Rights: Manaaki Whenua – Landcare Research, Creative Commons 4.0 licence Published 24 October 2016 Size: 610 KB Referencing Hub media

    Coloburiscus mayfly nymphs are easily distinguished by the cactus-like gills covering the top of the abdomen (the right-hand picture). The front and mid legs are very hairy.

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      Freshwater macroinvertebrates

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