This is edited footage taken originally by YUAN TUNG SHIH (National Taiwan University) of a newly described species: Hydrophylita emporos (Trichogrammatidae) phoretic on adult damselflies, and parasitising their submerged eggs. The adult female parasitoid wasps ride on the abdomen of the female damselfly, and when she begins to lay eggs, the wasps walk the length of the abdomen into the water, and swim to locate the damselfly eggs, which they then oviposit into. The full account can be found in the published paper in PLOS ONE at:

plosone.org/article/authors/info%3Adoi%2F10.1371%2Fjournal.pone.0069331;jsessionid=7A2E9843749ADF28669F066D6F0AF18F

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