Science
Death from below: Parasitic wasp attacking caterpillar underwater – Science Daily
A previously unknown species of Japanese parasitic wasp was observed to dive underwater to parasitize moth caterpillars.
A very few species of parasitoid wasps can be considered aquatic. Less than 0.1% of the species we know today have been found to enter the water, while searching for potential hosts or living as endoparasitoids inside of aquatic hosts during their larval stage.Within the subfamily Microgastrinae (family Braconidae), only two species have previously been recorded to be aquatic, based on their parasitism of aquatic caterpillars of moths. However, none has been known to actually dive in the water.
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