Garden Pond: Water Strider vs. Japanese Beetle

Last evening we watched our water striders surround and attack a Japanese Beetle.  Just as we’d learned a few months ago, the water strider pounced on and grabbed the beetle immediately upon it hitting the water…however, we believe the beetles hard shell proved difficult to puncture because the strider kept retreating.

Water Striders cannot see below or above them…they hunt by using vibrations on the water’s surface.  When an insect hits the water and begins to struggle, the strider pounces!  It pierces its prey and sucks out its juices–a task that, from what we witnessed, definitely proved difficult with a Japanese Beetle.


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