Uploaded May 2017 | Updated September 2026, 1 hour ago

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Safety in Numbers
These sawfly larvae (not flies, but wasps!) are keeping in close contact while crossing a road in a stop-and-go motion. The 'frontrunners' are giving the signal to start moving again by tapping their 'tails'.
Safety in Numbers
These sawfly larvae (not flies, but wasps!) are keeping in close contact while crossing a road in a stop-and-go motion. The 'frontrunners' are giving the signal to start moving again by tapping their 'tails'.