How do Caterpillars walk?
  
Don Herbison-Evans,
(donherbisonevans@outlook.com)
and
Stella Crossley

Caterpillars walk by lifting and compressing the body between the last two pairs of legs, then moving the last pair of legs forward a bit, then they lift the next segment and move the penultimate pair of legs forward, then the next pair , and so on. There is a considerable distance between the last pair of true legs and the first pair of prolegs, so that that step in the sequence is usually longer, giving Caterpillars more mobility than might be imagined, especially if some pairs of prolegs are not present, as in some members of the families GEOMETRIDAE and NOCTUIDAE.


Urolitha bipunctifera

GEOMETRIDAE

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(updated 25 February 2005)