Six-legged tunnelers (4)
I believe the answer is:
ants
(Other definitions for ants that I've seen before include "Small social insects" , "Hard workers" , "Tiny insects that live in colonies" , "Industrious insects" , "Busy little insects" .)
I believe the answer is:
ants
(Other definitions for ants that I've seen before include "Small social insects" , "Hard workers" , "Tiny insects that live in colonies" , "Industrious insects" , "Busy little insects" .)