Fungus beetles are very small insects, ranging from 1 to 3 mm in length.
(Fungus beetles; are; very small insects, ranging from 1 to 3 mm in length) (very small insects; ranging; from 1 to 3 mm in length)
Fungus beetles very small insects
are ranging
very small insects, ranging from 1 to 3 mm in length
from 1 to 3 mm in length