Wasp
it is a flea
gnat
free bee
Nettle
hay
Nettle
Five letter word insect ending in ic
bug
4 Letter words for an insect * Moth * Wasp * Gnat * Flea * Tick
Flea, lice. "Tick" is another possible answer, but ticks are actually arachnids, not insects.
The word is beetle.
bee