It could be a flying ANT, or perhaps a FLY.
A bee or a fly are examples.
bee
Bug.
Lots of 3 letter insects Bee, Fly, Ant, Bug I'd guess "be"
The answer is a simple flying insect that packs a genuine sting. It is a bumble bee, which has 3 b's and 3 e's.
Nit, a hair based parasite that feeds on your blood
3 base pairs (3 letters) code for 1 aminoacid and this 3 base pair sequence is called a codon.
Toe
yea
it is called a POD
UFO Unidentified Flying Object
The purple flying ones are called Banshees,part of the Covinent. And the Hornet is the other part of the others.
It is called the trade name of AGA