flea
Tapeworm
Fly is a 3 letter insect. It begins with the letter F.
An insect that starts with k is the Khapara Bettle.
Gnats
One flying insect that starts with f is the Firefly.
flea
An insect that starts with 's' is the scale bug and the stick insect.
The insect name that starts with "U" is a "unicorn mantis."
ant aphid
an owlfly
Tapeworm
Fly is a 3 letter insect. It begins with the letter F.
An insect that starts with k is the Khapara Bettle.
Plume moth is an insect. It begins with the letters pl.
termites
Of course, there is the spider.