Existential insects

Mights - Mites so small that they may not exist at all. Include sand mights, wigwam mights, beard mights, staple mights, and night mights.

May Bee - A stinging insect that could possibly have been a bee (eg "Ow!" "What? Did you get stung by something?" "May Bee...") A special type of Might.
[See also: Would Bee, Should Bee, To Bee or the Not Too Bee]

Its - Like nits, only they really have no point whatsoever.

Gnots - Like gnats, only gnot.

Flowns - A species of flies that exist always in the past tense. They make a point of buzzing around in your ear just a fraction of a fraction of a second before you actually exist to do anything about it, just to irritate you.