Pollen

Pollen is a microspore found in a seed plant, usually appearing as a yellow dust. Which is collected by bees to make honey, or being eat by butterflies.

In Scribblenauts, pollen is appearing like a microorganism, pollen can be eaten by bees, bee-like wielder, butterflies and wasps.

And is feared by allergic wielders.

Trivia

 * Pollen's size in scribblenauts is more tiny than a ant's.