Insects with I

• Inchworm

  Real insect larva (geometer moth). Good fit!

• inch worm

  Same as inchworm; a real insect larva.

• inchworms

  Plural is fine; these are moth caterpillars.

• Inch Worm

  Same as inchworm; a real insect larva.

• Inch worms

  Plural is fine; common name for moth larvae.

• indigo beetle
• inch worms
• Ill
• Ice spider
• Indian bug
• Ichneumon wasp

The words in the list Insects with I come from players of the word game Categories game.