Does the insect have cornicles on the back of its abdomen?

Yes (the insect has cornicles)

No (the insect does not have cornicles)

Answer the question above by clicking one of the options above to move on to the next step. The image above is meant to show you what to look for in the insect you are identifying. Answer the question as directed above. If a highlighted portion of the image appears orange this does not mean you look for the color orange. The orange color is just meant to highlight key body parts used for identification.

What Are Cornicles?

Cornicles are two small appendages at the end of the abdomen that are only found in aphids. Aphids are very small insects about the size of a pinhead. Without a hand lens it is extremely difficult to see whether an insect has cornicles or not.