"I only have mandibles for you!"

CRUNCHERS is designed to let you practice recognizing some feeding symptoms on plants. Some symptoms are pretty distinct but others are not. Usually, you need to know the crop and time of the season when the damage occurs. It is always best to see the actual pest before settling upon a diagnosis. There may be more than one insect that can cause the damage you see. Just give them a try and see what the possibilities are.

Select (click on) a picture from the group below. This will bring up the picture again and a description of relevant information. Decide what you think the cause is most likely to be. Then click on "The answer is ..." to see what the Cruncher could be. Look for recognizing the pattern more that the exact cause.