We shot a few minutes of footage of ants attacking (and eventually killing) a caterpillar many times their size. Ants are problematic in the orchard in many instances, from farming aphids to biting humans. They do occasionally shine, however, as is shown in this video dispatching a hungry caterpillar. Lepidopteran larvae can be a large orchard problem, and every little bit counts when it comes to keeping their numbers in check.