Wait until a warm sunny day when the caterpillars leave the tent to feed on the leaves and apply the product to the foliage. Bacillus thuringiensis (BT) is a bacterial insecticide that is very low ...

But one species of caterpillar is thought to be the first recorded self-medicating insect. Becoming an adult butterfly or moth is a high-stakes obstacle course. One of the biggest threats a ...

Compare a caterpillar to a butterfly or a maggot to a fly; newly hatched insect larvae don’t appear to be remotely related to the adults they will become. Not only ...

Those conspicuous white masses of webby material that are seen in the forks of branches of trees are created by the eastern tent caterpillar. Populations of this insect fluctuate from year to ...