Each mass contains 150 to 350 eggs which are cemented together and covered with a dark, glue-like substance. Larvae emerge the following spring at the time leaves are unfolding. They construct a tent ...

However, you also need to check the underside of leaves for caterpillar eggs if you opt for this method. As Anastasia Borisevich, plant expert at Plantum, explains, ‘The real harm comes from ...

Becoming an adult butterfly or moth is a high-stakes obstacle course. One of the biggest threats a caterpillar faces is the risk of being parasitized. Wasps and flies inject their own eggs into a ...