Depression Diagnoses Rising: 30 Million Americans Take Antidepressant Drugs. 1  Depression is increasing in industrialized countries, and no one is sure why. 2  Depression comes in many different forms. 3  The holidays are often escorted by the holiday blues, so do not feel alone with this winter funk.
Catalpa worms are the larval stage of the catalpa sphinx moth (Ceratomia catalpae). The female sphinx moth lays eggs in clusters on the undersides of catalpa leaves. When the eggs hatch, the worms that emerge typically have black and yellow bodies and a hornlike structure at the end of their abdomens.
This catalpa tree is under attack by the larva of the catalpa sphinx moth. All of the photo specimens you see here came off that one tree. This sphinx moth larva is one of just a few insects that infest catalpa and can eat large quantities of leaves. The caterpillar is yellow with black lines and markings.