Here is a list of orange and black caterpillars found in the U.S.A and some parts of Canada: Red-humped caterpillar is the longest moth caterpillar with longitudinal black and orange stripes.. Distinguishing Monarch caterpillars from other orange and black species requires attention to specific physical characteristics and host plants. Monarch caterpillars are smooth-bodied, have a consistent black, yellow, and white stripe pattern, and possess only two pairs of fleshy filaments. They are found exclusively on milkweed plants.
A to Z Visual Guide to Identifying Striped Caterpillars in Your Garden Striped caterpillars are among the most beautiful caterpillars found in your yard, and their striking patterns and bright colors make them easy to spot too. To help you figure out whether a caterpillar is friend or foe, here's a simple visual guide to 17 common types of striped caterpillars you might encounter in the garden.. The captivating black and orange striped pattern on their bodies makes them easily identifiable. The cinnabar caterpillar features long feathery spines on its body, adding to its unique appearance. They also have three pairs of black legs at the front and four pairs of black and orange prolegs in the middle section of their bodies.