How to Identify Crescent Butterflies

Crescent butterflies are widespread orange and black insects. Scientists have recently realized that crescent butterflies may be multiple species, rather then one. The debate continues about the distinctions between pearl, northern, tawny and other crescent butterflies. While biologists sort this out, you can easily identify a crescent butterfly by following these steps.

Difficulty: Moderate

Instructions

1. Estimate the size of the butterfly. Crescents usually have wingspans of at least 1 inch, ranging up to 1 and 1/2 inches. You won't have to have your bifocals on to see one of them.

2. Examine the wing structure. Crescent butterflies have an angular slit in the wing, allowing for the two pieces to overlap. The slit extends from the upper quarter of the butterfly's body at a 45 degree angle.

3. Check the butterfly's body for fuzzy hairs. Identify crescents by the short, black fuzz and longer blonde colored hairs. The fuzz may appear iridescent on some specimens.

4. Notice the coloration of the wings. Crescent butterflies have orange and black wings, with irregular patterns. The color arrangement resembles what hunting camouflage would look like if it was made of black and orange. Some common elements of the wing coloration include black spots and black outlines creating an orange honeycomb look.

5. Confirm that the specimen you are identifying is a crescent and not a monarch butterfly. This is relatively simple because crescents look like a monarch's ugly stepsister. Monarch wings have crisp, symmetrical black outlines and with an occasional accent of white polka dots around the edges.

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