Zopherus chilensis, also commonly known as the ma'kech or jewelled bug, is a species of ironclad beetle in the family Zopheridae.

[1][3] In the Yucatán Peninsula, locals collect specimens of Z. chilensis and attach to their backs rhinestones, pearls, chenille, and small baubles.

The beetle is then attached to a small golden leash and worn as jewellery or, more frequently in modern times, sold to tourists.

[4] Z. chilensis lives in dead wood in arid forests and other similarly hot, dry, regions.

[2][3] Adults are found underneath bark and logs, and are noted for their ability to survive for long periods of time with little or no food.