Images Dated 7th September 1999

X-ray of a five-horned beetle (Eupatorus sp.)

Five-horned beetle. X-ray of a five-horned beetle (Eupatorus gracilicornus) from Vietnam. Beetles (Coleoptera), the largest order of insects, have hard wing covers called elytra (on the left and right of the body). The extended wings (faint) are at upper left and right. Beetles with horns or large mandibles often use these for combat or territorial displays

© D. ROBERTS/SCIENCE PHOTO LIBRARY