What type of eyes do most adult insects possess?

Most adult insects possess both compound eyes and simple eyes, known as ocelli. Compound eyes are made up of numerous small visual units called ommatidia, which allow insects to have a broad field of vision and perceive motion very effectively. This type of eye is particularly adapted for detecting movement, which is crucial for survival, helping insects avoid predators and navigate their environments.

In addition to compound eyes, many adult insects have simple eyes or ocelli located on their heads, which can detect light intensity and help with navigation and orientation, especially under varying light conditions. This combination enhances their ability to interact with their surroundings.

The presence of both types of eyes enables insects to have a superior visual system that caters to their diverse habitats and lifestyles. Understanding this dual-eye structure helps in appreciating the evolutionary advantages insects have developed over time.