Insect feelers are sensory organs that allow insects to detect their environment. The three crossword solutions for the term insect feelers are palpi (5 letters), palps (5 letters), and ANTENNAE (8 letters). Palpi are small, finger-like projections located near the mouth of an insect. Palps are similar to palpi but are located on the head of an insect. ANTENNAE are long, thin feelers located on the head of an insect that are used for sensing movement and smell.