Chemoreception (including Olfaction [Smell] and Taste)

Chemoreceptors are typically sensillae (setae) that

respond to airborne (smell) or dissolved
chemicals (taste).

main body parts that have chemoreceptors in different insects include:

antennae, mouthparts, legs/"feet" (specifically the tarsal and pretarsal segments), and the ovipositor.

every insects has

SOME CHEMORECEPTORS

sedfas

sdfs