What is the primary role of the foremost pair of legs in a camel spider?

Answer

To function like antennae or arms, detecting obstacles and prey

The anterior pair of legs in solifuges is often held out to feel the ground ahead, detecting obstacles and prey, rather than being used for running. Locomotion is primarily accomplished by the posterior three pairs.

What is the primary role of the foremost pair of legs in a camel spider?
spideranimalarachnidscorpion