Freedom of Movement

L: Beetle head with antenna removed showing socket
R: Scape of antenna fits in socket

Insects can use their antennae to sense objects using both tactile and chemo receptors. Insects with long antennae such as a male long-horned beetle use antennae to search for females. Their long antennae give them a wider search area. Nocturnal insects such as katydids, move at night and can sense objects far in front providing early warning of a lurking predator.

Antennae can be directed to collect…

Source: Living With Insects Blog

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