A Hair Off

Böhmʼs bristles on the pedicel of a hawk moth antenna
Image: Krishnan & Colleagues*

Hawk Moths hold their antennae under their wings at rest and deploy them forward when in flight. How do the moths know where their antennae are positioned?

The joints in insect cuticle frequently have arrays of sensory hairs known as hair plates, a type of proprioceptor (gives positional information). As the joint is bent, hairs in the array contact the surface of the neighboring segment. The contact…

Source: Living With Insects Blog

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