"What is it like to be a bug?"

repeats
ad infinitum

Any creature capable of acting on more than simple reflex is conscious.
Consciousness is definable as the conflict between the twin and equally mechanical processes of reflex/conditioned response and calculation. Absent those conflicting imperatives there is no consciousness.
Animals are indecisive machines: neurotic computers.

so fucking obvious; or it should be, for a materialist.