It would appear that a common term for the Atlas moth is the
'cobra butterfly' this could be because the wings are similar in
appearance to a cobra snake.
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"Yes, it is legal to own and use a Cobra radar detectors in IL,
but it is illegal to use in commercial vehicles, so do not be
driving a semi truck with it."
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Actually - the term is 'venomous' - and yes, the King Cobra is a
highly-venomous snake species !