Kwik-Key to Insect Orders

A.   Mouthparts form a tube-like proboscis adapted for piercing and sucking.  Palps are absent.

A

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B.   Mouthparts form a coil beneath the head.  Palps are usually present and clothed with hair or scales.

B: Order Lepidoptera

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C.   Mouthparts are mandibulate – adapted for biting, chewing, or grasping.  Palps are present.

C

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