Does your insect have either of the following characteristics: biting/chewing mouthparts, or no visible mouthparts?
Insects have several types of mouthparts, including:
• biting or chewing mouthparts, which are jaws that move side to side (rather than up and down like ours do)
• sucking mouthparts, which often look thin and straight tubes. or coiled tubes
• piercing mouthparts, which often look like small blades, and may be held down along the body — these are often also used to suck up fluids that the blade accesses
• lapping mouthparts, which the insect can extend downward to sop up fluids
If your insect has either biting mouthparts or no visible mouthparts, answer “yes.”
Click one of the following:
Yes, my insect has either biting mouthparts, or no visible mouthparts.
No, my insect does not have either characteristic.
I would like to return to the start of this key.
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Photos at the top of this website are (from left to right): potato beetle (Leptinotarsa decemlineata) — photo credit: Scott Bauer, U.S. Department of Agriculture; ebony jewelwing (Calopteryx maculata)— photo credit: U.S. Fish and Wildlife Service; sweat bee (Agapostemon splendens) — photo credit: Natalie Allen and Stephanie Kolski, U.S. Geological Survey; preying mantis, monarch butterfly (Danaus plexippus), hellgrammite (aka toe biter) larva and eyed click beetle (Alaus oculatus) — photo credit: Leslie Mertz, DailyGraceCards.com; Halloween pennant (Celithemis eponina) — photo credit: Kay Meng, U.S. Fish and Wildlife Service.
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