Forget Gazebos, this creature would be far more terrifying!
I'd hate a swarm of 10 foot dia versions of these to attack my party in A-Y. Ranged/piercing would be no good, hell no to melee, spells of some kind a necessity:
"Absurd Creature of the Week: This Beetle Uses Its .... as a Shield or Sword"
http://www.wired.com/2015/06/absurd-creature-of-the-week-tortoise-beetle/
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Comments
http://shelthedreamer.deviantart.com/art/Kitten-Swarm-333786081
"Hundreds of tiny, cute, fluffy kittens pour out of the doorway, engulfing to party, climbing up legs, mewing and purring"
Is that how you kids do it?
by Chlobimay
Mind you, iirc thats a buff for swarms, being made of smaller than tiny creatures.