What wasp was this

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Joined
14 Nov 2005
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442
Location
Birmingham
Just found this on the floor of our warehouse . It's bloody big and I am glad it's not buzzing about but what the hell is it. Fag packet for size purposes . Kids don't smoke
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It's a camouflage wasp. They adapt to their environment and can imitate objects. This one seems to have mastered a cigarette box.
 
It's a Peruvian sui caedere hornet. They have a particularly nasty way of dealing with rivals threatening their nest. A specialised variety of their warrior hornet attacks the threat with the aim of dying. Once dead, a chemical reaction in its gut causes a release of Bromomethane, which is extremely poisonous even to fairly large mammals, if they breath too closely to it

Presumably, that one's been dead for a while, so Bromomethane levels should be low risk
 
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