Fire Scorpions are a breed of vicious invertebrates regularly growing between four to eight metres long. They get their name from the virulent bio-chemical called "Flame Venom" that they produce at the end of their tails, which once injected via their wickedly sharp barbs turns their victims' own blood into an acidic slurry whilst it is still pumping around the unfortunate's body. Fire Scorpion queens have been recorded to grow larger than an Astartes Rhino transport vehicle (approximately 6.6 metres). But although that may be intimidating, a Fire Scorpion queen’s main weapon is her pheromones, which secrete whenever her territory is invaded by a hostile threat, causing all local Fire Scorpions to confront the trespassers in a berserk rage.
- Deus Encarmine (Novel) by James Swallow