"A is for aurumvorax and that's good enough for me!" Aurumvorax (plural aurumvorai? aurumvoraxes? aurumvorae? aurumvorax?) are nasty critters that snack on metal like a junkie on smack. Isn't that fun? Hell yes it is. http://www.ravensnpennies.com/2015/04/triple-threat-aurumvorax.html#.VSRdL_nF_Cs