Pyranha Bug Armor, previously known as Pyranha 1-10 PX is a mosquito misting system and ULV fogging concentrate with 10% Permethrin and 10% Piperonyl butoxide for more effective flying and crawling insect control. Pyranha 1-10 PX kills mosquitoes, cockroaches, wasps, moths, asian lady beetles, crickets, spiders and other small biting/flying insects. Bug Armor is water-based.  Pyranha 1-10PX has a new name. It is now Pyranha Bug Armor - same product, same ingredients, just new name!