Random Delaney is an exterminator. She gets rid of pests on spaceships. When she's hired to kill metal mites on the cruise ship Evander, a project so simple she brings her daughter along, things go sideways. A 5200-word short story, originally published in A GIRL'S GUIDE TO GUNS AND MONSTERS, edited by Martin H. Green berg and Kerry Hughes, DAW, (2010).
Used availability for Nina Kiriki Hoffman's Invasive Species
September 2013 : USA, Canada, UK Kindle edition