Ants. 

Stay Away Natural Ant Repellent Refill Pouch - Repels ants naturally with a formula of essential oils and plant fiber. Ants do not like the lemongrass peppermint and thyme blend that is a pleasant smell to humans. Effective and safe for humans pets and the environment. No setup or messy cleanup. Patented pouch design delivers long lasting slow release of proven essential oils. Ideal for use in pantries cupboards kitchens basements or anywhere indoors. Use one pouch per cupboard or small space 2 pouches per large pantry. Use with Stay Away pouch pod to prevent children and pets from tampering with pouch. Features Emits scent pleasant to people offensive to ants Made with lemongrass peppermint and thyme oils Place where food particles are present