Hang or Stand the Glass Wasp Trap around your garden to keep unwanted flying insects away from your main areas. Extra-wide metal hanger, for hanging from a tree branch etc. Hanger release. The hanger easily detaches from the bottle for hanging in restricted places. Attracts and traps unwanted flying insects. To attract wasps, simply add water, vinegar and sugar. Sprays and baits can be helpful but generally contain toxins. A safer, NON-TOXIC way to minimiseflying insects is to use our Glass Wasp Trap. Traps them pesky wasps. To many people, wasps are terrifying, especially by those who have been stung. Hang or stand the Glass Wasp Trap/s around your garden to keep unwanted flying insects away from your main areas.