Spray-on mosquito repellents are more effective than other devices
Bracelets and citronella candles don’t help

TESTING OPTIONS Bug sprays with DEET or oil of lemon eucalyptus (left) deter mosquitoes better than repellent bracelets (middle) or citronella candles (right), a new study suggests.
From left: NoDerog/iStockphoto; Yuleto/iStockphoto; vynce/iStockphoto