Dictionary entry overview: What does yo-yo mean? â¢ YO-YO (noun) The noun YO-YO has 1 sense: 1. a toy consisting of a spool that is reeled up and down on a string by motions of the hand Familiarity information: YO-YO used as a noun is very rare.
A Malathion is not labeled to kill mosquitoes so we cannot recommend it as a treatment. Talstar is our most popular selling product for mosquito control. It is a liquid concentrate that you mix with water and apply using a one gallon hand pump sprayer.
You can try several things in standing water to kill mosquito  larvae. Bleach works well, and if you do not want to go the  chemical route, try baby oil or mineral oil.