Odorless material which is both easy to apply and effective. Available in a liquid or wettable powder.
Many pests are on the label but it works great for chiggers.
Cyfluthrin will provide a quick knockdown coupled with a good residual and low toxicity. Outside in grass, garden and other turf areas and where you have been seeing or experiencing chigger activity. The 8 ounce jar will treat up to 1 acre and the 1 lb jar will treat 2 acres. Use the 20 gallon hose end sprayer to apply either form. You will get 48 scoops from a jar which is enough to treat 2 acres.