Tom Ellis, Specialist (retired)
Dept of Entomology
Michigan State University
East Lansing, MI 48824
tome@msu.edu

WHAT WORKS

PRODUCT	When it works	When it Doesn't work	Comments
Diazinon*	Spring and Fall	Summer	May not be available
Sevin	Spring and Fall	Summer	Sevin works better than Dylox
Dylox	Spring and Fall	Summer
GrubEx	Summer	Fall and Spring
Bayer Advanced Lawn Season Long Control	Summer	Fall and Spring

 (*Diazinon is in short supply because it is no longer formulated for homeowner use.)

WHAT DOESN'T WORK

THIS PRODUCT DOES NOT WORK.
Background:  It seems that every law/regulation has a legal crack or two that can be exploited, at the consumer's expense, for financial gain. Pesticide use laws are no exception. Insecticides can be labeled for use against specific insects. This means there is data that shows that the insecticide kills the insect. The insecticide can also be labeled for use on a specific site. Your lawn is a legally defined site.

There is a new product being sold for lawn grub control. It is marketed by Sprectracide and is Triazicide. It has a big picture of a lawn grub on the bag. The active ingredient is a synthetic pyrethroid. While synthetic pyrethroids kill lots of different kinds of insects, this synthetic pyrethroid does not kill grubs in the lawn. However, Sprectracide has a site label for the product and it is legal to sell, for now anyway.