Cygon (R) is off market.What is out there to control iris borers?I have tried Bayer (R) systemics but no luck.?

Bayer contains ';disulfoton'; as the active ingredient. You may want to try Merit which contains ';imidacloprid'; as the active ingredient. Here is a link that may help you.


http://www.irisgarden.org/borermain.html


Then here is an iris forum that may help you.


http://forums.gardenweb.com/forums/iris/


Good luck