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ant
09-10-2002, 07:20 AM
lawn moths so bad on a lawn i choked on one while applicating a lawn...i mean bad....looked for signs of web worm damange but none....

even the client questioned it....

what should i do wait for damange? then treat...
ant

tremor
09-10-2002, 08:14 AM
Ant,

Depending on how long your season lasts, there may be time for those recently laid eggs to hatch & cause damage. The adult females are laying eggs as the flit about. Eggs take only 7-10 days to hatch, so you may want to scout in 10-14 days or more for larval development.
Dylox is quick if scouting pans this out & you have to act fast. But only a 10 day +/- residual.
If you feel they will develop into a problem based on your season & the areas history, I'd use a residual product like Talstar or Mach2 instead.
Merit is weak on webworms as well as other lepidoptera, so don't count on it if it's been used there for grubs.
Since webbies have several generations per year, there may be areas of damage already. Or perhaps an ajoining or nearby lawn is hammered.


http://ipmwww.ncsu.edu/AG271/corn_sorghum/sod_webworm.html

Steve