Howdy folks,
In regards to No Lo bait, here is a link to their site giving
details:

http://www.biconet.com/biocontrol/nolo.html

The site does mention that it's effectiveness is limited once the
invasion is in full swing. It's a disease that is spread from
grasshopper to grasshopper by the bugs charming habit of canibalizing
their dead.

take care,
Steve Coyle
www.austingardencenter.com