I was emailed a PDF (looks a like a scan from a magazine) of the killing
mechanisms of various insecticides, along with trade names and what they are
labeled for.

The concept is that you rotate mechanisms as a means of preventing the bugs
from developing resistance to any one "class" of killers.

If you're interested:

http://www.firstrays.com/PDF/Insecticides.pdf

Ray Barkalow - First Rays Orchids - www.firstrays.com
Plants, Supplies. Books, Artwork, and lots of Free Info!