Thumb Score: +16 Amazon has 16-Oz Spectracide Triazicide Insect Killer (for Landscapes & Gardens) on sale for $1.52. Shipping is free w/ Prime or on $35+ orders. Thanks to Deal Hunter gaamn114 for finding this deal. Product Details:[LIST][*]Active ingredient : 0.02% Pyrethrins[*]One 16-ounce can treats 20 square feet of surface area.