Amazon has the Raid Essentials Flying Insect Light Trap Starter Kit (Blue/White) for $18.13 - 50% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) = $8.15 with free shipping on $35+ or with Prime. Uses light to attract insects, and includes 1 plug-in device and 1 cartridge.