Tips: Leave the cards in place for a while even after the bugs disappear-to pick up any stragglers or late bloomers.
Once a week, check closely for survivors and open and close the cards to "reactivate" the stickymess.
Since these bugs are attracted to light, putting a card or two near sunny windows isn't a bad idea either.

Yellow Sticky Aphid Whitefly Trap Pack of 15

by Seabright

Product Features

Highly Effective
Non-Toxic
Easy to Use
Great for Flower and Vegetables

Product Description

Easy-to-open yellow 4"x7" trap reverse folds to expose 4"x14" stickysurface with grid for precision monitoring purposes. Approximately 30 square inch adhesive area. Non-poisonous and weatherproof. Punched with hole and twist-tie provided to easily hang trap. Easy to handle and count insects without getting sticky. These yellow sticky traps attract a broad spectrum of flying insects, including: aphids, whiteflies, thrips, leafhoppers, leafminers, and moths. Long lasting traps are weatherproof, and come with a wire twist to easily hang on plants or branches.