Pyrel Insecticide “Bugs” [00:20]# An amusingly low-tech commercial featuring a bunch of very fake-looking insects watching a slide show of beautiful flowers. Each flower is greeted with applause and cheering until there appears on the screen a picture of a plant known for its natural insect-repellent quality. The creepy-crawly audience immediately takes flight. The natural substance of this particular plant is, we learn, a main ingredient of Pyrel insecticide.