You should have applied the most important insect spray of the year — dormant oil sprays — during the winter. Why then? Because that’s when insects susceptible to these sprays are most vulnerable. Why ...

Some oils from natural ingredients like peppermint, garlic, lemon, and thyme may help ward off insects. However, more research is needed to fully support the benefits of homemade bug sprays. Not ...

Q. How can I keep the beetles away and keep the invisible insects from eating holes in my rose leaves? The beetles have not been too bad the last couple of years, but the holes in the leaves never ...

A FLOWER’S delicate fragrance is not just a come-hither call to insect pollinators. Some scent molecules act as deterrents to drive away blossom-munching predators. Ian Baldwin of the Max Planck ...