Houseplant pest care

CUISINE & CULTURE

ELLEN PEFFLEY

Outdoor temperatures are below freezing right now, but indoors temperatures are comfortable for humans and houseplants but also plant pests.

The most common houseplant pest is that small, black, fly-like insect, the annoying fungus gnat.

There are four developmental stages in the life cycle of a fungus gnat: egg, larva, pupa and adult. Eggs can be brought indoors in…