Description: They are very small with light colored bodies. They leave a sticky residue on the leaves.
Treatment: Remove damaged leaves, wash plant leaves with warm water for a week then spray an insecticidal soap onto leaves.
Description: Most kinds of caterpillar are considered plant pests and will eat the leaves.
Treatment: Pick off by hand.
Description: Small dark colored insects with beetle like bodies.
Treatment: Pick off by hand if you can catch them. Remove any organic debris from the base of the plant. Set out roach traps.
Description: Small worm type insects that curl up into a ring shape. They eat through plant roots and topple the plant.
Treatment: Not too common in hydroponics – if found, spray with insecticide.
European Corn Borers
Description: Small, 1 inch long caterpillars who bore into plant stems and eat them from the inside out.
Treatment: Spray with insecticide.
Description: The hatched offspring of tiny black flies. The maggot offspring attack plant roots.
Treatment: Discard any damaged plants, spray with insecticide. Not too common in a hydroponics garden.
Description: Small bugs create white, powdery masses on leaf stem joints.
Treatment: Scrape off and spray with insecticide.
Description: Fly larvae that hatch at the base of the plants and eat the roots.
Treatment: Not too common in hydroponics gardens. If found, spray with insecticide.
Description: Tiny waxy growths on the underside of leaves and on stems.
Treatment: Scrape off and isolate plant, if possible. Wash leaves with warm soapy water and apply insecticide if needed.
Striped Cucumber Beetle
Description: Small, very destructive, striped back beetles 1/4 inch long. As adults, these plant pests eat leaves, and as larvae eat roots.
Treatment: Use insecticidal soap.
Tarnished Plant Bugs
Description: Small beetles about 1/4 inch long with tarnish-like markings on it’s back. They inject plants with a substance that deforms leaf tips and stem joining.
Treatment: Clean off all nearby organic debris and spray with insecticide.
Colorado Potato Beetle
Description: Inch long striped beetles and their larvae will eat everything on a plant.
Treatment: Pick off by hand and optionally, spray with insecticide.
Description: Small dark brown centipede-like insects with a pincer tail.
Treatment: Pick off by hand (they usually come out at night).
Mexican Bean Beetle
Description: Small, 1/2 inch beetles will eat roots and leaves, leaving only the veins.
Treatment: Wash with soap.
Description: Red, yellow or green microscopic bugs forming cobwebs.
Treatment: Isolate plant if you can, wash leaves with warm, soapy water and spray with insecticide.
Description: Very small and slender bugs leaving dark blobs on the leaves.
Treatment: Remove bugs by hand, wash leaves with water and spray insecticide.