Mealybugs on houseplants

Common causes of mealybugs and the first things to check, summarized from 157 PlantGrail care records across 148 plants (as of ).

What causes mealybugs on houseplants?

It depends on the plant and how it is kept, so check the plant pages below. For Cactus, the records explain it like this: Areolar fuzz (pubescence) is a natural part of cactus anatomy at the base of spines. Mealybugs are sticky, cottony insects that move and excrete honeydew.

Common first steps

  1. Isolate infested plant immediately
  2. Remove visible mealybugs with cotton swab dipped in 70% isopropyl alcohol
  3. Swab the mealybug colonies on the croton stems and leaf undersides with cotton wool soaked in methylated spirits, the same alcohol treatment used for scale insects, which penetrates the waxy cottony coating and kills the insect beneath.

Plants with records for mealybugs

Most records first. Open a plant for its own causes and fixes.

Questions about mealybugs

Which plants have the most records for mealybugs?

calathea, pothos, jade plant, peace lily, monstera deliciosa and 143 others.

Can mealybugs be prevented?

Inspect areoles monthly. Increase airflow and maintain low humidity (<40%) to discourage pests.

What are these records?

This page summarizes 157 PlantGrail care records on mealybugs. Records describe care topics; they are not counts of observed plants or treatment outcomes.

← All problems