Scales can be found feeding on leaves, petioles, or stems. They are usually distinct from the plant material on which they are feeding. The adults have very short antennae. No known damage is caused by larvae. This insect is believed to feed only on algae.
Adults emerge and fly around in retail shops, homes, or offices and are therefore a nuisance.
Control - Reduce the amount of water applied to each pot where possible. Avoid algae growth on walkways, benches, and cooling pads on which they feed. Chemicals are not believed to be very effective in the control of this pest. Slugs Symptoms - Slug and caterpillar damage are similar and determining which pest is present can be difficult. Snails and slugs are voracious feeders, with small stages feeding on surface tissue and larger ones eating irregular holes in foliage.