Pest identification
What's eating my colocasia colocasia gigantea thailand giant?
Aphids
Signs: Soft insects clustered on new growth and leaf undersides; honeydew; yellowing and leaf curl
Control: Knock off with a strong water jet; apply insecticidal soap or neem oil; attract beneficial insects
Caterpillars
Signs: Large, ragged holes in the leaf blade; frass droppings; occasional total defoliation of a leaf
Control: Hand-pick larvae; spray Bt kurstaki; check at dusk when caterpillars are most active
Slugs & snails
Signs: Smooth-edged holes from the leaf margin inward; silvery slime trails on soil and foliage
Control: Use iron phosphate slug pellets around the base; hand-pick at night; remove nearby debris
Spider mites (under glass)
Signs: Fine webbing and pale stippling on undersides of the huge leaves; bronze tint to foliage
Control: Increase ventilation and humidity in the glasshouse; apply neem oil or predatory mites (Phytoseiulus persimilis)
Keep colocasia colocasia gigantea thailand giant pest-free
Healthy plants resist pests best. Get the basics right:
- What eats colocasia gigantea — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Common colocasia colocasia gigantea thailand giant problems & fixes
- Colocasia Colocasia Gigantea Thailand Giant watering schedule
- Colocasia Colocasia Gigantea Thailand Giant light requirements
- Full colocasia colocasia gigantea thailand giant care guide
Colocasia Colocasia Gigantea Thailand Giant pests — FAQ
What is eating my colocasia colocasia gigantea thailand giant?
Colocasia gigantea Thailand Giant is usually grown outdoors in large borders or pots where caterpillars, aphids, and slugs are the main threats to its enormous leaves. Spider mites attack when grown under glass. The sheer leaf area means damage is visible at a glance — inspect weekly during the growing season.
How do I get rid of aphids on colocasia colocasia gigantea thailand giant?
Soft insects clustered on new growth and leaf undersides; honeydew; yellowing and leaf curl Knock off with a strong water jet; apply insecticidal soap or neem oil; attract beneficial insects
How do I get rid of caterpillars on colocasia colocasia gigantea thailand giant?
Large, ragged holes in the leaf blade; frass droppings; occasional total defoliation of a leaf Hand-pick larvae; spray Bt kurstaki; check at dusk when caterpillars are most active
How do I get rid of slugs & snails on colocasia colocasia gigantea thailand giant?
Smooth-edged holes from the leaf margin inward; silvery slime trails on soil and foliage Use iron phosphate slug pellets around the base; hand-pick at night; remove nearby debris
How do I get rid of spider mites (under glass) on colocasia colocasia gigantea thailand giant?
Fine webbing and pale stippling on undersides of the huge leaves; bronze tint to foliage Increase ventilation and humidity in the glasshouse; apply neem oil or predatory mites (Phytoseiulus persimilis)