1. small white flying insects that feed on plant sap and are common garden pests
Usage: plural of whitefly

Examples

• The tomato plants were covered with whiteflies.
• Whiteflies can quickly infest greenhouse crops.
• She used yellow sticky traps to catch the whiteflies.
• The gardener sprayed insecticidal soap to control whiteflies.
• Whiteflies often gather on the undersides of leaves.
• The whiteflies damaged the cucumber plants by sucking their juices.