Flatidae Treehopper (Nymph stage/Woolly Planthopper)
Scientific Name: Flatidae family (genus/species varies by region, e.g., Metcalfa pruinosa)
Order & Family: Order: Hemiptera, Family: Flatidae
Size: 3 mm to 8 mm for nymphs
Natural Habitat
Found on the undersides of leaves and on the stems of various host plants including shrubs, trees, and garden crops.
Diet & Feeding
Herbivore; they use piercing-sucking mouthparts to feed on plant phloem (sap).
Behavior Patterns
Nymphs produce white, waxy filamentous secretions for protection against predators and desiccation. They are known for their ability to jump quickly when disturbed and undergo incomplete metamorphosis.
Risks & Benefits
Generally considered a minor garden pest; excessive feeding can cause leaf wilting or mold growth due to honeydew excretion. They are non-toxic and do not bite humans.
Identified on: 3/25/2026