woolly plant louse

Từ điển Oxford Learners Wordfinder Dictionary

noun

secretes a waxy substance like a mass of fine curly white cotton or woolly threads
• Syn:
woolly aphid
• Hypernyms:
aphid
• Hyponyms:
woolly apple aphid, American blight, Eriosoma lanigerum, woolly alder aphid, Prociphilus tessellatus