| 学名 | Lymantria dispar |
| 一般名 | Gypsy moth；Spongy moth； |
| 生態 | Adult moths exhibit sexual dimorphism: males are strong fliers active during daytime, while females move sluggishly and mostly lay eggs at night, depositing egg masses on tree trunks, branches, or leaves. Larvae are highly polyphagous, feeding on foliage of various trees; during outbreaks they can defoliate entire forests, impairing tree growth or causing mortality. This species produces one generation annually, overwintering as egg masses on trees. |
| 被害 | This pest primarily damages multiple forest and fruit trees including poplar, willow, elm, and birch. |
| 分布地域 | North America and Eurasia |
| モニタリング | Pheromone lures mimic natural sex pheromones to attract male insects into specialized traps for population monitoring and suppression. As a core IPM component, monitoring enables early risk detection and targeted control. Mass trapping reduces mating opportunities to curb offspring populations. Protocols: ●Use only with matched traps. ●15-45 traps/hectare,replace/replenish every 4-6 weeks. ●Wear gloves or wash hands with detergent when switching lure types. ●Refer to trap-specific hanging instructions. |
| 推奨トラップ | Delta Trap, Wing Trap |
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