昆虫

Phyllonorycter ringoniella

Asian apple leafminer (Phyllonorycter ringoniella)
学名 Phyllonorycter ringoniella
一般名 Asian apple leafminer
生態 Adults are nocturnal, exhibit phototaxis, and lay eggs on the undersides of leaves. Larvae penetrate beneath the leaf epidermis to feed on the mesophyll, creating oval-shaped lesions containing black frass, while yellow net-like spots appear on the upper leaf surface. This pest completes 5-6 generations annually, overwinters as pupae in fallen leaves, and adults emerge when apple trees begin to bud in spring.
被害 This pest primarily damages Rosaceae fruit trees such as apples, pears, and crabapples.
分布地域 East Asia
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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