insect
Latin Name Plutella xylostella
Common Name Diamondback Moth
Biology Adult moths are nocturnal with diurnal concealment, agile in flight and attracted to blacklight traps, ovipositing on the undersides of cruciferous vegetable leaves. Larvae consume foliage: early instars feed on mesophyll beneath leaves, creating translucent blotches, while later instars perforate leaves with holes, exhibiting extreme pesticide resistance. Multiple annual generations occur, reproducing year-round in southern regions.
Damage This pest primarily damages cruciferous vegetables including cabbage, kale, and radish.
Distribution Regions Global vegetable zones
Monitoring 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.
Recommended Traps Delta Trap, Wing Trap
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