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Outdoor Flea Control Without Chemicals: Nematodes and IGRs

A pet owner with a yard wants chemical-free flea prevention. The expert discusses Insect Growth Regulators (IGRs) that disrupt flea molting, but most degrade in sunlight. A new product "Nylar" shows promise for outdoor stability but isn't yet marketed. Beneficial nematodes work well in moist, sandy soils. Chemical pesticides are discouraged—they kill beneficials and may cause flea resurgence. Recommends nematode research and hoping for a hot, dry summer.

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