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Garden Supply | Organic Fertilizer | Composting | Indoor Gardening › Forums › Pests, Weeds & Disease › Nematodes vs Grasshoppers › Reply To: Nematodes vs Grasshoppers
Scanmask® nematodes are what’s known as insect pathogenic nematodes. They do not harm plants or vegetation of any kind and only work on insect pests that spend part of their life-cycle in the soil.
With that said, I do not think that nematodes will work well on grasshopper eggs as the egg cases contain a cork-like protective layer.
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