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February 11, 2015 at 4:43 pm #159838
Eric Vinje
Keymaster

Scanmaskยฎ 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.