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Ef Encarsia formosa (Nile Delta Strain)

Ef Encarsia formosa (Nile Delta Strain)

This is a new strain of Encarsia that only my supplier has. They have been developing this strain with the assistance of the USDA since 1997. The main advantage to this new strain, is that it will go after all major strains of Whitefly (Greenhouse / Silverleaf – Sweetpotato / Banded Wing).  Encarsia formosa (Nile Delta) is a tiny, parasitic wasp that will lay 50 – 100 eggs into whitefly larvae.