Mountain pine beetle (Dendroctonus ponderosae) has killed millions of hectares of pine forests in western North America. Beetle success is dependent upon a community of symbiotic fungi comprised of Grosmannia clavigera. Ophiostoma montium. and Leptographium longiclavatum. https://parisnaturalfoodes.shop/product-category/nutra-sea-d-grapefruit-omega-3/