Study of the performance of an oophagous parasitoid Ooencyrtus pityocampae (Mercet) (Hymenoptera: Encyrtidae) to fight against Mediterranean ecosystem pests. Description of the subject. As part of a biocontrol program of the pine processionary. Thaumetopoea pityocampa Denis & Schiffermüller. https://parisnaturalfoodes.shop/product-category/orange-fl-vitamin-c-powder/