Whiteflies (Aleyrodidae) is small group of insects (Insecta) that comprises around 1500 species from 160 genera. Whiteflies damage important cultivated and ornamental plants by sucking plants juice. Most of the species are from tropical area. in our region they are the most common in greenhouses. https://parisnaturalfoodes.shop/product-category/colloidal-silicea/