Several studies have demonstrated that the invasive ladybird Harmonia axyridis is a strong intra-guild predator of native species of ladybird. Laboratory studies have shown that H. axyridis can be an intra-guild predator of aphid predators other than coccinellids. including the hoverfly Episyrphus balteatus and lacewing Chrysoperla carnea. https://atlanticknifers.shop/product-category/morale-patch/