In 2021 and 2022. two predatory flies from the genus Medetera (Diptera: Dolichopodidae) were recorded in galleries of Ips acuminatus (Coleoptera: Curculionidae) on Pinus sylvestris trees in Sredna Gora Mountain in Bulgaria: M. pinicola and M. dendrobaena. https://pipingrockers.shop/product-category/calcium-citrate/