The 28th International Convention of Olive Growers and Oil Millers, “Noćnjak 2026,” organized by the Cooperative Union of Dalmatia, was held in Dubrovnik from March 26 to 29, 2026. As part of the event’s Scientific-Professional Conference, research assistant Luka Čotić (DOK-NPOO-2023-10-7422) gave a presentation titled “Waste Brewer’s Yeast in a New Role: Potential Protein Baits for Monitoring and/or Controlling the Olive Fruit Fly,” authored by Luka Čotić, Frank Zalom, and Elda Vitanović. During the presentation, Luka presented the results from the first two years of research under the Croatian Science Foundation project HRZZ-IP-2022-10-9643: “Novel approach to olive fruit fly (Bactrocera oleae, Rossi) monitoring and/or control using volatile compounds produced by brewing by-product – BeerBy-4-OliveFly,” led by Dr. Elda Vitanović. In addition to Luka, Dr. Mira Radunić, a member of the project team, also attended Noćnjak.