The staff at the Balaton Limnological Research Institute confirmed that a significantly smaller swarm of mayflies is expected at Lake Balaton this year compared to last year. “The mass of the spring larval population currently developing in the Lake Balaton sediment—which precedes the swarm—is significantly smaller for the entire lake than it was in 2025, […] The post Researchers Reveal If a Balaton Midge Invasion Is Expected This Summer appeared first on Hungary Today.