Hi, I'm searching for studies on the diet of the mayfly Ephemera vulgata (Linnaeus 1758)? From a European database (freshwaterecology.info), its feeding type preferences is given as 20% gatherer (FPOM sediment) and 80% active filter feeder (FPOM, CPOM and micro prey from the water column). The reference for this information is given as the AQEM expert consortium. I would be really interested to see the original study providing this information, or any other studies that explores food item preferences (e.g. gut content) of E. vulgata. If you know about any papers, thesis, reports etc. with such information, even anectodical, I would be grateful if you could share this information with me.
Tor Erik