https://www.johnkreft.com/lake-flies/harrops-callibaetis-paraspinner/
Harrops Callibaetis Paraspinner - RiverKeeper Flies
Dec 4, 2025 - The Harrops Callibaetis Paraspinner is an effective spinner fly pattern for Callibaetis. Here is the pattern sheet, materials list and pictures.
harropscallibaetisriverkeeperflies