Nearly 50 people gathered in the Bolinas Firehouse’s cramped conference room on Tuesday night to hash out the future of mosquito control in West Marin. 

Since 2005, the Marin/Sonoma Mosquito and Vector Control District has maintained and periodically renewed a contract with a local mosquito council that has set forth policies specific to West Marin, where a diverse ecosystem of waterways, endangered species and organic farming makes pesticide use a touchier subject than it might…