Type: report

Article abstract: ECORP Consulting, Inc (ECORP) was retained by the Bureau of Land Management (BLM) to conduct presence/absence surveys for the federally ndangered Quino checkerspot butterfly (Euphydryas editha quino) at the Dulzura Fuel Break located in the County of San Diego, California. Six Quino checkerspot butterfly (QCB) adult focused surveys were conducted in accordance with the most recent protocol guidelines for this species (USFWS 2002) along anapproximately 1.5-mile stretch of the Dulzura Fuel Break during the 2007 flight season. The surveys resulted in thifteen QCB detections over the course of the surveys, the peak of which occurred in late March.