Latest Forecast | ipmPIPE September 20, 2017 Mary Cucurbit Downy Mildew Epidemic Updates September 20, 2017: New report from NH. CDM has been confirmed in Stafford County, NH. September 18: No new reports. Please view the Epidemic History for details. Categories: Cucurbit disease and pest reports Tags: CDM ipmPiPE Cucurbit Downy Mildew