Army cutworm (Euxoa auxiliaris) moths summering in Great Basin National Park
Army cutworm (Euxoa auxiliaris) moths summering in Great Basin National Park. Research Permit and Reporting System
During their periodic outbreaks, native army cutworms (Euxoa auxiliaris) consume seedlings of exotic cheatgrass to produce cheatgrass “die-offs.” The larvae pupate in late spring and emerge as miller moths that follow the blooms of flowering plants to high elevations for the summer. “Millions” of moths were found in Great Basin National Park after larval outbreaks and cheatgrass die-offs in 2014. Understanding Euxoa auxiliaris outbreaks and migrations in the Intermountain West will let us bette
- Type
- Unpublished Report
- Publisher
- Research Permit and Reporting System
- Units
- GRBA