Nevada
4 active alerts in this region
TreeIssues monitors plant and tree health threats across Nevada. Below you will find current alerts for pests, diseases, fungi, and invasive species that have been detected in the state. Alerts are sourced from USDA, USFS, and Nevada state agricultural agencies. Each alert includes severity ratings, affected species, symptoms, and recommended treatments.
Mountain Pine Beetle
CRITICALA native bark beetle responsible for massive die-offs of lodgepole, ponderosa, and whitebark pines across western North America. Climate change has expanded its range northward and to higher elevations. Outbreaks have affected tens of millions of acres.
Affecting 9 regions
Ips Bark Beetles
MODERATEA genus of bark beetles that attack stressed and weakened pines throughout North America. While they typically colonize dying trees, drought and overcrowding can trigger outbreaks that kill healthy timber.
Affecting 19 regions
Asian Longhorned Beetle Damages hardwood trees by tunneling deep into trunks and branches
MODERATEAsian Longhorned Beetle Damages hardwood trees by tunneling deep into trunks and branches - identified by USDA APHIS as a pest threat.
Affecting 50 regions
Powdery Mildew
LOWA widespread group of fungal diseases that produce a distinctive white powdery coating on leaves and shoots. It affects hundreds of tree, shrub, and plant species. Unlike most fungi, it thrives in warm, dry conditions with high humidity.
Affecting 49 regions