unknown

Ulmus davidiana var. davidiana

Ulmaceae · broadleaf deciduous shrub · introduced

Last updated May 11, 2026

Plant Profile

Ornamental Interest

Origin

restricted to China, found in the provinces of Hebei

Dutch Elm DiseaseHigh

Fungal Colonization of Xylem

Peak Population & Dispersal

Elm leaf beetleHigh

Larval Feeding

Fall webwormHigh

Larval Feeding & Web Building

+ 2 more — see full disease and pest lists below

Diseases: Regionally Documented (4)

Neonectria ditissima Nectria Canker Ophiostoma novo-ulmi Dutch Elm Disease Multiple bacterial species, including Enterobacter cloaca... Bacterial Wetwood Slime Flux Enterobacter cloacae and Klebsiella pneumoniae Bacterial Wetwood

Pests: Regionally Documented (9)

Aphidoidea Aphid Scolytinae Bark beetle Nymphalis antiopa Spiny elm caterpillar Gossyparia spuria European elm scale Fenusa ulmi Elm leafminer Xanthogaleruca luteola Elm leaf beetle Prionoxystus robiniae Carpenterworm Hyphantria cunea Fall webworm Lepidosaphes ulmi Oystershell scale

Data Maturity

Baseline Extension data. Expert review underway.