Ash: Emerald ash borer (EAB) Categories: All Insects Ash Ash Insects High Alert Invasive Insects High Alert Invasive Pests Ornamental trees Ornamentals Last review date: 2026-11-02 02:25 Last edit date: 2026-10-15 Without intervention, a city can expect to lose 90% to 100% of its ash trees within about a decade of infestation by the emerald […]
Japanese Beetle Categories: All Insects High Alert Invasive Insects High Alert Invasive Pests Last review date: 2026-11-03 12:46 Last edit date: 2026-11-02 You can see metallic green coloring on a Japanese beetle’s head, legs, and the hard, plate-like shield right behind the head (pronotum). This male beetle has a sharp spine visible on its front […]
Spotted Lanternfly Categories: All Insects High Alert Invasive Insects High Alert Invasive Pests Last review date: 2026-11-03 11:50 Last edit date: 2026-11-02 This Spotted Lanternfly’s spread wings show off the unique colorway of the invasive planthopper. Image credit: ©Allen Browne/iNaturalist Biology The spotted lanternfly (Lycorma delicatula) is an invasive planthopper, native to Asia, that may […]
Weeds: Tree of Heaven Categories: Broadleaf Class C High Alert Invasive Pests High Alert Invasive Plants Noxious Weeds Sh-Z Weeds Last review date: 2026-10-13 07:56 Last edit date: 2026-10-13 Scientific name: Ailanthus altissima Family: Simaroubaceae Cycle: Perennial Plant type: Broadleaf, woody, deciduous Other Common Names: Ailanthus tree, Tree-of-heaven Tree of Heaven is highly adaptable to […]
