Dahlia: Virus Categories: Bulbs Dahlia Dahlia Diseases Ornamentals Last review date: 2026-10-12 08:37 Last edit date: 2025-11-08 Dahlia mosaic virus symptoms Photo by: R.S. Byther Biology Tomato spotted wilt virus (thrips vector) induces a yellow-green mosaic, irregular concentric rings, or even wavy-lines in older leaves. Dahlia mosaic virus (aphid vector) produces chlorosis along veins and […]
Dahlia: Earwigs Categories: Bulbs Dahlia Dahlia Insects Ornamentals Last review date: 2026-09-15 12:52 Last edit date: Earwig as nuisance pest on flowers Photo by: M. Bush Biology Earwigs are reddish-brown insects about 3⁄4 inch or less in length. Both males and females have pincers at the rear end. Earwigs are largely beneficial, feeding on many […]
Dahlia: Western spotted cucumber beetle Categories: Bulbs Dahlia Dahlia Insects Ornamentals Last review date: 2025-11-08 09:31 Last edit date: Western spotted cucumber beetle Photo by: K. Grey Biology The western spotted cucumber beetle is a pest of many ornamentals and vegetables. About 1⁄4″ long, the adult beetles have yellow wing covers with black spots. The […]