June 2024
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UGA Department of Plant Pathology and UGA County Extension Coordinator Coweta County GA Turfgrass disease samples keep coming to our Department of Plant Pathology Plant Disease Clinics. Gray leaf spot (GLS) is showing up now, which is earlier than historically seen and a bit further north (Coweta County) than expected for this time of the…
Posted in: Turfgrass disease -
Bristly roseslug sawfly, Cladius difformis (Fig. 1), is a common species of roseslug in Georgia. The larval stages feed on rose leaves and cause extensive damage. Native to Europe, the bristly roseslug sawfly was accidentally introduced to the continental USA, a few decades ago. This roseslug is particularly problematic on rose shrubs in ornamental landscapes. Another roseslug common in the southeastern…
Posted in: Turfgrass insect pest -
The spotted lanternfly (SLF), Lycorma delicatula (White) (Fig. 1), is a non-native planthopper that can feed on a wide range of trees in the USA. SLF is native to China, India, and Vietnam and was first detected in Pennsylvania in September 2014. Since its initial detection, SLF has been confirmed in 17 additional states: New…
Posted in: Ornamental pests -
The Asian longhorned beetle (Anoplophora glabripennis, ALB; Fig. 1) is an invasive insect pest native to China and North and South Korea that threatens many hardwood trees in forests and landscapes in the USA. The pest is also referred to as the roundheaded borer because the segment below the head is round-shaped. The larval stages of ALB…
Posted in: Ornamental pests -
Owning or caring for a tall fescue lawn? Bentgrass green in the golf course? Then it’s time to scout for Brown patch (caused by Rhizoctonia solani) and Pythium blight (caused by Pythium spp). These diseases are often the most serious diseases on cool season grasses, especially on tall fescue, bentgrass and ryegrass in Georgia. Brown…
Posted in: Turfgrass disease