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A recently introduced pest is attempting to settle in Georgia — and community involvement is essential for monitoring the incursion, according to researchers from the University of Georgia.

The spotted lanternfly, an insect originating from Asia, was initially discovered in Pennsylvania in 2014. Since then, lanternflies have progressively spread throughout the eastern United States and are now confirmed in 19 states.

Last autumn, the Georgia Department of Agriculture declared the state’s first identification of this insect in Fulton County after a citizen noticed an unusual insect and reported it to EDDMapS, the state’s designated reporting tool for lanternfly sightings.

Currently, Fulton County stands as the sole confirmed site of the invasive pest in Georgia.

What makes the lanternfly such a menace?

Every sighting provides crucial data for state and federal entities to inform their response measures.

With its noticeable bright spots and red markings, the spotted lanternfly might seem like merely another attractive insect. However, don’t be deceived — it poses a significant danger.

The spotted lanternfly feeds on over 70 plant types, including economically valuable hardwood trees, roses, hops, grapevines, and stone fruits such as peaches, plums, and cherries.

It also secretes a sugary substance known as honeydew, which can accumulate on plants and surfaces beneath host plants. This sticky coating encourages the growth of black sooty mold, leading to an unsightly mess that’s hard to clean. The repercussions for Georgia’s agriculture, forestry, and nursery sectors could be considerable, resulting in a serious economic impact across various industries.

How can you identify a spotted lanternfly?

Being able to identify what the lanternfly looks like and understanding where and when to look for each stage of its life cycle is essential for detecting and reporting this pest, researchers noted.

The insects hibernate as egg masses that mimic grayish, dried mud on tree trunks, branches higher in the canopy, and surfaces like patio furniture. Egg masses are observable from fall to spring and can easily be transported over long distances if attached to movable items.

This is why meticulous inspection of outdoor belongings before moving them is crucial.

In spring, the eggs hatch into black-and-white spotted nymphs measuring about 1/4 to 1/2 inch long. As they mature, the nymphs develop large, bright red markings on their backs, reaching around 3/4 inches.

Adult lanternflies are approximately an inch long, featuring grayish-brown front wings adorned with black spots and remarkable hindwings displaying cream, brown, and red patches.

Stay vigilant for adult lanternflies throughout the summer

The first sightings of spotted lanternfly nymphs in Georgia for 2025 were reported in April. From May to mid-June, older nymphs with red markings were noted. The first adult sightings occurred in mid-June, with adults from last autumn being spotted as late as November.

This indicates that it’s currently adult season, prompting experts to ask the public to remain observant through the summer.

Georgia is the southernmost state that has confirmed lanternfly populations. Additionally, the pest hasn’t resided here long enough for scientists to comprehensively understand its life cycle in this area. This renders public reports particularly significant for monitoring seasonal trends and range expansion, researchers stated.

The insects tend to gather in groups, especially lower down on plant surfaces. They are not adept flyers, and adult lanternflies can often be seen hopping or flying ineffectively.

Preferred hosts of lanternflies include tree-of-heaven and grapevines

The tree-of-heaven is the lanternfly’s favored host.

This rapidly growing invasive tree thrives alongside roads, railways, and areas with recently disturbed soil, like construction sites. It can reach heights of up to 90 feet, featuring large compound leaves — typically 1 to 4 feet long — that resemble those of sumac or black walnut.

When you crush a leaf, it emits a scent reminiscent of burnt peanut butter, an easy way to identify it.

Grapevines, both wild and cultivated, also serve as a preferred food source for the spotted lanternfly.

What actions should you take if you find a spotted lanternfly?

If you encounter a lanternfly, researchers encourage you to take a clear picture, crush the insect, and report the sighting via EDDMapS. Regions surrounding Fulton County are still at heightened risk.

Every public report aids researchers and agencies in monitoring the spread of this invasive insect.

For further information, visit the GDA and Georgia Invasive Species Task Force websites, or contact your local University of Georgia county agent for support.

The post A new insect threat in Georgia: The spotted lanternfly appeared first on UGA Today.

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