New York Enacts Spotted Lanternfly Quarantine
October 11, 2018 New York officials are enacting a quarantine on movement into the state of landscaping debris and other items from four states affected by a new invasive insect called the spotted lanternfly (SLF).
The quarantine restricts movement of certain goods into New York from New Jersey, Pennsylvania, Delaware, and Virginia. Items affected include yard waste, firewood, wooden crates, nursery stock, fruit, and produce. Also included are outdoor articles such as lawn tractors, grills, tarps, and vehicles stored outdoors.
People transporting any of the listed items will need documentation of the origin and destination of shipments. The state Department of Agriculture will have compliance checks around the state.
People who visit the infested states are urged to inspect their vehicles for lanternfly egg masses and scrape them off before leaving.
The pest was first found in the state last month. The New York State Departments of Environmental Conservation (DEC) and Agriculture and Markets (DAM) announced last month that spotted lanternfly (SLF), an invasive pest from Asia, has been found in Albany and Yates counties. A single adult insect was discovered in a vehicle in the Capital District. In addition, a single adult insect was reported on a private Keuka Lake property in Penn Yan, Yates County.
“DEC and our partners at the Department of Agriculture and Markets are closely tracking the spotted lanternfly, a destructive invasive pest, as part of our ongoing efforts to prevent its establishment and spread in New York. This pest has the potential to severely impact our state’s agricultural and tourism industries,” DEC Commissioner Basil Seggos said. “We are encouraging the public to send us information to bolster our efforts — they are our eyes on the ground.”
Following both reported cases, DEC and DAM immediately began extensive surveys throughout the area. At this time, no additional insects have been found. DEC and DAM urge New Yorkers to report potential sightings to [email protected].
“It’s critical that we monitor for and control this invasive species, which can weaken plants and have a devastating impact on our farm crops and agricultural production, especially apples, grapes, and hops,” State Agriculture Commissioner Richard A. Ball said. “Since our farmers are among those facing the greatest potential impact, we ask them to join us in helping to watch for the spotted lanternfly, and signs of infestation, and report any sightings immediately.”
SLF is a destructive pest that feeds on more than 70 plant species including tree-of-heaven (Ailanthus altissima), maples, apple trees, grapevine, and hops. SLF feedings can stress plants, making them vulnerable to disease and attacks from other insects. SLF also excretes large amounts of sticky honeydew, which attracts sooty molds that interfere with plant photosynthesis, negatively affecting the growth and fruit yield of plants. SLF also has the potential to significantly hinder the quality of life due to the honeydew and the swarms of insects it attracts.
SLF was first discovered in Pennsylvania in 2014 and has since been found in New Jersey, Delaware, and Virginia. Given the proximity to the Pennsylvania and New Jersey infestations, New York state is at high risk for infestation. While these insects can jump and fly short distances, they spread primarily through human activity. SLF lays its eggs on any number of surfaces such as vehicles, stone, rusty metal, outdoor furniture, and firewood. Therefore, the insect can hitch rides on any outdoor item and be easily transported into and throughout New York.
Jennifer Grant, Cornell University Director New York State IPM Program said, “Knowing that this pest was likely to arrive, we have been working with our state partner agencies to develop integrated strategies to get the word out and manage SLF in grapes, hops, apples, and other susceptible crops. It’s imperative that the public help slow the invasion and spread by reporting possible sightings and acting responsibly when traveling in quarantine areas.”
Adult SLF are active from July to December. They are approximately one-inch long and half an inch wide at rest, with eye-catching wings. Adults begin laying eggs in October. Signs of an SLF infestation may include:
- Sap oozing or weeping from open wounds on tree trunks, which appear wet and give off fermented odors.
- One-inch-long egg masses that are brownish-gray, waxy, and mud-like when new. Old egg masses are brown and scaly.
- Massive honeydew build-up under plants, sometimes with black, sooty mold developing.
Anyone who suspects they have found SLF is encouraged to send a photo to [email protected]. Please note the location of where the insect was found, egg masses, and/or infestation signs. DEC and DAM also encourage the public to inspect outdoor items such as vehicles, furniture, and firewood for egg masses. Anyone who visits the Pennsylvania or New Jersey quarantine areas should thoroughly inspect their vehicles, luggage, and gear for SLF, and scrape off all egg masses before leaving.
A smartphone application is also available to help citizens and conservation professionals quickly and easily report new invasive species sightings directly to New York’s invasive species database from their phones. For more information, visit New York’s invasive species database.
DEC, DAM, New York State Office of Parks, Recreation, and Historic Preservation, and the USDA will continue to survey throughout the Capital District and the Finger Lakes focusing on travel corridors and high-risk areas. Extensive surveys will continue to be conducted in high-risk areas throughout the state, as well as inspections of nursery stock, stone shipments, commercial transports, etc., from Pennsylvania. DEC and DAM will also continue their efforts to educate the public, as well as industry personnel.
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