Spotted Lanternfly Found In NYS and Ridgefield CT!

August 3, 2023

Spotted Lanternfly (SLF), has been found in NYS and is starting to be found in small quantities In Ridgefield near the state line. These guys are very invasive and devastating to trees. Unfortunately they will most likely become more numerous in our area.

The Spotted Lanternfly (Lycorma delicatula or SLF) is native to China and was first detected in Pennsylvania in September 2014. Spotted lanternfly feeds on a wide range of fruit, ornamental and woody/forest trees, with tree-of-heaven (Ailanthus) being one of the preferred hosts. Spotted lanternflies are invasive and can be spread long distances by people who move infested material or items containing egg masses. In the US, there are no natural predators for SLF, so the only way to stop the spread is to take action. If you find one, squish it, take a photo, noted the locations, and report it to If find egg masses, scrap them off, bag them, and report findings to the same link above. Since these pests are a big threat or our agricultural industry, as well as trees and plants in your yard, it is important to take action if you discover these insects.

Precautionary measures you can take:

1) Remove any “Tree of heaven” from your property if you have it. These trees are invasive and considered a weed anyway. The best course of action is to remove the tree, grind the stump, and if you desire we can recommend another tree to be planted.

2) If you find SLF anywhere on your property, avoid transporting wood debris from your property if possible.

3) If you want to protect your trees, there are insecticide treatments that can be administered in late spring-summer and will protect your tree(s) for about one year.

For more information about SLF in CT click here
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