Spotted Lanternfly Egg Masses found in Amherst, Ohio in Winter of 2022.

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Egg masses of Spotted Lanternfly, Lycorma delicatula,


eggs masses




on Tree of Heaven, Ailanthus altissima,


tree of heaven



were discovered by an arborist during the week of February 14.



Ohio Department of Agriculture inspected the trees the week of February 21st. A formal announcement was made by ODA in early March 2022. So, what can YOU do? Scout!



Spotted Lanternfly, Lycorma delicatula, is an invasive pest and commonly found to infest Tree of Heaven, Ailanthus altissima.






In addition, the insect’s 2nd favorite host is grapes which is bad news for vineyards in Ohio.






As of this article, infestations have been found in Jefferson County, Cuyahoga County and Lorain County.


All 3 of these infestations were found on Tree of Heaven that were growing along railroad tracks.


toh railroad



Infestation was first discovered in the United States near Philadelphia, Pennsylvania. The insect is a great hitchhiker on railroad cars and trucks. Adults can hop on a train that is idle,


idle traincars





and then transported to other locations.






Adults can hop off the train then lay eggs on typically Tree of Heaven


toh bud scar



but also on Mulberry, Morus alba.







The eggs are laid in the fall and stay dormant until they hatch in the spring.


eggs 4




The first instar is black measures around ¼”.






The 4th instar is red with white spots and measures around a half inch.






The adults can range from an inch to 1 ½ inches.


slf adult





These insects to not bite or pose a threat to people.


slf in hand





They do consume large amounts for sap from the phloem tissue causing the plant to look like it is bleeding.







In addition, the sap that is consumed and then discarded can drip on lower leaves of the plant in the for of honeydew and can produce sooty mold. Note the ants on the stem searching out honeydew.







So, what can you do?

  1. Locate Tree of Heaven and scout it once a week.


Video to locate Tree of Heaven ID



  1.  Load the Great Lakes Early Detection Network App on your Smart Phone


Video on how to load GLEDN App



  1. Scout for Spotted Lanternfly

Video about Spotted Lanternfly ID



  1. Report findings to GLEDN on the App or to the Ohio Department of Agriculture


ODA Link here:

click on Report an Infestation



Together, we can Slow the Spread!