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Now’s the time to look for Spotted lanternfly egg masses

an old car tire with light gray spotted lanternfly egg masses on it
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By Carrie Carmenatty
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  • Cornell Integrated Pest Management
Adult spotted lanternfly might have disappeared with summer, but they're simply gearing up for next season.

SLF will lay eggs on any solid surface, including trees, tires—even lawn furniture. Scrape the eggs by putting them in doubled sealable bags, alcohol or hand sanitizer or by smashing or burning them. Fewer eggs this winter mean fewer SLF next summer. 

covered and uncovered egg masses.
Spotted Lanternfly egg mass. Eggs are laid in 1 inch long segmented rows; egg masses may contain up to about 60 eggs. Sometime during winter, the covering begins to crack. Photo: Emelie Swackhamer, Penn State University.
hands with a stick scraping an egg mass into a container
If found, spotted lanternfly eggs should be scraped off of the surface and into a container of alcohol. Photo: PA Department of Agriculture.

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