![]() ![]() According to Penn State Extension, early instars tend to feed on new growth of a plant, such as the stems and foliage. Several early-stage SLF nymphs feeding on tree-of-heaven. When at rest, the adult SLFs appear light pinkish-grey. The forewings are light brown with black spots, and the underwings are a striking red and black, with white band in between the red and black. The adults are about 1 inch long, with very brightly colored wings. “Currently, SLF nymphs are in their 1 st-3 rd instar, so watch for small, black, white-spotted bugs on Tree-of-Heaven.” She described later instars as black and red with white spots. “Finding this invasive insect early is crucial to preventing its spread as long as possible,” she said. “A few adults have been caught about one mile south of the core infestation site in Huntington however, there are not any new infestations reported as of July 2023.” She added that Indiana Department of Natural Resources (IDNR) employees have completed several egg scraping events at the infestation sites, removing over 16,800 egg masses so far this year. “Egg hatch was confirmed in Huntington County and Switzerland County in mid-May at the two known sites,” she said. Alicia Kelley, Indiana Cooperative Agricultural Pest Survey (CAPS) State Survey Coordinator at Purdue University, recently wrote about egg hatch and early instars (nymphs) of spotted lanternfly in Huntington County. ![]() The first population was found in 2021 in Switzerland County, and the second population was found in Huntington County in 2022.ĭr. There are two known populations of SLF in Indiana. I urge local residents to be on the lookout for this new economically damaging pest of orchards and vineyards. We have not had any confirmed cases of spotted lanternfly (SLF) as of early July in Whitley County, but they have been confirmed in nearby Huntington County to our south. They are strong jumpers and will jump when prodded or frightened. ![]() They have black bodies and legs and are covered in bright white spots. As they age, they grow to be ~1/4 inch long. According to Penn State Extension, these hatch from the eggs and are just a few millimeters in length. Above photo by Dalton Ludwick on Penn State Extension website. ![]()
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