11/13/2023 0 Comments Spotted lantern fly tree damage![]() ![]() LLP, 2013), including impacts on jobs, taxes, and tourism. Ontario has a prominent wine and grape industry, with a total economic impact of $3.3 billion (see infographic Frank, Rimerman & Co. Similar economic concerns exist if this pest were to establish itself in Ontario. Pine and hardwood logging in Pennsylvania also account for $12 billion in sales. The Pennsylvania Department of Agriculture (2014) stated that the spotted lanternfly “poses a significant threat to the state’s more than $20.5 million grape, nearly $134 million apple, and more than $24 million stone fruit industries. In Pennsylvania where this pest has been detected, impacts on the economy are possible. In addition, due to SLF’s wide range of hosts during immature life stages, it has the potential to result in widespread damage on a broad range of species. Literature from Korea reports that the nymphs do the most damage, feeding on and destroying grape vines and other hosts en masse. Feeding damage in PA from adults has been observed on Ailanthus and Salix, although no tree mortality has been reported. Day, Virginia Polytechnic Institute and State University, gĭue to the recent detection and limited distribution of SLF in North America, impacts have not been widespread. Photo: Emelie Swackhamer, Penn State University, Insects overwinter as eggs within an egg case adults do not survive through winter.In late summer, adults will mate and lay eggs.Feeding preferences change as the insect matures: wide range of host trees as immature nymphs, but specifically target a few species as adults (i.e.Feeding takes place from April until November. ![]() After hatching from eggs in April, the nymphs mature through the 4 stages, until they develop into adults in mid-summer (July)
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