AUTHOR=Dechaine Andrew C. , Pfeiffer Douglas G. , Kuhar Thomas P. , Salom Scott M. , Leskey Tracy C. , McIntyre Kelly C. , Walsh Brian , Speer James H. 

TITLE=Dendrochronology reveals different effects among host tree species from feeding by Lycorma delicatula (White)

JOURNAL=Frontiers in Insect Science

VOLUME=3

YEAR=2023

URL=https://www.frontiersin.org/journals/insect-science/articles/10.3389/finsc.2023.1137082

DOI=10.3389/finsc.2023.1137082

ISSN=2673-8600

ABSTRACT=<p>The spotted lanternfly, <italic>Lycorma delicatula</italic> (White) (Hemiptera: Fulgoridae), was first detected in the United States in Berks County, Pennsylvania, in 2014. Native to China, this phloem-feeding planthopper threatens agricultural, ornamental, nursery, and timber industries in its invaded range through quarantine restrictions on shipments, as well as impacts on plants themselves. The long-term impacts of <italic>L. delicatula</italic> feeding on tree species have not been well studied in North America. Using standard dendrochronological methods on cores taken from trees with differing levels of <italic>L. delicatula</italic> infestation and systemic insecticidal control, we quantified the impact of <italic>L. delicatula</italic> feeding on the annual growth of four tree species in Pennsylvania: <italic>Ailanthus altissima, Juglans nigra, Liriodendron tulipifera</italic>, and <italic>Acer rubrum</italic>. The results suggest that <italic>L. delicatula</italic> feeding is associated with the diminished growth of <italic>A. altissima</italic>, but no change was observed in any other tree species tested. The results also suggest that systemic insecticides mitigate the impact of <italic>L. delicatula</italic> feeding on <italic>A. altissima</italic> growth.</p>