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ViewAttendees 22

P-IE

Student Competition 10-Minute Paper

Grad 10-min: P-IE, Invasive Species

A preliminary study using tree cores to investigate spotted lanternfly (Lycorma delicatula) feeding damage to tree-of-heaven (Ailanthus altissima)

On-Demand
Student Competition On-Demand
During the winter of 2019 and 2020, twenty tree cores were collected from tree-of-heaven (Ailanthus altissima) at two sites in the core infestation zone of Berks and Montgomery County, Pennsylvania. All sampled trees were observed to have high populations of Lycorma delicatula feeding since 2016. Tree cores were processed in the lab and analysed using standard dendrochronology methods. Standardized ring-width indices were analysed in R to determine if L. delicatula caused reduced growth in A. altissima since it's invasion.