D3461: The phenology of Cydalima perspectalis (Lepidoptera: Crambidae), the box tree moth, in its current U.S. invasive range

In 2018, a population of Cydalima perspectalis, the Box Tree Moth (BTM), was discovered in New York state. C. perspectalis is a key pest of boxwoods in Europe and Canada, however limited research has been conducted within the United States on the species. Establishment of the BTM in the U.S. threatens boxwood production, a common ornamental evergreen shrub used in landscaping. BTM larvae strip boxwoods of their foliage and can feed on the bark once defoliation is completed, leading to the death of the host plant.

This project documents the phenology of C. perspectalis, Lepidoptera: Crambidae, in its newfound US range. Data collected in 2022 indicated that larval activity peaks in July and mid-September, whereas adult activity peaks mid-July and early September. Ultimately, the focus for this study is to provide a better understanding of peak activity in C. perspectalis under urban and suburban conditions, allowing for better understanding in controlling this invasive pest.