Foley, J. R., Salom, S., & Minteer, C. (2018). Hemlock Woolly Adelgid Adelges tsugae (Annand 1928) (Insecta: Hemiptera: Adelgidae): EENY-709/IN1221, 7/2018. EDIS, 2018(5). https://doi.org/10.32473/edis-in1221-2018