At least four individuals found on downed Pacific madrone (Arbutus menziesii). Associating with Chariessa elegans (https://www.inaturalist.org/observations/10554243). C. elegans is a known predator of N. conjunctus larvae. N. conjuctus is a borer and a pest of Pacific madrone (https://catalog.extension.oregonstate.edu/sites/catalog/files/project/pdf/ec1619.pdf).