The Brown-lined Looper (Neoalcis californiaria) is a species of moth of the Geometridae family. It is found along the west coast of North America, from California to British Columbia. The wingspan is about 34 mm. The larvae feed on various broadleaf trees and shrubs, but mainly Douglas-Fir. Other host plants include Western Hemlock, Western Red Cedar, Grand Fir and Lodgepole Pine.