Synonyms and other taxonomic changes
Tetracis cachexiata Guenée, 
one of 13 species in this genus in North America
Forewing length 19–26 mm.
Adult - DFW with thin straight brown transverse PM line from apex to inner margin (sometimes indistinct) discal spot absent; DHW unmarked. Underside unmaculated., FERRIS & SCHMIDT, 2010. [Randy Hardy]
Larva - yellowish to brownish twig mimic with dorsal hump on thorax (1)
Nova Scotia to central British Columbia, south to northern Florida, and west to Montana and northern Colorado.
A montane and piedmont species
The flight period appears to be March to September with May to July the peak. (2)
many host plants for caterpillars; most are trees: pine, hemlock, spruce, fir, tamarack, arborvitae, maple, birch, hophornbeam, willow, poplar, cherry, hickory, ash, butternut, sheep laurel, oak, black locust, basswood, elm, dogwood, sweetfern, and iris.
Powell, J.A. & P.A. Opler 2009. Moths of Western North America
. University of California Press. plate 30, fig. 32; p. 219. (1)