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Published online by Cambridge University Press: 31 May 2012
Palpi, vertex, and thorax, fawn colored. Frons with appressed white scales, overhung with long ochreous scales.
Male. Fore wing above, light fawn; finely and uniformly reticulate with purplish black, two or three reticulations widened at the costal third, with the spaces between these reticulations reflecting cupreous and causing this area to appear as an indistinct costal spot; a similar costal spot two-thirds from the base, and one at the middle near the edge of the posterior margin; a small oblong discal spot at the end of the cell.
* Severin, H. C. The Plum web-spinning Sawfly. S. Dak. State Ent. Tech. Bull., No. 1, 53 pp., 11 figs. (1920).