Published online by Cambridge University Press: 31 May 2012
During the past four or five years, several puzzling specimens of a form of Euxoa closely related to plagigera and oblongostigma have been collected in various parts of Montana. Some examples were submitted to Dr. McDunnough in the writer of 1927-8, and he reported as follows:
This form has always puzzled me; it occurs in Utah and I believe it to be a brown form of plagigera but some run very close to oblongostigma and are very hard to separate without genitalic slides.