Synonyms and other taxonomic changes
Apamea dubitans (Walker, 1856)
Mamestra dubitans Walker, 1856
Apamea insignata Walker, 1857
Hadena sputator Grote, 1873
Hadena sputatrix Grote, 1875
Agroperina dubitans Hampson, 1908
Xylophasia sputatrix
Phylogenetic sequence # 932344
Explanation of Names
Latin for "doubting, wavering" from dubito- "to doubt, waver"
Identification

Base of rose-thorns higher than wide; barrel shaped. In A. cogitata, base of rose-thorn nearly flat; much wider than high. Forbes, 1954

digitus slender, long and narrow
See Also
Apamea cogitata is typically not as dark. (
compare images of both species)
Print References
Grote, A.R. 1873. On eight species of Noctuidae.
Bulletin of the Buffalo Society of Natural Sciences. 1:
190 -
Hadena sputator
Hampson, G.F. 1908.
Catalogue of the Lepidoptera Phalænæ in the British museum. 7:
398 -
Agroperina dubitans
Smith, J.B. 1891. Contributions toward a monograph of the Noctuidae of temperate North America. Revision of the species of Hadena referable to
Xylophasia and
Luperina.
Proceedings of the United States National Museum. 13(839):
422 -
Xylophasia sputatrix
Smith, J.B. 1810. Notes on North American species of
Agroperina Hampson.
Journal of the New York Entomological Society. 18(3):
140 -
Agroperina sputatrix
Walker, F.W. 1856. Noctuidae.
List of the specimens of lepidopterous insects in the collection of the British Museum. 9:
232