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Published online by Cambridge University Press: 31 May 2012
A large, finely punctate, vittate species having the facies of a giant form of D. griseostriatus (Degeer), and to a lesser degree resembling very large specimens of Hygrotus unguacularis (Crotch). Readily distinguished from the described Nearctic Deronectes by the narrowly separated and nearly parallel metacoxal lines.
* Mr. J: Balfour-Browne has dissected the aedeagus of Sharp's type of grammicus and confirms my identification of the Mexican and New Mexican examples.