Editore: UMI Dissertation Services, Ann Arbor, MI, 1976
Da: Ulysses Books, Michael L. Muilenberg, Bookseller, Trumansburg, NY, U.S.A.
Soft cover. Condizione: Near Fine. Dissertation awarded by The University of Minnesota, in 1976; facsimile by UMI. Softcover in Near Fine condition, large 8vo. Blue stiff wrapper with paper label. 136 figures, bibliography. Almost like new. "Within the subgenus 30 species, including nine new species, are recognized and described. Larvae for 15 and pupae for 17 of the species are included in the revision". "Adult females are not treated." Keys are included.