Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleTHE NORTH AMERICAN VARIETIES OF VOLUCELLA BOMBYLANS LINN.AuthorsJOHNSON, CHARLES W.PublicationPsyche: A Journal of Entomology, 1925, Vol 32, Issue 2, p114ISSN0033-2615Publication typeArticle