Author: Townes, Henry & M.Townes.
Title: Ichneumon-Flies of America North of Mexico.
Description: Washington, 1959-1962. 3 vols. IX,318pp, VII,676pp, VIII,602pp. Vols. 1 & 3 soft cover. Vol. 2 imm. leather.1: Subfamily Metopiinae. 2:Subfamilies Ephialtinae, Xoridinae, Acaenitiae. 3: Subfamily Gelinae, Tribe Mesostenini.

Keywords: Entomology America True Flies Brachycera Entomologie Amerika Vliegen Diptera