1. Andersson, H., “Studies on the Myrmecophilous Fly Glabellula arctica (Zett.) (Dipt., Bombyliidae),” Ent. Scand. 5, 29–38 (1974).
2. Becker, T., “Genera Bombyliidarum,” Ezheg. Zool. Mus. 17, 421–502 (1913).
3. Bowden, J., “Family Bombyliidae,” in A Catalog of the Diptera of the Oriental Region. Vol. II. Suborder Brachycera (Univ. Press Hawaii, Honolulu, 1975), pp. 165–184.
4. Bowden, J., “Family Bombyliidae,” in Catalog of the Diptera of the Afrotropical Region (British Museum Nat. Hist., London, 1980), pp. 381–430.
5. Evenhuis, N.L., “New East Asian Systropus (Diptera: Systropidae),” Pacific Insects 24, 31–38 (1982).