"Spencer (1966)" . . "1966"^^ . "Spencer (1966)" . "Spencer, K. A., 1966. A revision of European species of the genera Melanagromyza Hendel and Hexomyza Enderlein, with a supplement on the genus Ophiomyia Braschnikov. Beitr\u00E4ge zur Entomologie, 16: 3-60." . . . "1966"^^ .