Welch 1963. Amphimermis bogongae sp. nov. and Hexamermis cavicola sp. nov. from the Australian bogong moth, Agrotis infusa (Boisd.) with a review of the genus Amphimermis Kaburaki & Imamura, 1932 (Nematoda : Mermithidae). Parasitology, 53 1963: 55-62