Wainuia urnula is a species of air-breathing predatory land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae.
Distribution and description This species inhabits the North Island in New Zealand.Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 Species is distinctively colorful with a large reddish patch in the umbilicus with the foot being of maroon color. Shells are relatively small when compared to sub fossil shells of the native island.
Feeding habits The diet of Wainuia urnula was found to contain amphipods (Parorchestia tenuis) in over 80% of snails sampled.Efford M. G. 2000. Consumption of amphipods by the New Zealand landsnail Wainuia urnula (Pulmonata: Rhytididae). Journal of Molluscan Studies 66: 45–52. abstract
Life cycle Dimensions of a group of eggs of Wainuia urnula were: 5 × 4, 5 × 4, 5 × 4, 5 × 3.75, 4.5 × 3.5, 5.25 × 4.25 mm.O'Connor A. C. (June) 1945. Notes on the Eggs of New Zealand Paryphantidae, With Description of a New Subgenus. Transactions of the Royal Society of New Zealand, volume 5, 1945-46, pages 54-57.
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