The common species of the stony soils mainly within the coastal forests on the steep slopes of the Kaikoura mountains. See also Megadromus rectalis and Megadromus rectangulus. Yet another black species, very similar to Megadromus walkeri and Megadromus sandageri. Found in the southern, mostly coastal areas of Marlborough. It it has Megadromus rectangulus, Megadromus rectalis, Megadromus compressus and Megadromus antarcticus as close neighbours.