Ritters Plain pitfall area and surrounds A pre-fire aerial photo (14 April 2014) showing the pitfall area (blue dotted line), locations of pitfall traps with Lissodesmus piscator sp. nov. (yellow dots), a dense shrubbery of Richea scoparia (s) and the canal draining this portion of the Plain B view to the southeast on 28 March 2019 from a point near the western end of the pitfall area.