Macrobiotus erminiae sp. n. (Binda & Pilato 1999 b)
Terra typica: Chile (South America)
Argentina:
• 54 ° 17 ′S, 66 ° 42 ′W; 50 m asl: Tierra del Fuego Province, Isla Grande de Tierra del Fuego, outskirts of Cabo San Pablo, peatmoss. Binda & Pilato (1999 b)
• 54 ° 47 ′S, 68 ° 24 ′W; 650 m asl: Tierra del Fuego Province, Isla Grande de Tierra del Fuego, de Tierra del Fuego, Ushuaia, peat-moss at the foot of the Glacier San Martial. Binda & Pilato (1999 b)
Chile:
• 52 ° 46 ′S, 69 ° 40 ′W; 50 m asl: Region XII Magallanes (Región de Magallanes y de la Antártica Chilena), Isla Grande de Tierra del Fuego, outskirts of Bahia Felipe, moss on soil. Binda & Pilato (1999 b)
• 53 ° 38 ′S, 70 ° 59 ′W; 50 m asl: Type Locality: Region XII Magallanes (Región de Magallanes y de la Antártica Chilena), San Juan (Punta Arenas), mosses on soil. Binda & Pilato (1999 b)
• 55 ° 14 ′S, 66 ° 33 ′W; 200 m asl: Tierra del Fuego Province, Isla Nueva, mosses on soil. Binda & Pilato (1999 b)
Record numbers: Argentina: 2, Chile: 3; total: 5.
Remarks: Currently endemic to the Tierra del Fuego region of South America. This species belongs to the Macrobiotus harmsworthi group, which require careful examination to ensure correct identifications (see Kaczmarek et al. 2011 for a diagnostic key to the group).