IUCN threat status:

Near Threatened (NT)


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Range Description

E. insulanum is strictly endemic to Cocos Island, Province of Puntarenas, Costa Rica (Hgsater 1999). It has never been found on the continental lands of tropical America. Cocos Island (also known as Isla del Coco) is a volcanic island of 24 km2, located at 53257 N and 865917 W, in the Pacific Ocean (Castillo et al. 1988).

A previous distribution study of E. insulanum was done by Trusty (2004) who visited the island in 2004. She also recorded herbarium specimens and based on these data estimated an extent of occurrence (EOO) of 18.2 km2 for this species.We, the present assessors, visited the island in April 2006 and collected this species along five transects: i.e. the path between Wafer and ChathamBays, along GenioRiver, Punta Presidio, path to Cerro Yglesias and Los Llanos plain. Based on these data, we calculated an EOO of 3.0 km2.


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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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