IUCN threat status:

Least Concern (LC)

Distribution

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Range Description

Known from north Borneo (records from Sabah and Sarawak) and Sumatra (subspecies hoogerwerfi). In Borneo its distribution appears to be centred around northeast Sarawak and Sabah. Two males from the type series are from Mount Matang (Laidlaw 1915), a problematic location; there is a peak named Matang just outside of Kubah National Park in west Sarawak, this is near to the Matang Road, a famous collecting location for odonates in west Sarawak. However there is also a peak named Matang in extreme northeast Sarawak, very close to the border with Sabah (J. van Tol pers. comm. 2007). R. Dow (pers. comm. 2008) is not aware of other records of the species in Borneo from west of Miri Division in Sarawak (Dow 2007), so it appears likely that the species referred to as from Mount Matang is the one in northeast Sarawak. The majority of records from Borneo come from Sabah (Laidlaw 1915, 1920, 1934; Orr 2003 and photographic records from various locations). C. hoogerwerfi was described from a single male from north Sumatra (Lieftinck 1940), taken at 1,500 m. There are no additional records until 1954 when Lieftinck gave its distribution in Sumatra as north and southwest without specifying details of the material that this was based upon. Subsequently Asahina (1967), using material from Lieftincks collection, gave the distribution as C.W. Sumatra only; the distribution of the subspecies in Sumatra seems to be a matter of some confusion.

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Source: IUCN

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