Overview

Distribution

Range Description

The species has been recorded from coastal forests and lower slopes of Eastern Arc mountains in Kenya and Tanzania, for exact location of remaining coastal forests, refer to Burgess and Clarke (2000).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
It inhabits coastal forests, depends on phytotelmata for breeding and needs dense forest understory.

Systems
  • Terrestrial
  • Freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
VU
Vulnerable

Red List Criteria
B2ab(ii,iii)

Version
3.1

Year Assessed
2010

Assessor/s
Clausnitzer, V.

Reviewer/s
Tchibozo, S., Ogbogu, S.S. & Smith, K. (IUCN Freshwater Biodiversity Unit)

Contributor/s

Justification
The species is listed as Vulnerable in view of its restricted habitat requirements (dense coastal forest with phytotelmata) and highly disjunct distribution in the fragmented coastal forests of Kenya and Tanzania (see also Clausnitzer and Lindeboom 2002, Clausnitzer 2003). The coastal forests of eastern Africa were once a continuous belt from southern Somalia down to Mozambique. Today these forests only exists in tiny and highly fragmented patches. Coryphagrion grandis depends on this habitat and the remaining populations are thus highly isolated. It is also affected by genetic flow and re-occupation of areas, e.g., after severe droughts is hindered (e.g., Groenveld 2003). Even without further forest destruction, the survival of all populations in future seems unlikely, unless corridors are constructed. It is listed as Vulnerable.

History
  • 2006
    Vulnerable
    (IUCN 2006)
  • 2006
    Vulnerable
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Population

Population
No information available.

Population Trend
Unknown
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Threats

Major Threats
Destruction of coastal forest and coastal thicket caused by agriculture and wood extraction are threats to the species. It is though to be affected by drought due to climate change too.
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Management

Conservation Actions

Conservation Actions
No information available but research into population numbers and range, conservation measures, and trends/monitoring of the species would be valuable. Habitat and site-based actions are also required.
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Wikipedia

Coryphagrion grandis

Coryphagrion grandis is a species of damselfly found in coastal forests and on the lower slopes of the Eastern Arc Mountains in Kenya, Tanzania and Mozambique. Its monotypic genus Coryphagrion was formerly considered the only member of the family Coryphagrionidae ( sometimes placed in the Megapodagrionidae as subfamily Coryphagrioninae). It is now placed within family Pseudostigmatidae, whose other members are all Neotropical.

References[edit]


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