Mecodema haunoho

Mecodema haunoho is the only ground beetle (Carabidae) species that is endemic to Little Barrier Island (Hauturu).[1][2][3] It is sister species the Great Barrier Island (Aotea) species M. aoteanoho and both are closely related to M. manaia, a species found in Bream Head, Northland, New Zealand.[1]

Mecodema haunoho
Dorsal view of Mecodema haunoho from Little Barrier Island, New Zealand
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Family:
Carabidae
Tribe:
Broscini
Genus:
Mecodema
Species:
M. haunoho
Binomial name
Mecodema haunoho
Seldon & Leschen, 2011

Diagnosis

Distinguished from other North Island Mecodema species by having:

  1. the prothoracic carina narrow the entire length, moderately crenulated with 3 setae along each side (curvidens species group);
  2. distinctive shape of the penis lobe.[2]

Description

Length 20.5–24.1 mm, pronotal width 5.1–5.9 mm, elytral width 6.3–6.8 mm. Colour of entire body matte to glossy black.[1][2]

Natural History

Found throughout the island, but more commonly encountered in the broadleaf forests of the southern and southwestern areas of Hauturu.

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References
  1. Seldon, David S.; Leschen, Richard A.B. (2011). "A revision of the Mecodema curvidens species group (Coleoptera: Carabidae: Broscini)". Zootaxa. 2829: 1–45.
  2. Seldon, D.S.; Buckley, T.R. (2019). "The genus Mecodema Blanchard 1853 (Coleoptera: Carabidae: Broscini) from the North Island, New Zealand". Zootaxa. 4598 (1): 1–148. doi:10.11646/zootaxa.4598.1.1. ISSN 1175-5334.
  3. Hauturu: the history, flora and fauna of Te Hauturu-o-Toi Little Barrier Island. Veitch, C.R., Wade, L. Auckland, New Zealand. 2019. ISBN 9780995109582. OCLC 1106097068.CS1 maint: others (link)
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