Mecodema chaiup is a large-bodied ground beetle species found in Mohi Bush Scenic Reserve, Hawke's Bay, New Zealand. A single specimen was found beneath a large log in 2008 by D.S. Seldon and C.P. Martin (who it is named after). Since then a number of intensive pitfall trap surveys of Mohi Bush have failed to collect further specimens.

Mecodema chaiup
Mecodema chaiup dorsal view
The only known specimen of M.chaiup, found in 2008.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Carabidae
Genus: Mecodema
Species:
M. chaiup
Binomial name
Mecodema chaiup
Seldon, 2015

Diagnosis

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Mecodema chaiup is distinguished from other North Island Mecodema by:

  1. Narrow elytra (narrower than the pronotum at the widest point)
  2. Distinct asetose punctures in a confused pattern that are irregular in size and shape[1]

Description

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Length 31 mm, pronotal width 8.5 mm, elytral width 6.5 mm. Colour of entire body matte black, except for the femur and tibiae which are dark reddish-brown.[2]

Natural History

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Flightless and presumably a nocturnal predator of a range of ground invertebrates (e.g., spiders, carabids, worms), as are the other members of the genus.

References

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  1. ^ Seldon, David S.; Buckley, Thomas R. (2019). "The genus Mecodema Blanchard 1853 (Coleoptera: Carabidae: Broscini) from the North Island, New Zealand". Zootaxa. 4598 (1): zootaxa.4598.1.1. doi:10.11646/zootaxa.4598.1.1. ISSN 1175-5334. PMID 31716064. S2CID 164710644.
  2. ^ Seldon, D.S. (2015). "A unique species of Mecodema (Carabidae: Broscini) from the Hawke's Bay region, New Zealand, with implications for North–South Island zoogeography". New Zealand Entomologist. 38 (1): 28–35. doi:10.1080/00779962.2014.936105. S2CID 84454022.