Mecodema manaia

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Mecodema manaia
Mecodema manaia.jpg
Dorsal view of specimen
Status NZTCS D.svg
Declining (NZ TCS)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Suborder: Adephaga
Family: Carabidae
Genus: Mecodema
Species:
M. manaia
Binomial name
Mecodema manaia
Seldon & Leschen, 2011

Mecodema manaia is a medium-sized ground beetle species found in the native forests of Bream Head and Mt Manaia, Northland, New Zealand. [1] This species shares the forests of Bream Head with a large-bodied species, Mecodema tewhara , with both inhabiting slightly different forest type. [2]

Contents

Diagnosis

Distinguished from other North Island Mecodema species by having:

  1. the pronotal carina with 3–4 setae along each side (curvidens species group);
  2. pronotum overall shape squared, midline poorly defined, medial impressions and microsculpture absent;
  3. elytral interval 7 curved inwardly to parallel humeral angle;
  4. ventrites 3 and 4 without setose punctures, ventrite 5 with 1 setose puncture each side of midline. [2]

Description

Length 24.5–28.7 mm (0.96–1.13 in), pronotal width 6.5–7.7 mm (0.26–0.30 in), elytral width 7.8–9.2 mm (0.31–0.36 in). Colour of entire body matte to glossy black. [2]

Natural history

Mecodema manaia is found in the native broadleaf forest, especially areas with deep leaf litter. [1]

Conservation status

Under the New Zealand Threat Classification System, this species is listed as "Declining". [3]

References

  1. 1 2 Seldon, David S.; Leschen, Richard A.B. (2011). "A revision of the Mecodema curvidens group (Coleoptera: Carabidae: Broscini)". Zootaxa. 2829: 1–45. doi:10.11646/zootaxa.2829.1.1. hdl: 2292/8777 .
  2. 1 2 3 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. ↑ Leschen, R. A.B.; Marris, J. W.M.; Emberson, R. M.; Nunn, J.; Hitchmough, R. A.; Stringer, I. A.N. (2012-07-01). "The conservation status of New Zealand Coleoptera" . New Zealand Entomologist. 35 (2): 91–98. doi:10.1080/00779962.2012.686311. ISSN   0077-9962.


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