| Mecodema oregoides | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Carabidae |
| Genus: | Mecodema |
| Species: | M. oregoides |
| Binomial name | |
| Mecodema oregoides Broun, 1894 | |
Mecodema oregoides is a small-bodied ground beetle endemic to New Zealand, and is the southernmost species of the curvidens group. [1] It is found in a range of different habitats on Banks Peninsula, Canterbury. [2]
Mecodema is a genus of large flightless ground beetle (Carabidae) endemic to New Zealand. The genus is very diverse in comparison to the other three New Zealand genera within the subtribe Nothobroscina. Mecodema is geographically widespread across both the North and South Islands, as well as numerous offshore islands, including the Three Kings Is., Poor Knights Is., Aotea and Hauturu, Kapiti Is., Stephens Is., Stewart Is., Chatham Is., Snares Is.
Mecodema oconnori is a large-bodied species of ground beetle endemic to the lower half of the North Island, New Zealand. It is mainly found in native forest habitats on the western side of the Tararua and Ruahine Ranges, but is also found in the Manawatu Gorge and some other eastern localities.
Mecodema antarctica is a carnivorous carabid beetle, the only species in its genus, that burrows in sand above the high tide mark on New Zealand sandy beaches. Bot species were first described by Francis de Laporte de Castelnau in 1867.
Mecodema aoteanoho is a medium-sized ground beetle, the only such beetle endemic to Great Barrier Island (Aotea), Hauraki Gulf, Auckland, New Zealand. Mecodema aoteanoho is a sister species to M. haunoho and is closely related to the Coromandel (mainland) species, M. atrox, all of which are species within the monophyletic curvidens group. There are a number of other characters that distinguish M. aoteanoho from all other North Island Mecodema, especially the pattern of the striations on the elytra.
Mecodema haunoho is the only ground beetle (Carabidae) species that is endemic to Little Barrier Island (Hauturu). 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.
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. Since then a number of intensive pitfall trap surveys of Mohi Bush have failed to collect further specimens.
Mecodema tenaki is a species of ground beetle found in the Cape Reinga region, Northland, New Zealand.
Mecodema ponaiti is a species of ground beetle endemic to the Poor Knights Islands, Northland, New Zealand.
Mecodema kokoromatua is a medium-bodied ground beetle endemic to Northland, New Zealand. Its range is restricted to coastal forest behind the sand dunes and below the southern areas of the Ahipara Escarpment, Herekino, Northland, New Zealand. This species is within the curvidens species group and is related to the geographically widespread M. parataiko.
Mecodema manaia is a medium-sized ground beetle species found in the native forests of Bream Head and Mt Manaia, Northland, New Zealand. This species shares the forests of Bream Head with a large-bodied species, Mecodema tewhara, with both inhabiting slightly different forest type.
Mecodema parataiko is a species of beetle, the most widespread of the Northland species, being found in forests from Whangarei north to Herekino.
Mecodema atrox is a medium-sized ground beetle species that is closely related to Mecodema curvidens. Mecodema atrox is relatively rare in comparison due to its preferred habitat, the coastal broadleaf forests of the Coromandel Peninsula, a forest type that is in decline. The body of Mecodema atrox is black and the legs are dark reddish-brown. They can be distinguished from other Mecodema species by a number of characters, including the pattern of asetose punctures along the elytral striae.
Mecodema curvidens Broun is a medium-bodied ground beetle that is geographically widespread throughout the central areas of the North Island, New Zealand, which includes the entomological regions of Auckland (AK), Waikato (WO), Coromandel (CL), Bay of Plenty (BP), Taupo (TO), Rangitikei (RI), Whanganui (WI), Hawkes Bay (HB) and Wellington (WN). Recently, the species M. occiputale Broun was synonymised under M. curvidens. Mecodema curvidens is relatively common through its range except in the southern area of the Hunua Ranges (Auckland) and Wellington regions.
Mecodema crenaticolle is a medium-bodied ground beetle that is endemic to New Zealand. It is one of the three species within the ducale species group and is the only species of this group found in the North Island, New Zealand. Its range extends from the Wellington Region to Hunua Range, southeast Auckland, and is relatively common in most native forest habitats.
Mecodema dux is a medium-bodied New Zealand endemic ground beetle that is found in the Ruahine Ranges, Taupo, Rangitikei and southwestern Hawke's Bay entomological regions.
Mecodema longicolle is an endemic New Zealand ground beetle, and one of the few Mecodema species found in both the North Island and South Island.
Mecodema jacinda is a large-bodied ground beetle endemic to Maungatautari Sanctuary, Waikato, New Zealand. It is the largest species of Mecodema found on Maungatautari, which also has the medium-sized M. curvidens inhabiting the forest. It is named after New Zealand Prime Minister Jacinda Ardern.
Mecodema aberrans is a medium-sized ground beetle endemic to the South Island, New Zealand. This species is within the curvidens group and is one of three species that is a braided-river ecotype. It occurs in Otago and Canterbury.
Mecodema moniliferum is a medium-sized ground beetle endemic to the South island, New Zealand. This species is part of the monophyletic curvidens group and is found on the braided-river systems of the South Island.
Mecodema crenicolle is an endemic species of ground beetle from New Zealand.
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