Family: Carabidae    Subfamily: Scaratinae    Tribe: Migadopini
Genus and species:

An endemic genus and single species fom the Auckland Islands, yet known from only a few specimens from two sites. It's ovoid shape and almost golden colour are very different from the elongate body shapes and dark red-br...

Widespread and common on the Auckland Islands south of mainland New Zealand. It is also present on the Antipodes Islands.

Known from only two specimens from the Auckland Islands. In body shape it is very similar to Loxomerus brevis.

Known only from a single site on Adams Island in the Auckland Island group

Although widespread on the Auckland Islands it is not as common as L. brevis.

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Known from two sites 140 km apart. These sites are at the far ends of two aligned mountain ranges divided by a narrow but deep river valley and gorge.

Most species of this genus, including Taenarthrus capito dwell among the rocks beside clean, cold, fast flowing streams at relatively high altitudes close to the tree line or above. Several are found in rock scree...

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A high alpine species that lives above the Fox and Franz Joseph glaciers in Westland National Park.

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The smallest species known only from a island off Stewart Island.

Known from several lowland forested sites in Otago and Southland. It apparently prefers the sides of cool, moderately fast streams overhung by forest trees.

It shares its only known site with T. obliteratus beside waterfalls close to the sea in the Catlins area.

The genus Taenarthrus, for which this is the type species, is related to others in South America. Most are in the very south of South America, New Zealand and Australia, but two species get into the tropics, in E...

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An alpine species. Both adults and larvae tolerate being covered with snow for 6 months and at least at one site both stage live alongside water that has just emerged from snow drifts or a minor glacier. Ground temperatu...