Satanic Ground Beetle (Trechus satanicus)
The Satanic Ground Beetle was described in 1962, it was apparently restricted to a place named Graveyard Fields in Haywood County, North Carolina, USA.
The beetle reached a size of about 0,36 cm in length.
The species is considered likely extinct.
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References:
[1] Thomas C. Barr Jr.: Revision of Appalachian Trechus (Coleoptera: Carabidae). Brimleyana 2: 29-75. 1979
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edited: 07.09.2020
Mitchell’s Ground Beetle was described in 1962, this species is known from at least three localities in the Black Mountains in Yancey County in North Carolina, USA.
The species reached a size of 0,36 to 0,42 cm in length. [1]
The species is considered likely extinct.
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References:
[1] Thomas C. Barr Jr.: Revision of Appalachian Trechus (Coleoptera: Carabidae). Brimleyana 2: 29-75. 1979
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edited: 07.09.2020
Roan Mountain Ground Beetle (Trechus roanicus)
The Roan Mountain Ground Beetle was described in 1962, it was originally only known from its type locality, Roan High Bluff, the highest point on Roan Mountain in Tennessee, USA.
The species apparently is thought to occur in North Carolina as well, but I have no further information about that. [1]
The Roan Mountain Ground Beetle is considered possibly extinct.
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References:
[1] Thomas C. Barr Jr.: Revision of Appalachian Trechus (Coleoptera: Carabidae). Brimleyana 2: 29-75. 1979
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edited: 07.09.2020
Unicoi Mountains Ground Beetle (Trechus luculentus ssp. unicoi)
The Unicoi Mountains Ground Beetle was described in 1979, this subspecies of the Luminous Ground Beetle (Trechus luculentus Barr) is known only from the type locality, Stratton Meadows a place that extends from Monroe County, Tennessee to Graham County in North Carolina, USA. [1]
This form is considered possibly extinct.
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References:
[1] Thomas C. Barr Jr.: Revision of Appalachian Trechus (Coleoptera: Carabidae). Brimleyana 2: 29-75. 1979
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edited: 07.09.2020
Fine Ground Beetle (Trechus subtilis)
The Fine Ground Beetle was described in 1962, it is known only from its type locality, Mt. Sterling in Haywood County, North Carolina, USA; apparently only nine specimens have ever been collected. [1]
The species is considered possibly extinct now.
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References:
[1] Thomas C. Barr Jr.: Revision of Appalachian Trechus (Coleoptera: Carabidae). Brimleyana 2: 29-75. 1979
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edited: 07.09.2020
Carolina Ground Beetle (Trechus carolinae)
The Carolina Ground Beetle was described in 1901, it apparently is known only from its type locality, Mt. Mitchell in Yancey County, North Carolina, USA.
The species reaches a size of up to 0,5 cm. [1]
The Carolina Ground Beetle is considered likely extinct.
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References:
[1] Thomas C. Barr Jr.: Revision of Appalachian Trechus (Coleoptera: Carabidae). Brimleyana 2: 29-75. 1979
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edited: 07.09.2020
Clingmans Dome Ground Beetle (Trechus novaculosus)
This species, described in 1962, was restricted to its type locality, Clingmans Dome in Sevier County in Tennessee, USA. [1]
The species is thought to have also occurred in North carolina, however, I’m unable to find any additional information.
The species is thought to be extinct now.
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References:
[1] Thomas C. Barr Jr.: Revision of Appalachian Trechus (Coleoptera: Carabidae). Brimleyana 2: 29-75. 1979
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edited: 07.09.2020
Rosenberg’s Ground Beetle (Trechus rosenbergi)
Rosenberg’s Ground Beetle was described in 1962, it is apparently known only from a single locality, the Water Rock Knob in Haywood- and Jackson counties, North Carolina, USA.
The species reached a size of up to 0,5 cm.
Rosenberg’s Ground Beetle is considered most likely extinct.
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References:
[1] Thomas C. Barr Jr.: Revision of Appalachian Trechus (Coleoptera: Carabidae). Brimleyana 2: 29-75. 1979
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edited: 07.09.2020
Luminous Ground Beetle (Trechus luculentus ssp. luculentus)
The Luminous Ground Beetle, described in 1962, is apparently restricted to its type locality, Clingmans Dome in Swain County, North Carolina, USA. [1]
The species, respectively this nominate form of it, is considered likely extinct.
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References:
[1] Thomas C. Barr Jr.: Revision of Appalachian Trechus (Coleoptera: Carabidae). Brimleyana 2: 29-75. 1979
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edited: 07.09.2020
Balsam Ground Beetle (Trechus balsamensis)
This species was described in 1962, it is, or rather was, apparently restricted to its type locality, a place named Water Rock Knob in Haywood County, North Carolina, USA.
The beetles inhabited spruce-fir forests where they could be found beneath moss carpets. [1]
The species is considered likely extinct.
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References:
[1] Thomas C. Barr Jr.: Revision of Appalachian Trechus (Coleoptera: Carabidae). Brimleyana 2: 29-75. 1979
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edited: 07.09.2020