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Species: Neivamyrmex carolinensis   (Emery, 1894) 

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Taxonomic History (provided by Barry Bolton, 2021)

Eciton (Acamatus) carolinense Emery, 1894d PDF: 184 (diagnosis in key) (w.) U.S.A. (North Carolina). Nearctic. Primary type information: Type-material: syntype workers (number not stated). Type-locality: U.S.A.: North Carolina, Belmont (Pergande?) . Type-depositories: AMNH, MCZC, MSNG. AntCat AntWiki HOL

Taxonomic history

Emery, 1895d PDF: 259 (w.); Wheeler, 1921d PDF: 314 (q.m.).
Combination in Eciton (Neivamyrmex): Smith, 1942c PDF: 564.
Combination in Neivamyrmex: Borgmeier, 1953 PDF: 6.
Status as species: Emery, 1895d PDF: 259 (description); Wheeler, 1904f PDF: 300; Emery, 1910b PDF: 24; Wheeler, 1910a PDF: 562; Wheeler, 1921d PDF: 314; Smith, 1928b PDF: 245; Dennis, 1938 PDF: 278; Smith, 1938b PDF: 158; Smith, 1942c PDF: 564 (redescription); Creighton, 1950a PDF: 71; Smith, 1951c PDF: 780; Borgmeier, 1955 PDF: 507 (redescription); Carter, 1962a PDF: 6 (in list); Smith, 1967a PDF: 345; Watkins, 1971 PDF: 94 (in key); Watkins, 1972 PDF: 350 (in key); Hunt & Snelling, 1975 PDF: 20; Watkins, 1976 PDF: 16 (in key); Smith, 1979: 1330; Watkins, 1985 PDF: 483 (in key); MacKay et al., 1988: 87; Deyrup et al., 1989 PDF: 94; Bolton, 1995b: 288; Mackay & Mackay, 2002 PDF: 55; Deyrup, 2003 PDF: 45; Coovert, 2005 PDF: 31; MacGown & Forster, 2005 PDF: 67; Snelling & Snelling, 2007 PDF: 468; Deyrup, 2017: 37.
// Distribution


  Geographic regions: Not found on any curated Geolocale/Taxon lists.

Distribution Notes:

single unspecified south-central Ohio record


Open grassy, dry areas. Beneath large stones, under moss, and bases of stumps.

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Snelling, G. C. & Snelling, R. R., 2007, New synonymy, new species, new keys to Neivamyrmex army ants of the United States., Advances in ant systematics (Hymenoptera: Formicidae): Homage to E. O. Wilson - 50 years of contributions. (Memoirs of the American Entomological Institute 80), pp. 459-550

Neivamyrmex carolinensis (Emery)HNS

Figures 3, 19, 33, 63, 76, 89, 96, 113, 125

Eciton (Acamatus) carolinense EmeryHNS, 1894: 184 (w). USA, North Carolina, Belmont (MCSN); syntypes

in MCZC, AMNH; examined. Eciton (Neivamyrmex) carolinenseHNS: M. R. Smith, 1942: 564 (w). Neivamyrmex carolinensisHNS: Borgmeier , 1953: 6 (w).


UNITED STATES; Virginia and North Carolina south to Florida, west to Tennessee and Louisiana.


UNITED STATES, ALABAMA, Tuscaloosa Co.: Bryce Lake , University of Alabama (MCZC); Hurricane Creek nr. Peterson (MCZC). FLORIDA, Alachua Co.: Gainesville (UMICH); Gainesville , San Felasco Hammock State Preserve , sandhill / xeric Oak Hammock, at base of dead Turkey Oak (GCSC, LACM). Lake Co.: Astatula, Jct S. R. 561 & 48, Sand Pine / Rosemary Scrub , at base of dead sand pine (GCSC, LACM). Citrus Co.: Withlacoochee State Forest , 1 / 2 mi S. of S. R. 44, in sand next to Pheidole morrissiHNS colony (GCSC, LACM). Marion Co.: 3.5 mi E Dunnellon , Pine Oaks Estates , (CLMC). Volusia Co.: Orange City , Blus Spring St. Park , ex pitfall trap in Sand Pine / Oak Scrub (GCSC, LACM). GEORGIA, Fulton Co.: Atlanta , ex oak stump (MCZC). Putnam Co.: Oconee National Forest (SEMC, WPMC). Rabun Co.: Clayton , 2000 - 3700 ' (MCZC). KENTUCKY, Edmonton Co.: Mammoth Cave Nat. Park , Bruce Hollow , ex long / stump litter (MCZC). MISSISSIPPI, Hinds Co.: Taylorsville (LACM). Lowndes Co.: Columbus (CASC). Monroe Co.: Aberdeen (CASC, CORN). Oktibbeha Co.: A & M College (MINN, PENN). NORTH CAROLINA: Burk Co.: 4 - XI- 1957 (Scott; MCZC). SOUTH CAROLINA, Greenville Co.: Greenville (LACM). Oconee Co.: Clemson College (MCZC). TENNESSEE, Blount Co.: Cades Cove (LACM). Knox Co.: University of Tennessee Farm (LACM).


Neivamyrmex carolinensisHNS is a wide ranging eastern species. Long considered to extend into the central and western United States as far as Arizona, it is now known that the populations west of the Mississippi River belong to a hitherto unrecognized sibling species. That species is described below as N. kiowapacheHNS. We are unable to confirm the presence of this species in Nebraska and Ohio (M. R. Smith, 1942) nor have we seen any specimens from Louisiana.

This species is unusual among our species of NeivamyrmexHNS, in that the presence of a distinct eye facet is variable, present in some individuals, absent in others. Generally, a facet is present in larger individuals, but even this is subject to variation. This feature is shared with its sister species, N. kiowapacheHNS.

Automontage images of this ant may be viewed at antweb. org

Specimen Habitat Summary

Found most commonly in these habitats: 6 times found in soil and litter on slope in mixed forest, 2 times found in Sandhill, 1 times found in collected in open area near mixed forest, 1 times found in oak/pine woodland, 1 times found in Pine-oak forest, 1 times found in pine/juniper woodland, 1 times found in Pinyon-cedar woodland, 1 times found in Sandhill/Xeric Oak Hammock.

Found most commonly in these microhabitats: 6 times soil and litter, 2 times under rock, 1 times thinly spread in soil, 1 times Neivamyrmex under stone, 1 times tronc avec (worker) et larves.

Collected most commonly using these methods: 6 times Berlese funnel, 1 times search.

Elevations: collected from 1650 - 2438 meters, 1988 meters average

Collect Date Range: collected between 1919-11-30 and 2006-10-08

Type specimens: syntype of Neivamyrmex carolinensis: casent0902643, casent0905954

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