Overview

Comprehensive Description

Neivamyrmex pilosus (F. Smith) HNS

Figures 13 a-b, 44, 59, 72, 86, 1110, 111, 121, 135, 146, 150, 151

Eciton pilosa F. Smith HNS , 1858: 151 (w). BRAZIL , Amazonas , Vila Nova ( BMNH ) .

Eciton clavicornis Norton HNS , 1868: 46 (w). MEXICO, Vera Cruz, Hacienda Potrero (types lost?).

Eciton pilosum HNS : Mayr, 1865: 77; 1886: 120. Dalla Torre, 1893: 5.

Eciton (Labidus) subsulcatum Mayr HNS , 1887: 440 (m). U. S. A., Texas (NHMV).

Eciton mexicanus HNS : Dalla Torre, 1893: 4. Forel, 1899: 27.

Eciton (Acamatus) pilosum HNS : Emery, 1894 a: 183. Emery, 1900 a: 524; Emery, 1910: 25. Borgmeier, 1923, 48. Borgmeier, 1934: 94. Wheeler, G. C., 1943: 331 (larva).

Eciton (Labidus) mexicanum HNS : Emery, 1895 b: 260. Emery, 1896 a: 33. Misidentification

Eciton pilosum HNS : Forel, 1899: 27. Wheeler & Long, 1901: 165.

Eciton (Acamatus) mexicanum HNS : Emery, 1900 a: 515, 525. Emery, 1910: 26. Wheeler, 1908: 414. M. R. Smith, 1931: 16.

Eciton aztecum Forel HNS , 1901: 49 (m). GUATEMALA , San Jose ( MHNG ) .

Eciton (Acamatus) pilosum HNS : Wheeler, 1908: 412. Wheeler, 1921: 313. M. R. Smith, 1924: 85; M. R. Smith, 1931: 295. Reichensperger, 1939: 297 (q).

Eciton (Acamatus) pilosum var. angustius Forel HNS , 1909: 256 (w). PARAGUAY , San Bernardino ( MHNG ) .

Emery, 1910: 25. Wheeler, 1921: 312. Eciton (Acamatus) mexicanum var. azteca HNS : Emery, 1910: 26. Eciton (Acamatus) pilosum var. beebei Wheeler HNS , 1921: 312 (w, m). GUYANA, Kartabo (MCZC). NEW

SYNONYMY. Eciton (Acamatus) pilosum var. aztecum HNS : Wheeler, 1921: 314. Eciton (Labidus) spininodis subsp. militarium Santschi HNS , 1929: 85 (w). PANAMA, Bocas del Toro,

Changuinola (BASEL). Borgmeier, 1953: 14. Eciton (Acamatus) porrectognathum Borgmeier HNS , 1933 b: 167 (m). BRAZIL, Rio de Janeiro, Angra dos

Reis u. Itatiaia (?). Eciton (Acamatus) pilosum var. mexicanum HNS : Borgmeier, 1936: 59. Borgmeier, 1939 a: 416.

Misidentification

Eciton (Neivamyrmex) pilosum HNS : M. R. Smith, 1942: 544. Creighton, 1950: 75.

Neivamyrmex pilosus porrectognathum HNS : Borgmeier, 1953: 5. BRAZIL, Angra dos Reis and Itatiaia (IBVB).

Neivamyrmex pilosus mexicanus HNS : Borgmeier, 1953: 17. Misidentification

Neivamyrmex pilosus beebei HNS : Borgmeier, 1953: 19.

Neivamyrmex pilosus HNS : Borgmeier, 1955: 361 - 373 (w, q, m).

Neivamyrmex pilosus subsp. beebei HNS : Borgmeier, 1955: 373 (w, m).

Neivamyrmex pilosus subsp. mexicanus HNS : Borgmeier, 1955: 374 (w, q, m). Watkins, 1976: 16. Watkins,

1982: 197 - 247. Watkins, 1985: 479 - 502. Misidentification

DISTRIBUTION (Map. 2)

UNITED STATES: Arkansas and Mississippi west to southern Arizona; MEXICO: border states south to Chiapas; south to BRAZIL and PARAGUAY.

SPECIMENS EXAMINED

We have 56 records of this wide-ranging species in the United States.

DISCUSSION

The male type of Labidus mexicanus HNS , described from Orizaba, Mexico by F. Smith (1859), has been examined. It is a specimen of N. swainsonii (Shuckard) HNS , not a form of N. pilosus HNS . Accordingly, L. mexicanus HNS is removed to the synonymy of that species.

We have examined both males and workers from throughout the extensive range of this species. We have found that the features distinguishing the several recognized subspecies form a continuum from north to south, with no clear demarcation for any of these features. Accordingly, all these are here placed in synonymy.

Watkins (1985) indicated on his map of the distribution of N. pilosus mexicanus HNS that this ant had been collected from California. We have examined the specimens, purportedly collected at Exeter, Tulare County, and concur that they are N. pilosus HNS . However, it is our opinion that these males are probably incorrectly labeled and we have not included California within the distribution of N. pilosus HNS .

Automontage images of the worker caste (as N. pilosus mexicanus HNS ) are located at antweb. org.

  • Snelling, G. C., Snelling, R. R. (2007): New synonymy, new species, new keys to Neivamyrmex army ants of the United States. In: Snelling, R. R., Fisher, B. L., Ward, P. S. (Eds): Advances in ant systematics (Hymenoptera: Formicidae): Homage to E. O. Wilson - 50 years of contributions. Memoirs of the American Entomological Institute 80, 459-550: 488-489, URL:http://atbi.biosci.ohio-state.edu/HymOnline/reference-full.html?id=21290
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pilosus (F. Smith HNS 1858).

Canindeyú , Cordillera, Paraguarí , “ Paraná R.” (Dept. unkown), “Paraguay” (s. loc.) (ALWC, LACM, MCZC, MHNG, MZSP, NHMB). Literature records: Cordillera, “Paraguay” (s. loc.) (Borgmeier1955, Emery 1894a, Forel 1895, Forel 1909).

  • Wild, A. L. (2007): A catalogue of the ants of Paraguay (Hymenoptera: Formicidae). Zootaxa 1622, 1-55: 26-26, URL:http://www.antbase.org/ants/publications/21367/21367.pdf
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Taxonomic History

Eciton pilosa Smith, 1858a PDF: 151 (w.) BRAZIL. AntCat AntWiki

Taxonomic history

Combination in Neivamyrmex (Acamatus): Emery, 1894d PDF: 183 (in key); in Neivamyrmex (Neivamyrmex): Smith, 1942c PDF: 544; in Neivamyrmex: Borgmeier, 1953 PDF: 8.
Senior synonym of Neivamyrmex angustius, Neivamyrmex porrectognathum: Borgmeier, 1955 PDF: 361; of Neivamyrmex beebei: Snelling & Snelling, 2007 PDF: 488.
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Distribution

Paraguay: Canindeyú, Cordillera, Paraguarí
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Physical Description

Diagnostic Description

Taxonomic Treatment

Snelling, G. C., 2007:
  Figures 13 a-b, 44, 59, 72, 86, 1110, 111, 121, 135, 146, 150, 151
  Eciton pilosa F. Smith , 1858: 151 (w).BRAZIL , Amazonas , Vila Nova ( BMNH ) .
  Eciton clavicornis Norton , 1868: 46 (w). MEXICO, Vera Cruz, Hacienda Potrero (types lost?).
  Eciton pilosum : Mayr, 1865: 77; 1886: 120. Dalla Torre, 1893: 5.
  Eciton (Labidus) subsulcatum Mayr , 1887: 440 (m). U. S. A., Texas (NHMV).
  Eciton mexicanus : Dalla Torre, 1893: 4. Forel, 1899: 27.
  Eciton (Acamatus) pilosum : Emery, 1894 a: 183. Emery, 1900 a: 524; Emery, 1910: 25. Borgmeier, 1923, 48. Borgmeier, 1934: 94. Wheeler, G. C., 1943: 331 (larva).
  Eciton (Labidus) mexicanum : Emery, 1895 b: 260. Emery, 1896 a: 33. Misidentification
  Eciton pilosum : Forel, 1899: 27. Wheeler & Long, 1901: 165.
  Eciton (Acamatus) mexicanum : Emery, 1900 a: 515, 525. Emery, 1910: 26. Wheeler, 1908: 414. M. R. Smith, 1931: 16.
  Eciton aztecum Forel , 1901: 49 (m).GUATEMALA , San Jose ( MHNG ) .
  Eciton (Acamatus) pilosum : Wheeler, 1908: 412. Wheeler, 1921: 313. M. R. Smith, 1924: 85; M. R. Smith, 1931: 295. Reichensperger, 1939: 297 (q).
  Eciton (Acamatus) pilosum var. angustius Forel , 1909: 256 (w).PARAGUAY , San Bernardino ( MHNG ) .
  Emery, 1910: 25. Wheeler, 1921: 312. Eciton (Acamatus) mexicanum var. azteca : Emery, 1910: 26. Eciton (Acamatus) pilosum var. beebei Wheeler , 1921: 312 (w, m). GUYANA, Kartabo (MCZC). NEW
  SYNONYMY. Eciton (Acamatus) pilosum var. aztecum : Wheeler, 1921: 314. Eciton (Labidus) spininodis subsp. militarium Santschi , 1929: 85 (w). PANAMA, Bocas del Toro,
  Changuinola (BASEL). Borgmeier, 1953: 14. Eciton (Acamatus) porrectognathum Borgmeier , 1933 b: 167 (m). BRAZIL, Rio de Janeiro, Angra dos
  Reis u. Itatiaia (?). Eciton (Acamatus) pilosum var. mexicanum : Borgmeier, 1936: 59. Borgmeier, 1939 a: 416.
  Misidentification
  Eciton (Neivamyrmex) pilosum : M. R. Smith, 1942: 544. Creighton, 1950: 75.
  Neivamyrmex pilosus porrectognathum : Borgmeier, 1953: 5. BRAZIL, Angra dos Reis and Itatiaia (IBVB).
  Neivamyrmex pilosus mexicanus : Borgmeier, 1953: 17. Misidentification
  Neivamyrmex pilosus beebei : Borgmeier, 1953: 19.
  Neivamyrmex pilosus : Borgmeier, 1955: 361 - 373 (w, q, m).
  Neivamyrmex pilosus subsp. beebei : Borgmeier, 1955: 373 (w, m).
  Neivamyrmex pilosus subsp. mexicanus : Borgmeier, 1955: 374 (w, q, m). Watkins, 1976: 16. Watkins,
  1982: 197 - 247. Watkins, 1985: 479 - 502. Misidentification
  DISTRIBUTION (Map. 2)
  UNITED STATES: Arkansas and Mississippi west to southern Arizona; MEXICO: border states south to Chiapas; south to BRAZIL and PARAGUAY.
  SPECIMENS EXAMINED
  We have 56 records of this wide-ranging species in the United States.
  DISCUSSION
  The male type of Labidus mexicanus , described from Orizaba, Mexico by F. Smith (1859), has been examined. It is a specimen of N. swainsonii (Shuckard) , not a form of N. pilosus . Accordingly, L. mexicanus is removed to the synonymy of that species.
  We have examined both males and workers from throughout the extensive range of this species. We have found that the features distinguishing the several recognized subspecies form a continuum from north to south, with no clear demarcation for any of these features. Accordingly, all these are here placed in synonymy.
  Watkins (1985) indicated on his map of the distribution of N. pilosus mexicanus that this ant had been collected from California. We have examined the specimens, purportedly collected at Exeter, Tulare County, and concur that they are N. pilosus . However, it is our opinion that these males are probably incorrectly labeled and we have not included California within the distribution of N. pilosus .
  Automontage images of the worker caste (as N. pilosus mexicanus ) are located at antweb. org.
 

Wild, A. L., 2007:
 Canindeyú , Cordillera, Paraguarí , “ Paraná R.” (Dept. unkown), “Paraguay” (s. loc.) (ALWC, LACM, MCZC, MHNG, MZSP, NHMB). Literature records: Cordillera, “Paraguay” (s. loc.) (Borgmeier1955, Emery 1894a, Forel 1895, Forel 1909).
 
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Figures 13 a-b, 44, 59, 72, 86, 1110, 111, 121, 135, 146, 150, 151

 

Eciton pilosa F. Smith , 1858: 151 (w). BRAZIL , Amazonas , Vila Nova ( BMNH ) .

 

Eciton clavicornis Norton , 1868: 46 (w). MEXICO, Vera Cruz, Hacienda Potrero (types lost?).

 

Eciton pilosum : Mayr, 1865: 77; 1886: 120. Dalla Torre, 1893: 5.

 

Eciton (Labidus) subsulcatum Mayr , 1887: 440 (m). U. S. A., Texas (NHMV).

 

Eciton mexicanus : Dalla Torre, 1893: 4. Forel, 1899: 27.

 

Eciton (Acamatus) pilosum : Emery, 1894 a: 183. Emery, 1900 a: 524; Emery, 1910: 25. Borgmeier, 1923, 48. Borgmeier, 1934: 94. Wheeler, G. C., 1943: 331 (larva).

 

Eciton (Labidus) mexicanum : Emery, 1895 b: 260. Emery, 1896 a: 33. Misidentification

 

Eciton pilosum : Forel, 1899: 27. Wheeler & Long, 1901: 165.

 

Eciton (Acamatus) mexicanum : Emery, 1900 a: 515, 525. Emery, 1910: 26. Wheeler, 1908: 414. M. R. Smith, 1931: 16.

 

Eciton aztecum Forel , 1901: 49 (m). GUATEMALA , San Jose ( MHNG ) .

 

Eciton (Acamatus) pilosum : Wheeler, 1908: 412. Wheeler, 1921: 313. M. R. Smith, 1924: 85; M. R. Smith, 1931: 295. Reichensperger, 1939: 297 (q).

 

Eciton (Acamatus) pilosum var. angustius Forel , 1909: 256 (w). PARAGUAY , San Bernardino ( MHNG ) .

 

Emery, 1910: 25. Wheeler, 1921: 312. Eciton (Acamatus) mexicanum var. azteca : Emery, 1910: 26. Eciton (Acamatus) pilosum var. beebei Wheeler , 1921: 312 (w, m). GUYANA, Kartabo (MCZC). NEW

 

SYNONYMY. Eciton (Acamatus) pilosum var. aztecum : Wheeler, 1921: 314. Eciton (Labidus) spininodis subsp. militarium Santschi , 1929: 85 (w). PANAMA, Bocas del Toro,

 

Changuinola (BASEL). Borgmeier, 1953: 14. Eciton (Acamatus) porrectognathum Borgmeier , 1933 b: 167 (m). BRAZIL, Rio de Janeiro, Angra dos

 

Reis u. Itatiaia (?). Eciton (Acamatus) pilosum var. mexicanum : Borgmeier, 1936: 59. Borgmeier, 1939 a: 416.

 

Misidentification

 

Eciton (Neivamyrmex) pilosum : M. R. Smith, 1942: 544. Creighton, 1950: 75.

 

Neivamyrmex pilosus porrectognathum : Borgmeier, 1953: 5. BRAZIL, Angra dos Reis and Itatiaia (IBVB).

 

Neivamyrmex pilosus mexicanus : Borgmeier, 1953: 17. Misidentification

 

Neivamyrmex pilosus beebei : Borgmeier, 1953: 19.

 

Neivamyrmex pilosus : Borgmeier, 1955: 361 - 373 (w, q, m).

 

Neivamyrmex pilosus subsp. beebei : Borgmeier, 1955: 373 (w, m).

 

Neivamyrmex pilosus subsp. mexicanus : Borgmeier, 1955: 374 (w, q, m). Watkins, 1976: 16. Watkins,

 

1982: 197 - 247. Watkins, 1985: 479 - 502. Misidentification

 

DISTRIBUTION (Map. 2)

 

UNITED STATES: Arkansas and Mississippi west to southern Arizona; MEXICO: border states south to Chiapas; south to BRAZIL and PARAGUAY.

 

SPECIMENS EXAMINED

 

We have 56 records of this wide-ranging species in the United States.

 

DISCUSSION

 

The male type of Labidus mexicanus , described from Orizaba, Mexico by F. Smith (1859), has been examined. It is a specimen of N. swainsonii (Shuckard) , not a form of N. pilosus . Accordingly, L. mexicanus is removed to the synonymy of that species.

 

We have examined both males and workers from throughout the extensive range of this species. We have found that the features distinguishing the several recognized subspecies form a continuum from north to south, with no clear demarcation for any of these features. Accordingly, all these are here placed in synonymy.

 

Watkins (1985) indicated on his map of the distribution of N. pilosus mexicanus that this ant had been collected from California. We have examined the specimens, purportedly collected at Exeter, Tulare County, and concur that they are N. pilosus . However, it is our opinion that these males are probably incorrectly labeled and we have not included California within the distribution of N. pilosus .

 

Automontage images of the worker caste (as N. pilosus mexicanus ) are located at antweb. org.

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Snelling, G. C.

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Canindeyú , Cordillera, Paraguarí , “ Paraná R.” (Dept. unkown), “Paraguay” (s. loc.) (ALWC, LACM, MCZC, MHNG, MZSP, NHMB). Literature records: Cordillera, “Paraguay” (s. loc.) (Borgmeier1955, Emery 1894a, Forel 1895, Forel 1909).

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Wild, A. L.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Neivamyrmex pilosus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 4
Species With Barcodes: 1
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