Pseudomyrmex mexicana (Roger, 1863) [Invalid]
EOL Text
Argentina to Mexico, into many southern states of the US, recently discovered in South Carolina (personal experience)
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| Rights holder/Author | Jody Anderson, Jody Anderson |
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Worker:
- masticatory margin of mandible with 7-10 teeth
- median clypeal lobe laterally rounded
- eyes large and elongate (REL2 0.54-0.60)
- pronotum dorsolaterally submarginate
- petiole long and slender (PLI 0.46-0.57) with a well developed anterior peduncle
- head and mesosoma densely and finely punctulate-coriarious to coriarious-imbricate, subopaque to sublucid (not matte) in appearance
- standing pilosity abundant, fine, predominantly pale silvery-white (not black), common on mesosoma dorsum and on external faces of tibiae
- size and color extremely variable (HW 1.39-2.07), varying from unicolorous black (appendages lighter) to unicolorous orange-brown, with many intermediate and bicoloured combinations
Formica gracilis Fabricius 1804: 405.
Leptalea gracilis (Fabricius) . Erichson 1839: 309.
Pseudomyrma gracilis (Fabricius) . Roger 1862b: 289.
Pseudomyrma (Clavanoda) gracilis (Fabricius) . Enzmann 1944: 61.
Pseudomyrma gracilis var. atrinoda Santschi 1934: 26. NEW SYNONYMY . [ holotype w examined, NHMB ; Rio Negro , Paraná , Brazil ( Reichensperger )] .
Pseudomyrmex gracilis (Fabricius) . Kusnezov 1953: 214.
Pseudomyrmex gracilis var. atrinoda (Santschi) . Kempf 1958: 434.
Pseudomyrmex gracilis var. atrinodus (Santschi) . Kempf 1972: 219.
Ants in the Pseudomyrmex gracilis species complex are ubiquitous in the neotropics, and the species P. gracilis itself presents a confusing array of variation (Ward 1989). Santschi distinguished his variety P. atrinodus on the basis of small size and light coloration on parts of the mesosoma, but I have examined the type material and in both these characters P. atrinodus is well within the normal range of variation of the species. Phil Ward, who is revising Pseudomyrmex , concurs with this synonymy (Ward, pers comm.)
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Alto Paraguay/ Boquerón , Alto Paraná , Amambay, Caaguazú , Canindeyú , Central, Concepcion, Cordillera, Guairá , Itapúa , Misiones, Ñeembucú , Paraguarí , San Pedro, “Paraguay” (s. loc.) (ALWC, BMNH, IFML, INBP, MCSN, MCZC, MZSP, NHMB, PSWC). Literature records: Caaguazú , Central, Cordillera, “Paraguay”(s. loc.) (Emery 1890b, Emery 1896b, Forel 1907d, Forel 1908b, Forel 1909, Fowler 1981, Santschi 1916, Santschi 1934 [as “ atrinodis ”]).
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Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 15
Species With Barcodes: 1
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This article does not cite any references or sources. (May 2014) |
The elongate twig ant, Pseudomyrmex gracilis, is a large, slender species native to Mexico. The workers are about 8–10 millimeters (0.31–0.39 in) in length and generally wasp-like in appearance and style of movement. Worker ants are bi-colored; the head and gaster are dark, while the antennae, mouthparts, thorax and legs are dull orange with dark shading. They often may be seen on vegetation, foraging for live insects or collecting honeydew from sap-sucking insects.[citation needed]
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| Source | http://en.wikipedia.org/w/index.php?title=Elongate_twig_ant&oldid=644885648 |
The following is a representative barcode sequence, the centroid of all available sequences for this species.
There are 5 barcode sequences available from BOLD and GenBank.
Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.
See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
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Potentially painful sting, but not considered a significant pest species.
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| Rights holder/Author | Eli Sarnat, Antkey |
| Source | http://antkey.org/node/32665 |
Pseudomyrmex gracilis (Fabricius HNS 1804).
Formica gracilis Fabricius HNS 1804: 405.
Leptalea gracilis (Fabricius) HNS . Erichson 1839: 309.
Pseudomyrma gracilis (Fabricius) HNS . Roger 1862b: 289.
Pseudomyrma (Clavanoda) gracilis (Fabricius) HNS . Enzmann 1944: 61.
Pseudomyrma gracilis var. atrinoda Santschi HNS 1934: 26. NEW SYNONYMY . [ holotype w examined, NHMB ; Rio Negro , Paraná , Brazil ( Reichensperger )] .
Pseudomyrmex gracilis (Fabricius) HNS . Kusnezov 1953: 214.
Pseudomyrmex gracilis var. atrinoda (Santschi) HNS . Kempf 1958: 434.
Pseudomyrmex gracilis var. atrinodus (Santschi) HNS . Kempf 1972: 219.
Ants in the Pseudomyrmex gracilis HNS species complex are ubiquitous in the neotropics, and the species P. gracilis HNS itself presents a confusing array of variation (Ward 1989). Santschi distinguished his variety P. atrinodus HNS on the basis of small size and light coloration on parts of the mesosoma, but I have examined the type material and in both these characters P. atrinodus HNS is well within the normal range of variation of the species. Phil Ward, who is revising Pseudomyrmex HNS , concurs with this synonymy (Ward, pers comm.)
- Wild, A. L. (2007): A catalogue of the ants of Paraguay (Hymenoptera: Formicidae). Zootaxa 1622, 1-55: 55-55, URL:http://www.antbase.org/ants/publications/21367/21367.pdf
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