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Species: Neivamyrmex opacithorax   (Emery, 1894) 

Classification:
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Taxonomic History (provided by Barry Bolton, 2019)

Eciton californicum subsp. opacithorax Emery, 1894d PDF: 184 (diagnosis in key) (w.) U.S.A. Nearctic. AntCat AntWiki HOL

Taxonomic history

Wheeler & Long, 1901 PDF: 163, 173 (m.q., respectively); Wheeler & Wheeler, 1984a PDF: 273 (l.).
Combination in Neivamyrmex (Neivamyrmex): Smith, 1942c PDF: 555; in Neivamyrmex: Borgmeier, 1953 PDF: 5.
Raised to species: Emery, 1900e: 186.
Senior synonym of Neivamyrmex castaneum: Borgmeier, 1955 PDF: 502.

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Costa Rica, Mexico, United States
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Nearctic, Neotropical

Distribution Notes:

collected from the Chiricahua Mtns, Cochise Co.

Biology:

Habitat: Open, upland forest and woodlands, savannas, prairies, also parks and spacious campuses.

Natural History: Also relatively common and well-known, the habits of N. opacithorax are quite similar to those of N. nigrescens. Males are bicolored, black with a reddish-brown gaster, and may be seen flying on calm, cool, sunny, late summer or early fall days.

Notes:

[SPC5624]

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Neivamyrmex opacithorax   Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa 936, pp. 1-68: -1, (download) -1 21008
Neivamyrmex opacithorax   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: 486-487, (download) 486-487 21290

Specimen Habitat Summary

Found most commonly in these habitats: 1 times found in road edge in mesophyl forest, 2 times found in oak pine juniper woodland, 2 times found in 2º wet forest, 1 times found in grazed creosote desert, 2 times found in swamp forest, 1 times found in pine-oak forest, 1 times found in Ponderosa Pine for. 50' tall. Dry creekbed w / shrubby lonicera + Robinia unders, 1 times found in Flatwoods, 1 times found in Quercus-Pinus-Psudotsuga forest, 1 times found in in mature sand pine forest, ...

Found most commonly in these microhabitats: 1 times column on road, 2 times at bait, 3 times under stone, 1 times raiding column, 1 times in dead wood below ground, 2 times under rock, adjacent to old stump, 2 times sample from tree base, 1 times raiding columns, 1 times night collecting; foraging column, 1 times in ant colony refuse under stone, 1 times ground foragers, ...

Collected most commonly using these methods: 5 times search, 3 times direct collection, 2 times Baiting, 1 times Search, subterranean raid, 2 times Berlese, 1 times general collecting, 1 times Malaise trap.

Elevations: collected from 6 - 1960 meters, 1270 meters average

Type specimens: syntype of Eciton californicum opacithorax: casent0903735



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