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Species: Neivamyrmex melanocephalus   (Emery, 1895) 

Classification:
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See Also:

Neivamyrmex melanocephalus xipe

Taxonomic History (provided by Barry Bolton, 2015)

Eciton melanocephalum Emery, 1895d PDF: 260 (footnote) (w.) MEXICO. AntCat AntWiki HOL

Taxonomic history

Combination in Neivamyrmex (Neivamyrmex): Smith, 1942c PDF: 549; in Neivamyrmex: Borgmeier, 1953 PDF: 6.
Senior synonym of Neivamyrmex xipe: Smith, 1942c PDF: 549; Borgmeier, 1953 PDF: 19.

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 melanocephalus (Emery)HNS

Figures 28, 80

Eciton (Acamatus) melanocephalum EmeryHNS, 1895: 260 (w). MEXICO, Tepic (MHNG).

Eciton (Neivamyrmex) melanocephalumHNS: M. R. Smith, 1942: 549 (w) (part). Creighton, 1950: 72 (part).

Neivamyrmex melanocephalusHNS: Borgmeier, 1953: 19. Borgmeier, 1955: 385 - 387 (w).

Eciton (Acamatus) melanocephalum subsp. xipe WheelerHNS, 1914: 41; worker. MEXICO, Hidalgo, San Miguel (MCZC).

DISTRIBUTION (Map 7)

UNITED STATES: Arizona; MEXICO: south at least to Oaxaca and Morelos. SPECIMENS EXAMINED

UNITED STATES, ARIZONA: Santa Cruz Co.: Upper White Rock Campground GoogleMaps, Pena Blanca Lake GoogleMaps (31.39 ° N 111.08 ° W), 1200 m (GCSC, LACM) GoogleMaps; Nogales , on sidewalk (USNM).

MEXICO, OAXACA: 14.5 km S Ocotlan , 1500 m (GCSC, WPMC). MORELOS: La Luz Tetecala (WPMC).

DISCUSSION

This rather large distinctive species is only rarely encountered in the United States and its principal range lies in Mexico and Guatemala. As discussed above, we believe that N. mandibularisHNS is the likely male of N. melanocephalusHNS, but it is also possible that N. mandibularisHNS could be the opposite sex of N. graciellaeHNS.

One foraging raid of N. melanocephalusHNS was observed. It occurred in full daylight and the workers were taking a variety of small arthropods (B. V. Brown, pers. comm).

Specimen Habitat Summary

Found most commonly in these habitats: 3 times found in pine/oak forest, 0 times found in Acacia-oak woodland, 1 times found in oak-juniper woodland, 1 times found in agricultural zone, 1 times found in oak/juniper woodland, 1 times found in xerophyl scrub

Collected most commonly using these methods or in the following microhabitats: 3 times hand collecting, 2 times pitfall, 0 times Under rock, 1 times at light

Elevations: collected from 1200 - 2290 meters, 2029 meters average

Type specimens: syntype of Eciton melanocephalum xipe: casent0902638; syntype of Neivamyrmex melanocephalus: casent0903725

(-1 examples)



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