The type colony was collected in alder woods in a ravine; a winged queen was in the nest on 30 January. (Wilson 2003)
See the description in the nomenclature section.
Keys including this Species
Only known from the type locality.
Distribution based on Regional Taxon Lists
Distribution based on AntMaps
Distribution based on AntWeb specimens
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The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.
- tarchon. Pheidole tarchon Wilson, 2003: 517, figs. (s.w.) ARGENTINA.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Major: brownish yellow; head covered by carinulae, except for occiput, the frontal triangle, strip behind the frontal triangle, and midclypeus; dorsal profile of promesonotum flat, dropping steeply to metanotum through a posterior face; head quadrate, Head Width equaling Head Length, antennal scape long, its tip touching the side of the head in full-face view two-thirds from eye to occipital corner; petiolar node in side view thick, with broad, semicircular apex; postpetiole from above bell-shaped; anterior fringe of pronotal dorsum carinulate, and mesosoma otherwise completely smooth and shiny.
Minor: promesonotal profile in side view flat; body almost completely smooth and shiny; antennal scape long; occiput moderately narrowed in full-face view but lacking nuchal collar.
MEASUREMENTS (mm) Holotype major: HW 1.22, HL 1.22, SL 0.82, EL 0.18, PW 0.52. Paratype minor: HW 0.68, HL 0.72, SL 0.66, EL 0.14, PW 0.40.
COLOR Major and minor: concolorous brownish yellow.
Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.
ARGENTINA: 3 km northeast of Tafí del Valle, Tucumán, about 2200 m, col. W. L. Brown. Museum of Comparative Zoology
Named after Tarchon, founder of Tarquinii and the Etruscan dodecapolis.
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 517, fig. major, minor described)