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Pheidole hopliticaHNS new species

Types Mus. Comp. Zool. Harvard.

etymology Gr hopliticaHNS, referring to the hoplite, a heavily armed soldier of ancient Greece.

diagnosis A member of the " piliferaHNS complex" of the larger piliferaHNS group, comprising calensHNS, californicaHNS, carrolliHNS, cavigenisHNS, clementensisHNS, creightoniHNS, hopliticaHNS, littoralisHNS, miculaHNS, piliferaHNS, rugulosaHNS, senexHNS, soritisHNS, tepicanaHNS, and torosaHNS, which complex is characterized by the following traits. Major: dorsal head surface extensively sculptured; occipital lobes horizontally rugulose (or, in carrolliHNS smooth, in littoralisHNS foveate, and in miculaHNS and soritisHNS carinulate); postpetiole from above diamond-shaped, trapezoidal, or spinose. Minor: eye medium-sized to large.

P. hopliticaHNS is distinguished within the complex, including cavigenisHNS, which it most resembles, by the following combination of traits. Major: posterior dorsal profde of head markedly concave; occiput partly rugoreticulate; carinulae that originate from around frontal triangle turn outward near the center of the head toward the occipital corners; promesonotum strongly convex, almost semicircular in profde; postpetiolar node in side view wide and broadly rounded, not narrow and abruptly rounded.

Minor: head and sides of pronotum smooth and shining, not densely sculptured and opaque; some of the hairs of the promesonotal dorsal surface clavate.

measurements (mm) Holotype major: HW 1.24, HL 1.52, SL 0.60, EL 0.22, PW 0.70.

Paratype minor: HW 0.50, HL 0.56, SL 0.46, EL 0.14, PW 0.32.

Color Major: light reddish brown.

Minor: brownish yellow.

Range Known only from the type locality.

Biology Unknown.

Figure Upper: holotype, major. Lower: paratype, minor. TEXAS: Starr County (W. Cloyd). Scale bars = 1 mm.