Pheidole tijucana Borgmeier

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press : 355

Pheidole tijucana Borgmeier

Pheidole tijucana Borgmeier 1927b: 59.

Types Mus. Comp. Zool. Harvard.

Etymology Named after the type locality.

diagnosis A member of the " jujuyensis complex" of the larger fallax group, comprising araneoides , cuevasi , durionei , jujuyensis , kugleri , leonina , leptina , lucretii , lupus , paraensis , punctithorax , tijucana , wallacei , and wolfringi . P. tijucana is distinguished as follows.

Major: scape just attains occipital border; most of occiput vertex, and frontal lobes smooth and shiny; a small cluster of short longitudinal carinulae are gathered around midline at occiput; rugoreticulum on each side of head extends from eye to antennal fossa, anteriorly halfway between eye and anterior border of head, and posteriorly to halfway between eye and occipital border; mesopleuron and most of propodeum carinulate; propodeal spines equilaterally triangular.

Minor: propodeal spines reduced to denticle; occiput constricted to neck with broad nuchal collar.

Measurements (mm) Holotype major: HW 1.48, HL 1.54, SL 1.08, EL 0.22, PW 0.76.

Paratype minor: HW 0.58, HL 0.74, SL 1.14, EL 0.16, PW 0.44.

Color Major: concolorous rich reddish brown.

Minor: plain light brown except for head, which has a darker, reddish shade.

range Known only from the type locality.

Biology Unknown.

figure Upper: syntype, major. Lower: syntype, minor. BRAZIL: Tijuca, Guanabara, Rio de Janeiro. Scale bars = 1 mm.