Pheidole macracantha, Wilson, E. O., 2003

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press : 717

Pheidole macracantha new species

Types Mus. Comp. Zool. Harvard.

Etymology Gr macracantha , large thorn, alluding to propodeal spine.

Diagnosis Tentatively placed in the tristis group because of its larger size, macracantha is similar to cataphracta of the punctatissima group, differing in the minor caste as follows: much larger; occiput in full face strongly convex instead of concave; pilosity denser and longer; first gastral tergite mostly shagreened.

measurements (mm) Holotype minor: HW 0.72, HL 0.76, SL 0.78, EL 0.12, PW 0.46.

Color Concolorous yellow.

range Known only from the type locality.

Biology Unknown.

Figure Holotype, minor. PANAMA: Guipe (J. Zetek). Scale bar = 1 mm.