Nothing is known about the biology of grandinodus.
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
Check data from AntWeb
The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.
- grandinodus. Pheidole grandinodus Wilson, 2003: 699, figs. (s.w.) BRAZIL.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
DIAGNOSIS A large, yellow member of the tristis group with small eyes, exceptionally large, bell-shaped postpetiolar node, and large, bulging subpostpetiolar process. The propodeal spines are only medium-long, and in the minor fully erect. Seen from behind, the petiolar node of the major is hexagonal, with a flat top and that of the minor strongly convex. Similar to Pheidole alpinensis, Pheidole exarata, Pheidole excubitor, Pheidole gaigei, Pheidole germaini, Pheidole godmani, Pheidole obrima, Pheidole rogeri, Pheidole severini, Pheidole stulta, Pheidole tristis and Pheidole zoster, differing in many details of body form, sculpturing, and pilosity, as illustrated, and in color.
MEASUREMENTS (mm) Holotype major: HW 1.53, HL 1.54, SL 0.82, EL 0.14, PW 0.66. Paratype minor: HW 0.54, HL 0.66, SL 0.74, EL 0.06, PW 0.40.
COLOR Major: head, mesosoma, and appendages reddish yellow; waist and gaster brownish yellow.
Minor: body dark yellow, appendages light.
Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.
BRAZIL: 66 km north of Manaus on Caracara Road, col. William L. and Doris E. Brown. Museum of Comparative Zoology
L grandinodus, large node, referring to the exceptionally large postpetiolar node.
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 699, fig. major, minor described)