This species is only known from the type specimens, which were sifted from litter on the floor of rainforest.
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.
- viriosa. Pheidole viriosa Wilson, 2003: 534, figs. (s.w.) ECUADOR.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Major: head bicolored as illustrated; median ocellus present; humerus in dorsal-oblique view bearing a right-angular extension; occipital cleft very broad and moderately deep; propodeal spines directed strongly backward; postpetiole very narrow and oval from above; rear quarter of dorsal head surface smooth and shiny.
Minor: occiput somewhat narrowed, its margin weakly convex, and lacking nuchal collar; propodeal spines directed strongly backward; head almost completely smooth and shiny, with only a few faint carinulae at the antennal fossae; pilosity long, some hairs longer than Eye Length.
MEASUREMENTS (mm) Holotype major: HW 0.74, HL 0.80, SL 0.42, EL 0.10, PW 0.36. Paratype minor: HW 0.42, HL 0.46, SL 0.40, EL 0.12, PW 0.30.
COLOR Major: head bicolored, with vertex and frontal triangle medium brown and rest of head brownish yellow; tarsi brownish yellow; rest of body and appendages light brown.
Minor: head and gaster dark brown, tarsi brownish yellow, rest of body and appendages medium brown.
Figure. Upper: holotype, major, with hind femur included. Lower: paratype, minor. Scale bars = 1 mm.
ECUADOR: Jatun Sacha, 7 km east-southeast of Puerto Misahualli, Napo, 1°04'S 37°37'W, col. Philip S. Ward. Museum of Comparative Zoology
L viriosa, robust, strong.
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 534, fig. major, minor described)