Pheidole rosula

Nothing is known about the biology of rosula.

Identification
See the description in the nomenclature section.

Distribution
Only known from the type locality.

Distribution based on Regional Taxon Lists
Neotropical Region: Argentina.

Nomenclature

 *  rosula. Pheidole rosula Wilson, 2003: 743, figs. (s.w.) ARGENTINA.

Description
Similar in various characters to Pheidole guayasana, Pheidole pidax, Pheidole rosae, Pheidole securigera, especially rosae, and distinguished as follows.

Major: reddish yellow; frontal lobes extended forward as low but still conspicuous lobes, in side view; shallow antennal scrobes present, with surfaces smooth except for scattered foveae; postpetiole spinose; rugoreticulum on each side of head extends from eye to antennal fossa, posterior to eye for about an Eye Length distance, and anterior almost to the anterior genal border; carinulae extend to occiput, which is smooth; anterior half of pronotal dorsum carinulate; pilosity dense and long, with some hairs longer than Eye Length.

Minor: most of head and mesosoma variably foveolate; frontal lobes carinulate; humerus in dorsal-oblique view denticulate; propodeal spines reduced to denticles.

MEASUREMENTS (mm) Holotype major: HW 1.22, HL 1.28, SL 0.54, EL 0.16, PW 0.72. Paratype minor: HW 0.62, HL 0.64, SL 0.54, EL 0.12, PW 0.40.

COLOR Major: body and mandibles reddish yellow, appendages plain dark yellow.

Minor: concolorous light reddish yellow.



'''Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.'''

Type Material
ARGENTINA: Palermo, Buenos Aires, col. R. Thaxter.

Etymology
L rosula, little rose, alluding to similarity with Pheidole rosae.