Pheidole geraesensis

Nothing is known about the biology of geraesensis.

Identification
See the description in the nomenclature section.

Distribution
Only known from the type locality.

Distribution based on Regional Taxon Lists
Neotropical Region: Brazil.

Nomenclature

 *  geraesensis. Pheidole semilaevis var. geraesensis Santschi, 1929d: 287 (s.w.) BRAZIL. Raised to species: Wilson, 2003: 193.

Description
From Wilson (2003): A member of the diligens group similar to Pheidole bruesi, Pheidole stigma and Pheidole triconstricta (see also less similar species listed under these names, if in doubt).

Major: head bicolorous (see color below); dorsum of head posterior to eye level smooth and shiny; a very small patch of rugoreticulum present posterior to each antennal fossa; pronotal dorsum with broken transverse rugulae, a thin anterior fringe of first gastral tergite shagreened; head posterior to eye and all of mesosoma devoid of pilosity; pronotum in dorsal-oblique view a single semicircular convexity; lateral margins of petiole subangulate.

Minor: pronotum in dorsal-oblique view bilobous; most of head and all of mesosoma and waist devoid of pilosity; dorsal margin of first gastral tergite lined exclusively with short, appressed hairs.

MEASUREMENTS (mm) Lectotype major: HW 1.18, HL 1.72, SL 0.78, EL 0.20, PW 0.60. Paralectotype minor: HW 0.60, HL 0.64, SL 0.72, EL 0.12, PW 0.40.

COLOR Major: head bicolorous, with posterior three-fourths reddish brown and anterior fourth plus mandibles reddish yellow; body plain light brown; appendages dark yellow.



'''Figure. Upper: lectotype, major. Lower: paralectotype, minor. Scale bars = 1 mm.'''

Type Material
- as reported in Wilson (2003)

Type Locality Information
BRAZIL: Minas Gerais. (Wilson 2003)

Etymology
Named after the type locality. (Wilson 2003)

Additional References
Santschi, F. 1929d. Nouvelles fourmis de la République Argentine et du Brésil. An. Soc. Cient. Argent. 107: 273–316.

Text and images from this publication used by permission of the author.