Pheidole tetrica

Nothing is known about the biology of  tetrica.

Identification
See the description in the nomenclature section.

Distribution
From Wilson (2003): Recorded from Santa Catarina and São Paulo, Brazil (Kempf 1972b).

This taxon was described from Brazil.

Nomenclature

 *  tetrica. Pheidole tetrica Forel, 1913l: 226 (s.w.q.) BRAZIL. See also: Wilson, 2003: 524.

Description
From Wilson (2003): DIAGNOSIS Similar in various traits to Pheidole tarchon and Pheidole victima, differing as follows. Major: dorsal surface of head, except for frontal triangle and midclypeus, completely covered with carinulae; pronotum covered by “wraparound” carinulae that circle the dorsum to travel along the lower lateral margin; in dorsal-oblique view propodeum descends anteriorly to metanotal groove through a steep face; propodeal spine almost half as long as propodeal basal face and almost vertical to it; postpetiole from above bluntly spinose.

Minor: widely spaced carinulae cover almost all the dorsal surface of the head, including occiput; center of mesopleuron and center of side of propodeum with longitudinal carinulae; occiput broad, lacking nuchal collar.

MEASUREMENTS (mm) Holotype major: HW 1.08, HL 1.10, SL 0.62, EL 0.16, PW 0.52. Paratype minor: HW 0.52, HL 0.62, SL 0.64, EL 0.12, PW 0.40.

COLOR Major: concolorous yellow with faint reddish tinge.

Minor: concolorous yellow.



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

Type Material
, - as reported in Wilson (2003)

Type Locality Information
BRAZIL: Ibirama, Santa Catarina. (Wilson 2003)

Etymology
L tetrica, harsh, forbidding, allusion unknown. (Wilson 2003)

Additional References
Forel, A. 1913. Fourmis d’Argentine, du Brésil, du Guatémala & de Cuba reçues de M. M. Bruch, Prof. v. Ihering, Mlle Baez, M. Peper et M. Rovereto. Bull. Soc. Vaudoise Sci. Nat. 49: 203–250.

Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Stud. Entomol. 15: 3–344.

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