Pheidole jujuyensis ^HNS Forel

Pheidole oxyops rjujuyensis Forel 1913m: 229. Raised to species level by Kempf 1964e: 62.

Types Mus. Hist. Nat. Geneve.

etymology Named after the Argentine state of origin.

diagnosis A member of the ' jujuyensis ^HNS complex" of the larger fallax ^HNS group, comprising araneoides ^HNS, cuevasi ^HNS, durionei ^HNS, jujuyensis ^HNS, kugleri ^HNS, leonina ^HNS, leptina ^HNS, lucretii ^HNS, lupus ^HNS, paraensis ^HNS, punctithorax ^HNS, tijucana ^HNS, wallacei ^HNS, and wolfringi ^HNS, which complex is characterized in both major and minor by slender body form and exceptionally long scapes and petiolar pedicel; also in the major by a proportionally small head; and in the minor by a strongly developed nuchal collar. P. jujuyensis ^HNS is distinguished as follows.

Major: scape fails to reach occipital comer by more than its own maximum width; pronotal dorsum smooth and shiny; mesopleuron and sides of propodeum transversely carinulate; first gastral tergite mostly shagreened and opaque.

Minor: occiput thinned into a neck; mesopleuron carinulate.

Both major and minor are extremely pilose, with abundant, exceptionally long, erect hairs on all appendages. Measurements (mm) Major: HW 1.66, HL 1.80, SL 1.50, EL 0.26, PW 0.84. Lectotype minor: HW 0.64, HL 0.90, SL 1.52, EL 0.20, PW 0.50.

Color Major: body mostly medium brown with slight reddish tinge; mandibles, pronotal dorsum, mesothorax, propodeum, and waist dark plain brown.

Minor: head and mesosoma dark reddish brown; appendages, waist, and gaster light reddish brown.

Range Recorded from Jujuy in northwest Argentina and Minas Gerais in Brazil.

Biology Unknown.

Figure Upper: major (associated with minors compared with lectotype minor). BRAZIL: Sarramento, Minas Gerais. Lower: lectotype, minor. ARGENTINA: Jujuy. Scale bars = 1 mm.