Pheidole jeannei ^HNS new species

Types Mus. Comp. Zool. Harvard.

Etymology Named after the collector and distinguished hymenopterist, Robert L. Jeanne.

diagnosis A member of the gertrudae ^HNS group, easily distinguished in the major from the other two known members ( capillata ^HNS, gertrudae ^HNS) by the extensive rugoreticulum on the head, transverse carinulae on the pronotal dorsum, and lack of any propodeal spine or denticle, with the basal and declivitous propodeal faces in side view forming a blunt right angle. Measurements (mm) Holotype major: HW 1.12, HL 1.10, SL 0.68, EL 0.16, PW 0.60. Paratype minor: HW 0.56, HL 0.60, SL 0.64, EL 0.14, PW 0.40.

Color Major: concolorous medium brown, appendages a slightly contrasting brownish yellow. Minor: concolorous dark reddish brown.

Range Known only from the type locality.

Biology The type series was collected from the floor of lowland rainforest.

Figure Upper: holotype, major. Lower: paratype, minor. BRAZIL: Taperinha, Santarem, Para, 2°54'S 54°20'N (Robert L. Jeanne). Scale bars = 1 mm.