Pheidole bulliceps ^HNS new species

Types iNBio.

Etymology L bulliceps ^HNS, bubble-headed, with reference to the major.

diagnosis A large member of the tristis ^HNS group, similar to rotundiceps ^HNS, less so to pepo ^HNS, sphaerica ^HNS, and subsphaerica ^HNS, distinguished by the following traits in the major: head capsule in full-face view roughly circular in outline; extensive patches of rugoreticulum present mesad and laterad to the eye; most of remainder of head longitudinally carinulate, with carinulae just laterad to the frontal carinae turning outward; central zone of occiput smooth and shiny; almost all of propodeum carinulate. measurements (mm) Holotype major: HW 2.28, HL 2.24, SL 1.20, EL 0.24, PW 1.00. Paratype minor: HW 0.64, HL 0.82, SL 1.04, EL 0.14, PW 0.44.

color Major: head and appendages light reddish brown, rest of body medium reddish brown.

Minor: yellowish brown.

Range Known only from the type series.

Biology The types were attracted to a tuna bait.

Figure Upper: holotype, major. Lower: paratype, minor. ECUADOR: Jatun Sacha, Napo (Leeanne E. Tennant-Alonso). Scale bars = 1 mm.