Pheidole lutzi HNS Forel

Pheidole lutzi HNS Forel 1905e: 168. Syn.: Pheidole lutzi var. heinzi HNS Forel 1913m: 225, n. syn.

Types Mus. Hist. Nat. Geneve.

Etymology Named after the collector, Adolpho Lutz.

diagnosis Similar in various traits to aper HNS, bambusarum HNS, brevicona HNS, dyctiota HNS, laeviventris HNS, risii HNS, rugatula HNS, senilis HNS, sigillata HNS, trachyderma HNS, and traini HNS, differing as follows.

Major: head from the side and in full-face view subrectangular, elongate (Head Length 1.2X Head Width), expanded slightly anterior to eyes so that in full-face view the anterior margin is wider than the occiput; all of dorsal head surface, including frontal lobes rugoreticulate (except for antennal fossae, which are rugulose, and frontal triangle and midclypeus, which are smooth); all of promesothorax rugoreticulate; propodeal spines thin, one-third as long as propodeal basal face; postpetiole from above diamond-shaped.

Minor: most of dorsal head surface and all of promesothorax rugoreticulate; occiput strongly narrowed but with no nuchal collar; in side view propodeum descends to metanotum in vertical face.

Measurements (mm) Lectotype major: HW 1.26, HL 1.54, SL 0.80,. EL 0.20, PW 0.74. Paralectotype minor: HW 0.70, HL 0.84, SL 0.84, EL 0.12, PW 0.48.

Color Major: head, mesosoma, and antennae medium reddish brown; waist, gaster, and legs light reddish brown. Minor: concolorous light reddish brown.

Range Known only from the type locality.

Biology The types were collected from a cavity in a bamboo trunk.

figure Upper: lectotype, major. Lower: paralectotype, minor. BRAZIL: Serra da Cantareira, Sao Paulo (Adolpho Lutz). Scale bars = 1 mm.