Pheidole praeses , Wilson, E. O., 2003

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press, pp. -1--1: 735

publication ID

20017

persistent identifier

http://treatment.plazi.org/id/099B8E75-9B3D-8220-9092-0A71FEB0F388

treatment provided by

Donat

scientific name

Pheidole praeses
status

new species

Pheidole praeses  HNS  new species

Types Mus. Comp. Zool. Harvard.

etymology L praeses  HNS  , guard, protector.

diagnosis Similar to guilelmimuelleri  HNS  (see also antillana  HNS  , bucculenta  HNS  , heyeri  HNS  , hortonae  HNS  , rhytifera  HNS  ; and mamore  HNS  in the scrobifera  HNS  group), differing in the following combination of traits.

Major: very large, humerus very prominent and subangulate in dorsal-oblique view; mesonotal convexity flattened, its anterior edge subangulate; very shallow antennal scrobes present; a tiny patch of rugoreticulum exists laterad to each antennal fossa.

Minor: occiput narrowed, with nuchal collar; transverse carinulae circling most of the posterior half of the head capsule and covering all of the pronotal dorsum; posterior half of mesopleuron and sides of propodeum longitudinally carinulate.

Measurements (mm) Holotype major: HW 2.28, HL 2.34, SL 1.08, EL 0.24, PW 1.02.

Paratype minor: HW 0.82, HL 0.92, SL 1.12, EL 0.16, PW 0.56.

color Major: overall reddish yellow; anterior fourth of head and mandibles increasingly dark in an anterior direction, so that the mandibles are light reddish brown. Minor: concolorous dark yellow.

Range Known from the type locality and Santa Tereza, Espirito Santo, 700 m, Brazil.

biology The species occurs in montane rainforest. The Boraceia Biological Station series contains an ordinary queen, but that from Santa Tereza is accompanied by a large ergatogyne.

Figure Upper: holotype, major. Lower: paratype, minor. BRAZIL: Boraceia Biological Station, Mun. Salesopolis, Sao Paulo, 850 m (W. L. Brown). Scale bars = 1 mm.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Pheidole