Pheidole guayasana, Wilson, E. O., 2003

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press : 702

publication ID

20017

DOI

https://doi.org/10.5281/zenodo.6275460

persistent identifier

https://treatment.plazi.org/id/32F83CDF-13A7-C8B5-5881-4631C7CBADBA

treatment provided by

Donat

scientific name

Pheidole guayasana
status

new species

Pheidole guayasana   HNS new species

Types Mus. Comp. Zool. Harvard.

Etymology Named based on the Ecuadoran province of the type locality.

diagnosis Similar in various characters to fullerae   HNS , gauthieri   HNS , hetschkoi   HNS , heyeri   HNS , napoensis   HNS , pidax   HNS , rosae   HNS , rosula   HNS , and especially securiger   HNS , differing as follows.

Major: brown; frontal lobes extended forward as conspicuous right-angular processes, seen from the side; antennal scrobes present, each followed posteriorly by a patch of rugoreticulum; a very small patch of rugoreticulum present on edge of antennal fossa; occipital lobes in full-face view smoothly rounded; posterior half of pronotal profile flat in dorsal-oblique view; mesonotum and dorsal propodeal face almost entirely free of carinulae; postpetiole spinose.

Minor: propodeal spines reduced to denticles; occiput narrow, with very thin nuchal collar; carinulae on promesonotum mostly limited to anterior and posterior margins; carinulae on head mostly limited to posterior fourth of dorsal head surface. Measurements (mm) Holotype major: HW 1.52, HL 1.64, SL 0.68, EL 0.14, PW 0.74. Paratype minor: HW 0.56, HL 0.60, SL 0.70, EL 0.08, PW 0.38.

color Major: gaster plain dark brown; rest of body, and mandibles, medium reddish brown; other appendages plain dark yellow. Minor: body plain light brown, appendages dark yellow.

Range Known only from Bucay and Rio Palenque, Ecuador.

Biology The type series was collected from a forest at the base of a mountain, and the nest contained seeds. Winged queens were present in the Rio Palenque nest when found by G. J. Umphrey on 28 July.

figure Upper: holotype, major. Lower: paratype, minor. ECUADOR: 3 km southwest of Bucay, Guayas (William L. Brown). Scale bars = 1 mm.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Pheidole

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