Pheidole excubitor , 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: 687

publication ID

20017

persistent identifier

http://treatment.plazi.org/id/FF5B6ECF-EA35-F622-710B-BC62E61846BD

treatment provided by

Donat

scientific name

Pheidole excubitor
status

new species

Pheidole excubitor  HNS  new species

Types INBio.

Etymology L excubitor  HNS  , guard, sentinel.

Diagnosis A large, striking, bicolored member of the tristis  HNS  group, with both major and minor possessing short, sparse, erect pilosity and a prominent humerus that rises far above the relatively flat promesonotum in dorsal-oblique view. Mesonotal convexity greatly reduced in major and absent in minor. In both castes, postpetiolar node seen from above bell-shaped, and prominent rounded postpetiolar process present.

Similar to alpinensis  HNS  , exarata  HNS  , germaini  HNS  , grandinodus  HNS  , grantae  HNS  , obrima  HNS  , rogeri  HNS  , severini  HNS  , stulta  HNS  , tristis  HNS  , and zoster  HNS  , differing in many details of body form, sculpturing, and pilosity as illustrated, and in color. Measurements (mm) Holotype major: HW 1.56, HL 1.74, SL 0.84, EL 0.20, PW 0.80. Paratype minor: HW 0.70, HL 0.74, SL 0.76, EL 0.16, PW 0.46.

Color Major: waist and gaster blackish brown, contrasting with the yellowish red of the remainder of the body; appendages a darker shade of reddish yellow.

Minor: gaster medium brown, contrasting with the reddish yellow of the rest of the body and appendages.

Range Atlantic lowlands of Costa Rica (J. T. Longino 1997).

Biology Colonies nest beneath epiphytes in lowland rainforest (Longino 1997).

figure Upper: holotype, major. Lower: paratype, minor. COSTA RICA: La Selva Biological Station, near Pueblo Nuevo, Heredia, 150 m (John T. Longino). Scale bars = 1 mm.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Pheidole