Pheidole triumbonata, Wilson, E. O., 2003

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press : 771

publication ID

20017

DOI

https://doi.org/10.5281/zenodo.6275620

persistent identifier

https://treatment.plazi.org/id/10C4749F-5DA4-FAB1-E09F-59E0B9AD37A2

treatment provided by

Donat

scientific name

Pheidole triumbonata
status

new species

Pheidole triumbonata   HNS new species

Types Mus. Comp. Zool. Harvard.

etymology L triumbonata   HNS , three knobs, referring to the protuberant frontal lobes and midclypeal carina.

diagnosis Similar to arietans   HNS and glyphoderma   HNS of Costa Rica in many traits, but distinguished from them and all other Pheidole   HNS as follows.

Major: entire dorsal surface of head from level of eyes to occiput covered by transverse carinulae; from eye level to anterior border of head the carinulae are longitudinal; there is no rugoreticulum; frontal lobes and midclypeus bare; frontal lobes and mid-carina of clypeus protrude in side view as angular processes; all of mesosoma carinulate except mesopleuron, which is solely foveolate; postpetiole cone-shaped.

Minor: dorsal surface of head and all of mesosoma foveolate; postpetiolar node greatly depressed; propodeal spines reduced to denticles; head broad, lacking nuchal collar.

Measurements (mm) Holotype major: HW 1.40, HL 1.58, SL 0.74, EL 0.20, PW 0.74. Paratype minor: HW 0.70, HL 0.74, SL 0.66, EL 0.12, PW 0.42.

Color Major and minor: body dark brown; appendages light brown except for tarsi, which are yellow.

Range Known only from the type locality.

Biology Unknown.

Figure Upper: holotype, major. Lower: paratype, minor. MEXICO: 3 km west of Fortin De Las Flores, Veracruz, 1000 m (R. J. and A. B. Hamton). Scale bars = 1 mm.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Pheidole

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