Pheidole demeter, Wilson, E. O., 2003

Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA, USA: Harvard University Press : 186

publication ID

20017

DOI

https://doi.org/10.5281/zenodo.6275717

persistent identifier

https://treatment.plazi.org/id/4FD0355A-77F9-5A76-5F9D-6FC386408C14

treatment provided by

Donat

scientific name

Pheidole demeter
status

new species

Pheidole demeter   HNS new species

Types Mus. Comp. Zool. Harvard.

Etymology Gr demeter   HNS , goddess of agriculture and social order.

diagnosis A member of the diligens   HNS group closest to calimana , cataractae   HNS , scimitar   HNS , and tenuis   HNS , differing as follows. Major: humerus in side view with "sharkfin" extension; propodeal spine small and sharp or else reduced to a denticle as illustrated; posterior half of dorsal head surface covered by longitudinal carinulae, those on occiput broken and faint; space between eye and antennal fossa rugoreticulate.

Minor: propodeal spine absent; occiput narrowed, with nuchal collar.

Measurements (mm) Holotype major: HW 1.08, HL 1.12, SL 0.80, EL 0.20, PW 0.48.

Paratype minor: HW 0.52, HL 0.62, SL 0.82, EL 0.14, PW 0.32.

Color Major: head and mandibles light brown with slight reddish tinge; anterior half of first gastral tergite plain light brown; mesosoma and rest of gaster plain medium brown; rest of appendages light, almost yellowish brown.

Minor: concolorous plain medium brown except for first gastral tergite and appendages, which are light brown.

range Known only from the type locality.

Biology Of three colonies collected by Cover and Tobin at Cuzco Amazonico, Peru, two were nesting in rotten sticks in the litter surface of terra firme forest, and the third was beneath the bark of a palm log in seasonally flooded forest.

Figure Upper: holotype, major. Lower: paratype, minor. PERU: Cuzco Amazonico, 15 km northeast of Puerto Maldonado, Madre de Dios (Stefan Cover and John E. Tobin). Scale bars = 1 mm.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Pheidole

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