Pheidole trinitatis , 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: 527

publication ID

20017

persistent identifier

http://treatment.plazi.org/id/1CE63269-0FDC-3361-B06B-AC52A8DE41AD

treatment provided by

Donat

scientific name

Pheidole trinitatis
status

new species

Pheidole trinitatis  HNS  new species

Types Mus. Comp. Zool. Harvard.

Etymology Named after the country from which the type specimens originated.

diagnosis Similar to exigua  HNS  , flavens  HNS  , moerens  HNS  , nitidicollis  HNS  , nuculiceps  HNS  , orbica  HNS  , pholeops  HNS  , and sculptior  HNS  , distinguished as follows. Major: reddish yellow, with brown gaster; rugoreticulum fills space between eyes, antennal fossa, and anterior head border on each side of head; very small patch of rugoreticulum on humerus; carinulae of frontal lobes extend posteriorly only to midpoint of head; all of head and body except gaster foveolate and opaque; mesonotal convexity well-developed; pronotal profile in dorsal-oblique view feebly bilobate; postpetiole from above diamond-shaped; pilosity sparse.

Minor: ventral profile of head in side view feebly concave; eyes set well forward on head and slightly tapered anteriorly; humerus dentate in dorsal-oblique view; all of body except gaster foveolate and opaque, and carinulae limited to antennal fossae; mesosomal pilosity sparse, consisting at least partly of widely spaced pairs of setae. measurements (mm) Holotype major: HW 0.90, HL 0.54, SL 0.48, EL 0.10, PW 0.44. Paratype minor: HW 0.46, HL 0.50, SL 0.44, EL 0.06, PW 0.30.

color Major: body appendages medium reddish yellow ("orange") except for gaster, which is plain medium brown. Minor: concolorous light reddish yellow ("light orange").

Range Known from the type locality, and from the Arena Forest Reserve, St. Andrew Co., Trinidad.

biology The type colony was found in a floodplain forest, nesting in a dead twig; and the Arena Forest Reserve colony was in secondary lowland rainforest, in a hollow fruit buried in sandy soil.

Figure Upper: holotype, major. Lower: paratype, minor. TRINIDAD: Bridge 1/7, east of Valencia, St. Andrew Parish (Stefan Cover). Scale bars = 1 mm.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Pheidole