Pheidole tobini , 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: 356

publication ID

20017

persistent identifier

http://treatment.plazi.org/id/A04FDDCD-F850-B035-92CB-9016DE3FD4E4

treatment provided by

Donat

scientific name

Pheidole tobini
status

new species

Pheidole tobini  HNS  new species

Types Mus. Comp. Zool. Harvard.

Etymology Named after John E. Tobin, one of the collectors, and a student of the Amazon arboreal ant fauna.

diagnosis A member of the fallax  HNS  group, similar to fallax  HNS  , jelskii  HNS  , obscurithorax  HNS  , puttemansi  HNS  , roushae  HNS  , and valens  HNS  , and distinguished as follows.

Major: dark brown; head narrowed toward occiput in side view, and subrectangular in full-face view; occipital cleft deep; posterior fourth of head, including occiput, and frontal lobes longitudinally carinulate, contrasting with the mostly rugoreticulate anterior threefourths of the head; humerus in dorsal-oblique view subangulate; petiolar peduncle thin, and node in side view tapering almost to a point at the apex; anterior half of the first gastral tergite shagreened and opaque. Minor: occiput constricted to a neck with a broad nuchal collar; petiolar peduncle slender. Measurements (mm) Holotype major: HW 1.68, HL 1.80, SL 1.00, EL 0.22, PW 0.80. Paratype minor: HW 0.56, HL 0.82, SL 1.12, EL 0.14, PW 0.44.

Color Major: head dark reddish brown, body dark and in some places blackish brown.

Minor: head, mesosoma, and petiolar peduncle medium brown; gaster and rest of waist light brown; appendages light brown.

Range Known only from the type locality.

Biology The type colony was found in terra firme rainforest, nesting in an epiphyte mass on a large fallen tree. A second colony was discovered at the same locality and habitat, nesting beneath the bark of a fallen log at the edge of a tree gap.

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