Pheidole trachyderma Emery , 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: 765

publication ID

20017

persistent identifier

http://treatment.plazi.org/id/333F0810-9937-DFE6-D6E5-D257EC329698

treatment provided by

Donat

scientific name

Pheidole trachyderma Emery
status

new status

Pheidole trachyderma Emery  HNS  , new status

Pheidole risi subsp. trachyderma Emery  HNS  1906c: 148.

Types Mus. Civ. Stor. Nat. Genova.

Etymology Gr trachyderma  HNS  , rough skin, alluding to rugoreticulate sculpturing.

diagnosis Similar in various traits to aper  HNS  , bambusarum  HNS  , brevicona  HNS  , dyctiota  HNS  , laeviventris  HNS  , lutzi  HNS  , rugatula  HNS  , senilis  HNS  , sigillata  HNS  , and traini  HNS  , distinguished as follows.

Major: reddish yellow; all of dorsal surface of head (including frontal lobes) rugoreticulate, except for occiput, antennal fossae, frontal triangle, and clypeus; margins of pronotal dorsum rugulose and humeri rugoreticulate, but rest of promesonotal dorsum almost exclusively foveolate; in side view promesonotum descends to metanotal groove in a near-vertical face; postpetiole from above cone-shaped.

Minor: all of head, mesosoma, and petiole foveolate and opaque, carinulae confined to anterior dorsal surface of head, and rugoreticula wholly lacking; occiput broad, lacking nuchal collar.

Measurements (mm) Lectotype major: HW 1.18, HL 1.18, SL 0.64, EL 0.14, PW 0.66.

Paralectotype minor: HW 0.58, HL 0.62, SL 0.58, EL 0.10, PW 0.40.

Color Major: concolorous medium reddish yellow.

Minor: concolorous light reddish yellow.

Range Known only from the type locality.

Biology Unknown.

Figure Upper: lectotype, major. Lower: paralectotype, minor. ARGENTINA: San Pedro, Misiones. Scale bars = 1 mm.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Formicidae

Genus

Pheidole