Strumigenys pergandei

Identification
Bolton (2000) - Closely related to Strumigenys angulata but more widely distributed. A comparison of their very different dental arrays is discussed following the diagnosis of the group.

Distribution based on Regional Taxon Lists
Indo-Australian Region: Tokelau. Nearctic Region: United States.



Nomenclature

 *  pergandei. Strumigenys pergandei Emery, 1895c: 326, pl. 8, figs. 17, 18 (w.q.m.) U.S.A. Wheeler, G.C. & Wheeler, J. 1955a: 144 (l.). Combination in S. (Cephaloxys): Emery, 1924d: 325; in S. (Trichoscapa): Smith, M.R., 1943f: 307; Creighton, 1950a: 308; in Smithistruma (Wessonistruma): Brown, 1948e: 106; Brown, 1953g: 51; in Pyramica: Bolton, 1999: 1673; in Strumigenys: Baroni Urbani & De Andrade, 2007: 126. See also: Bolton, 2000: 116.

Worker
Bolton (2000) - TL 2.5-2.9, HL 0.66-0.72, HW 0.47-0.50, CI 68-74, ML 0.16-0.18, MI 25-30, SL 0.37-0.42, SI 79-84, PW 0.29-0.33, AL 0.64-0.72 (10 measured).

Basal lamella of mandible narrowly triangular, high and slightly recurved, fully exposed and with apices of lamellae meeting above the labrum when mandibles fully closed. Basal lamella very widely separated from basal tooth, distance between them about equal to the dentate length of the blade in full-face view. Basal and third tooth on mandible triangular and acute, second tooth broad and bluntly rounded; basal longer than second or third teeth.

Anterior and lateral margins of clypeus meeting through evenly rounded broad curves in full-face view. Eye small, with only about 6-8 ommatidia in total. Cephalic dorsum without standing hairs of any form but densely clothed with spoon-shaped ground- pilosity.

Apicoscrobal hair absent. Pronotal humeral hair absent. Dorsum of promesonotum with large curved spoon-shaped ground-pilosity but without erect hairs. Disc of postpetiole with posteriorly curved spatulate hairs. Middle and hind basitarsi each with 1-2 long fine flagellate hairs.

Type Material
Bolton (2000) - Syntype workers, queens and males, U.S.A. Maryland, District of Columbia, Pennsylvania (T. Pergande) [examined].