Ocymyrmex cursor , Bolton, B., 1981

Bolton, B., 1981, A revision of six minor genera of Myrmicinae (Hymenoptera: Formicidae) in the Ethiopian zoogeographical region., Bulletin of the British Museum (Natural History) Entomology 43, pp. 245-307: 267-268

publication ID

6438

persistent identifier

http://treatment.plazi.org/id/5E591865-FEDF-BC77-08D2-861B0CE746B0

treatment provided by

Christiana

scientific name

Ocymyrmex cursor
status

sp. n.

Ocymyrmex cursor  HNS  sp. n.

Holotype worker. TL 9.7, HL 2.08, HW 2.04, CI 98, SL 1 - 94, SI 95, PW 1.30, AL 2.74.

Anterior clypeal margin with a minute and very shallow inconspicuous indentation in the apron medially, without a conspicuous semicircular impression flanked by a pair of teeth. With the head in full-face view the occipital margin very shallowly but quite broadly concave. Maximum diameter of eye 0.44, about 0.22 x HW. Promesonotum in profile evenly rounded, sloping posteriorly. Anterior half of propodeal dorsum very feebly concave but above the spiracle very shallowly convex before rounding broadly and evenly into the declivity. Metapleural lobes prominent and narrowly rounded, easily visible in profile, not concealed by the bulge of the metapleural glands. Peduncle of petiole with a broadly triangular low blunt process on its ventral surface, about half-way between the insertion and the level of the spiracle. Node of petiole in profile low and broadly rounded, with a differentiated dorsal surface which is almost flat. In dorsal view the petiole node as long as broad, the postpetiole broader than long. Base of first gastral tergite constricted, forming a neck in dorsal view. Dorsum of head costulate, predominantly longitudinally so but with a few arching in over the eye. Ground-sculpture a fine superficial granulation or punctulation which is more conspicuous away from the midline of the head. Centre of pronotal dorsum almost smooth, with only vestigial sculpture; in front of this arched-transverse costulae are present and behind it longitudinal costulae run back between the mesothoracic spiracles. Remainder of dorsal alitrunk and propodeal declivity transversely rugose. Sides of alitrunk densely and evenly costulate-rugose, the sculpture regular except around the propodeal spiracle. Petiole ventrally transversely rugose from the level of the process and the peduncle dorsally with a few weak transverse rugae. The node itself more weakly sculptured, mostly with superficial patterning only but the posterior face with a few weak transverse rugulae. Postpetiole only with superficial patterning. Dorsal surfaces of head and alitrunk with numerous hairs of varying length but first gastral tergite only with scattered short hairs. Alitrunk glossy dull red, the head lighter and with an orange tint, the gaster darker, reddish brown.

Holotype worker, Angola: Kopeio, vii. 1931 (T. D. A. Cockerell) (BMNH).

The closest relative of cursor  HNS  is laticeps  HNS  , also from Angola. Differentiation of the two species is discussed under laticeps  HNS  .