Strumigenys vertigosa

Known only from the holotype worker, collected from a lowland rainforest litter-sample.

Identification
Bolton (2000) – A member of the koningsbergeri complex in the Strumigenys koningsbergeri-group. See Strumigenys koningsbergeri.

Distribution based on Regional Taxon Lists
Indo-Australian Region: Borneo, Indonesia, Malaysia.

Nomenclature

 *  vertigosa. Strumigenys vertigosa Bolton, 2000: 855 (w.) BORNEO.

Worker
Holotype. TL 2.6, HL 0.75, HW 0.62, CI 83, ML 0.34, MI 45, SL 0.40, SI 65, PW 0.32, AL 0.70. With characters of koningsbergeri-complex. Preocular concavity forms a shallow depression on ventral surface of head. Upper scrobe margins not constricted above eye, only extreme outer arc of eye visible in full-face view, or eye not visible. Depression across posterior vertex of head shallow, weakly developed. Pronotum without a pair of short standing hairs close to anterodorsal margin. Pronotal humeral hair stiff, straight and simple. A single erect pair of hairs on mesonotum. Katepisternum mostly smooth but metapleuron and side of propodeum uniformly reticulate-punctate. Bullae of fem oral glands absent on middle and hind legs. Lamella on propodeal declivity conspicuous. Standing hairs on first gastral tergite simple or slightly expanded and flattened toward the apex.

Paratypes. TL 2.5-2.6, HL 0.71-0.76, HW 0.58-0.62, CI 82-83, ML 0.32-0.34, MI 43-46, SL 0.40-0.41, SI 65-69, PW 0.30-0.32, AL 0.70 (4 measured).

Type Material
Holotype worker, Malaysia: Sarawak, 4th Div., G. Mulu Nat. Pk, RGS Expd., Long Pala, 14.x.1977, lowl. rainforest, leaf litter (B. Bolton). Paratypes. 4 workers with same data as holotype (BMNH, ).

References based on Global Ant Biodiversity Informatics

 * Pfeiffer M.; Mezger, D.; Hosoishi, S.; Bakhtiar, E. Y.; Kohout, R. J. 2011. The Formicidae of Borneo (Insecta: Hymenoptera): a preliminary species list. Asian Myrmecology 4:9-58