The type material was collected from a rotten log in montane rainforest.
Bolton (2000) - A member of the Strumigenys capitata-group. This large, stockily-built species falls into the size range of Strumigenys rhea, Strumigenys serradens and Strumigenys serraformis but is not closely related to them as it lacks their specialisations of mandibular and petiolar structure (see there). In reality dentiscapa appears to be an overgrown relative of Strumigenys capitata, Strumigenys pedunculata and Strumigenys theia, but is easily distinguished from them by its size, broad head (CI 97-101, as opposed to a combined CI 80-89 in the other three species), unique scape structure, reduced lateral postpetiolar spongiform lobe, apically upcurved propodeal spines, more numerous cephalic hairs, and a reticulate-punctate rather than costulate postpetiole disc.
Keys including this Species
Latitudinal Distribution Pattern
Latitudinal Range: -5.216666667° to -5.216666667°.
- Source: AntMaps
Distribution based on Regional Taxon Lists
Distribution based on AntMaps
Distribution based on AntWeb specimens
Check data from AntWeb
|Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.|
|Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.|
The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.
- dentiscapa. Pyramica dentiscapa Bolton, 2000: 396, fig. 249 (w.q.m.) NEW GUINEA. Combination in Strumigenys: Baroni Urbani & De Andrade, 2007: 118
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Holotype. TL 4.4, HL 0.94, HW 0.95, CI 101, ML 0.24, MI 26, SL 0.46, SI 48, PW 0.66, AL 1.26. Basal lamella of mandible low, triangular, smaller than basal tooth and not visible in full-face view when mandibles closed. Basal lamella followed by 7 stout triangular teeth, outer margin of fully closed mandibles shallowly convex. Leading edge of scape, distal of the narrow basal section, expanded into a flattened triangular lobe or tooth that projects anteriorly and bears the longest hair of the leading edge at its apex; distal to this lobe the relatively short scape narrows to its apex. Dorsum of head finely and densely reticulate-punctate everywhere, the vertex also with some fine disorganised rugular sculpture. Apicoscrobal hair short and stout, weakly curved. Cephalic dorsum with two arched transverse rows of short stout standing hairs; a posterior row of 6 close to the occipital margin and an anterior row of 4 just in front of the highest point of the vertex. Ground-pilosity of head of short appressed spatulate hairs. Eye with 7 ommatidia in the longest row. Pronotal humeral hair short and stout. Mesonotum with 2 pairs of stout standing hairs (anterior pair abraded in holotype). Petiole with one pair of hairs, postpetiole with 2 pairs; first gastral tergite with several hairs, the basal ones tending to be weakly clavate apically. Posterior half of mesonotum sloping very steeply to the metanotal groove. Propodeum with a pair of stout triangular teeth, the apices of which are slightly upcurved. Lamella on propodeal declivity vestigial, base of declivity with low but distinct lobes. Petiole node in profile with a distinctly differentiated anterior face that is shorter than the dorsal length of the node. Subpetiolar spongiform strip narrowest anteriorly, terminating in the anterior third of the peduncle length. Postpetiole in profile massively subglobose; exposed area of disc much larger than ventral spongiform lobe. Lateral spongiform lobe of postpetiole very small, little more than a slight expansion of the end of the posterior collar. Petiole node in dorsal view slightly longer than broad, with a shallow median longitudinal impression. Postpetiole in dorsal view massive, broadly anteroposteriorly convex and with spongiform tissue restricted to the posterior margin and posterolateral angles. Alitrunk, petiole and postpetiole predominantly with weakly defined shallow reticulate-punctate sculpture; mesopleuron smooth, promesonotal dorsum with faint disorganised fine rugular traces. Gaster unsculptured, smooth and shining (when clean) except for the short but sharply defined basigastral costulae.
Paratypes. TL 4.3-4.5, HL 0.94-0.98, HW 0.93-0.95, CI 97-101, ML 0.24-0.26, MI 25-27, SL 0.44-0.48, SI 46-51, PW 0.64-0.66, AL 1.18-1.26 (5 measured).
Holotype worker, Papua New Guinea: 12 km. SW Telefomin, 5°13'S, 141°35'E, 7.vii.1980, 1600 m., rotten log, montane rainforest, #4718 (P.S. Ward) (Australian National Insect Collection).
Paratypes. 16 workers, 4 queens (3 alate) and 3 males with same data as holotype (ANIC, The Natural History Museum, University of California, Davis, Museum of Comparative Zoology). (A number of unmounted specimens, including several queens and males, remain in alcohol in ANIC).
- Holotype, worker, 12km SW Telefomin, Papua New Guinea, Ward,P.S., ANIC32-017695, Australian National Insect Collection.
- Paratype, 7 workers, 1 queen, 1 male, 12km SW Telefomin, Papua New Guinea, Ward,P.S., ANIC32-001153, Australian National Insect Collection.
- Baroni Urbani, C. & De Andrade, M.L. 2007. The ant tribe Dacetini: limits and constituent genera, with descriptions of new species. Annali del Museo Civico di Storia Naturale “G. Doria” 99:1-191.
- Bolton, B. 2000. The ant tribe Dacetini. Memoirs of the American Entomological Institute. 65:1-1028. (page 396, fig. 249 worker described)
References based on Global Ant Biodiversity Informatics
- Bolton, B. 2000. The Ant Tribe Dacetini. Memoirs of the American Entomological Institute 65
- CSIRO Collection
- Janda M., G. D. Alpert, M. L. Borowiec, E. P. Economo, P. Klimes, E. Sarnat, and S. O. Shattuck. 2011. Cheklist of ants described and recorded from New Guinea and associated islands. Available on http://www.newguineants.org/. Accessed on 24th Feb. 2011.