Brachyponera pilidorsalis

Brachyponera pilidorsalis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Ponerinae
Tribe:	Ponerini
Genus:	Brachyponera
Species:	B. pilidorsalis
Binomial name
	Brachyponera pilidorsalis; Yamane, 2007

This species has been found in forest habitat nesting in rotting wood.

Identification

Keys including this Species

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: 5.033333333° to -7.502778°.


North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

Source: AntMaps

Distribution based on Regional Taxon Lists

Indo-Australian Region: Borneo, Indonesia, Malaysia (type locality).

Distribution based on AntMaps

Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

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.

Estimated Abundance

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.

Biology

Castes

Queen


.

Males have yet to be collected.

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

pilidorsalis. Pachycondyla pilidorsalis Yamane, 2007: 655, figs. 7, 9-11 (w.q.) WEST MALAYSIA.
- Type-material: holotype worker, 10 paratype workers, 2 paratype queens.
- Type-locality: holotype Malaysia: Selangor, Ulu Gombak, 5.vii.1999, FI99-291 (F. Ito); paratypes with same data.
- Type-depositories: FRKL (holotype); BMNH, LACM, MCZC, SKYC (paratypes).
- Combination in Brachyponera: Schmidt, C.A. & Shattuck, 2014: 80.
- Status as species: Pfeiffer, et al. 2011: 57.
- Distribution: Brunei, Indonesia (Java), Malaysia (Peninsula, Sabah).

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.

Description

Worker

holotype in parentheses: HW 0.96-0.98 (0.96); HL 1.00-1.05 (1.00); SL 1.07-1.09 (1.08); EL 0.19-0.20 (0.19); MSL 0.11-0.13 (0.11). SL/HL 1.03-1.08 (1.08); Number of ommatidia along long axis of eye ca.12.

Very similar to Brachyponera nigrita and Brachyponera batak. Mesopleuron usually with a transverse groove. Posterior faces of propodeum and petiole constantly punctate. Dorsum of mesosoma usually with more than ten standing hairs, some of which are longer than width of antennal segment 2. Gastral tergites 1 and 2 each with more than ten long standing hairs.

Queen

Similar to B. batak in body size and distinctly punctate metapleuron (in B. nigrita metapleuron almost smooth). Specimens from Malay Pen. tend to be larger than those from Borneo (HW: 0.83-0.91 vs. 1.04-1.06 mm). Mesosoma dorsally and gastral tergites with numerous long standing hairs.

Type Material

Holotype: worker, Ulu Gombak (ca. 250 m alt.), Selangor Prov., Malaysia., 5 vii 1999, F. Ito (FI99-291). Paratypes: 10w, 2q, from the same colony as holotype. The holotype is deposited in the Entomological Collection at Forest Research Institute, Kuala Lumpur, Malaysia, and paratypes in SKY Collection, Kagoshima University, Natural History Museum (SKY Collection), London (The Natural History Museum), Museum of Comparative Zoology, Harvard University (Museum of Comparative Zoology) and Natural History Museum of Los Angeles County (Los Angeles County Museum of Natural History).

Etymology

The name refers to the presence of numerous standing hairs on the dorsum of the bodies of the queen and worker.

References

Schmidt, C.A. & Shattuck, S.O. 2014. The higher classification of the ant subfamily Ponerinae (Hymenoptera: Formicidae), with a review of ponerine ecology and behavior. Zootaxa 3817, 1–242 (doi:10.11646/zootaxa.3817.1.1).
Yamane, S. 2007. Pachycondyla nigrita and related species in southeast Asia (pp. 650-663). In Snelling, R.R., Fisher, B.L. and Ward, P.S. (eds). Advances in ant systematics: homage to E.O. Wilson – 50 years of contributions. Memoirs of the American Entomological Institute. 80:690 pp.
Yamane, S., Tanaka, H.O., Hasimoto, Y., Ohashi, M., Meleng, P., Itioka, T. 2021. A list of ants from Lambir Hills National Park and its vicinity, with their biological information: Part II. Subfamilies Leptanillinae, Proceratiinae, Amblyoponinae, Ponerinae, Dorylinae, Dolichoderinae, Ectatomminae and Formicinae. Contributions from the Biological Laboratory, Kyoto University 31, 87–157.

References based on Global Ant Biodiversity Informatics

Fayle T. M., E. C. Turner, J. L. Snaddon, V. Khen Chey, A. Y. C. Chung, P. Eggleton, and W. A. Foster. 2010. Oil palm expansion into rain forest greatly reduces ant biodiversity in canopy, epiphytes and leaf-litter. Basic and Applied Ecology 11: 337345.
Kishimoto-Yamata K., F. Hyodo, M. Matsuoka, Y. Hashimoto, M. Kon, T. Ochi, S. Yamane, R. Ishii, and T. Itioka. 2012. Effects of remnant primary forests on ant and dung beetle species diversity in a secondary forest in Sarawak, Malaysia. Journal of Insect Conservation DOI 10.1007/s10841-012-9544-6
Mezger D., and M. Pfeiffer. 2011. Partitioning the impact of abiotic factors and spatial patterns on species richness and community structure of ground ant assemblages in four Bornean rainforests. Ecography 34: 39-48.
Mezger D., and M. Pfeiffer. 2011. Partitioning the impact of abiotic factors and spatial patterns on species richness and community structure of ground assemblages in four Bornean rainforest. Ecography 34: 39-48.
Pfeiffer M., D. Mezger, and J. Dyckmans. 2013. Trophic ecology of tropical leaf litter ants (Hymenoptera: Formicidae) - a stable isotope study in four types of Bornean rain forest. Myrmecological News 19: 31-41.
Pfeiffer M., and D. Mezger. 2012. Biodiversity Assessment in Incomplete Inventories: Leaf Litter Ant Communities in Several Types of Bornean Rain Forest. PLoS ONE 7(7): e40729. doi:10.1371/journal.pone.0040810
Pfeiffer M., and D. Mezger. 2012. Biodiversity Assessment in Incomplete Inventories: Leaf Litter Ant Communities in Several Types of Bornean Rain Forest. PLoS ONE 7(7): e40729. doi:10.1371/journal.pone.0040936
Pfeiffer M., and D. Mezger. 2012. Biodiversity Assessment in Incomplete Inventories: Leaf Litter Ant Communities in Several Types of Bornean Rain Forest. PLoS ONE 7(7): e40729. doi:10.1371/journal.pone.0041004
Pfeiffer M., and D. Mezger. 2012. Biodiversity Assessment in Incomplete Inventories: Leaf Litter Ant Communities in Several Types of Bornean Rain Forest. PLoS ONE 7(7): e40729. doi:10.1371/journal.pone.0041118
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
Yamane S. 2007. Pachycondyla nigrita and related species in southeast Asia (pp. 650-663). In Snelling, R.R., Fisher, B.L. & Ward, P.S. (eds). Advances in ant systematics: homage to E.O. Wilson 50 years of contributions. Memoirs of the American Entomological Institute 80: 690 pp.
Yamane, S. "Pachycondyla nigrita and related species in Southeast Asia." In Memoirs of the American Entomological Institute, edited by R. R. Snelling, B. L. Fisher and P. S. Ward, 651-663. Vol. 80. Advances in ant systematics (Hymenoptera: Formicidae): homage to E. O. Wilson 50 years of contributions 80., 2007. Abstract