Crematogaster obscura

Crematogaster obscura
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Myrmicinae
Tribe:	Crematogastrini
Genus:	Crematogaster
Species:	C. obscura
Binomial name
Crematogaster obscura Smith, F., 1857 Specimen Labels

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: 2.547988° to -0.616667°.

North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

• Source: AntMaps

Distribution based on Regional Taxon Lists

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

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.

Castes

Images from AntWeb

Syntype of Crematogaster obscura. Worker. Specimen code casent0901437. Photographer Will Ericson, uploaded by California Academy of Sciences.	Owned by OUM, Oxford, UK.

Nomenclature

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

• obscura. Crematogaster obscurus Smith, F. 1857a: 76 (w.) BORNEO (East Malaysia: Sarawak).
  • Type-material: 2 syntype workers.
  • [Note: Donisthorpe, 1932c: 450, cites 2w syntypes OXUM; (confirmed by Bolton (unpublished notes) 1978).]
  • Type-locality: Malaysia: Sarawak, “SAR.” (A.R. Wallace).
  • Type-depository: OXUM.
  • Combination in C. (Acrocoelia): Emery, 1922e: 151; Donisthorpe, 1932c: 450;
  • combination in C. (Crematogaster): Bolton, 1995b: 166.
  • Status as species: Smith, F. 1858b: 137; Smith, F. 1859a: 149; Mayr, 1863: 404; Roger, 1863b: 37; Smith, F. 1871a: 329; Dalla Torre, 1893: 84; Emery, 1922e: 151; Donisthorpe, 1932c: 450; Chapman & Capco, 1951: 92; Bolton, 1995b: 159; Pfeiffer, et al. 2011: 46.
  • Distribution: Malaysia (Sarawak).

The following notes on F. Smith type specimens have been provided by Barry Bolton (details):

Two worker syntypes in Oxford University Museum of Natural History. Labelled “SAR.” (= Sarawak).

References

• Albuquerque, E., Prado, L., Andrade-Silva, J., Siqueira, E., Sampaio, K., Alves, D., Brandão, C., Andrade, P., Feitosa, R., Koch, E., Delabie, J., Fernandes, I., Baccaro, F., Souza, J., Almeida, R., Silva, R. 2021. Ants of the State of Pará, Brazil: a historical and comprehensive dataset of a key biodiversity hotspot in the Amazon Basin. Zootaxa 5001, 1–83 (doi:10.11646/zootaxa.5001.1.1).
• Donisthorpe, H. 1932c. On the identity of Smith's types of Formicidae (Hymenoptera) collected by Alfred Russell Wallace in the Malay Archipelago, with descriptions of two new species. Ann. Mag. Nat. Hist. 10(10): 441-476 (page 450, Combination in C. (Acrocoelia))
• Emery, C. 1922c. Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [part]. Genera Insectorum 174B: 95-206 (page 151, Combination in C. (Acrocoelia))
• Franco, W., Ladino, N., Delabie, J.H.C., Dejean, A., Orivel, J., Fichaux, M., Groc, S., Leponce, M., Feitosa, R.M. 2019. First checklist of the ants (Hymenoptera: Formicidae) of French Guiana. Zootaxa 4674, 509–543 (doi:10.11646/zootaxa.4674.5.2).
• Herrera, H.W., Baert, L., Dekoninck, W., Causton, C.E., Sevilla, C.R., Pozo, P., Hendrickx, F. 2020. Distribution and habitat preferences of Galápagos ants (Hymenoptera: Formicidae). Belgian Journal of Entomology, 93: 1–60.
• Rosas-Mejía, M., Guénard, B., Aguilar-Méndez, M. J., Ghilardi, A., Vásquez-Bolaños, M., Economo, E. P., Janda, M. 2021. Alien ants (Hymenoptera: Formicidae) in Mexico: the first database of records. Biological Invasions 23(6), 1669–1680 (doi:10.1007/s10530-020-02423-1).
• Smith, F. 1857a. Catalogue of the hymenopterous insects collected at Sarawak, Borneo; Mount Ophir, Malacca; and at Singapore, by A. R. Wallace. [part]. J. Proc. Linn. Soc. Lond. Zool. 2: 42-88 (page 76, worker described)
• Ulysséa, M.A., Brandão, C.R.F. 2013. Ant species (Hymenoptera, Formicidae) from the seasonally dry tropical forest of northeastern Brazil: a compilation from field surveys in Bahia and literature records. Revista Brasileira de Entomologia 57, 217–224 (doi:10.1590/s0085-56262013005000002).
• Ward, P.S., Blaimer, B.B. 2022. Taxonomy in the phylogenomic era: species boundaries and phylogenetic relationships among North American ants of the Crematogaster scutellaris group (Formicidae: Hymenoptera), Zoological Journal of the Linnean Society 194(3): 893–937 (doi:10.1093/zoolinnean/zlab047).

References based on Global Ant Biodiversity Informatics

• Chapman, J. W., and Capco, S. R. 1951. Check list of the ants (Hymenoptera: Formicidae) of Asia. Monogr. Inst. Sci. Technol. Manila 1: 1-327
• Hosoishi S. and K. Ogata. 2009. A check list of the ant genus Crematogaster in Asia (Hymenoptera: Formicidae). Bull. Inst. Trop. Agr. Kyushu Univ. 32: 43-83.
• 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
• Smith, F.. "Catalogue of the hymenopterous insects collected at Sarawak, Borneo; Mount Ophir, Malacca; and at Singapore, by A. R. Wallace." Journal of the Proceedings of the Linnean Society of London, Zoology 2 (1857): 42-88.
• Smith, Fr.. "Catalogue of hymenopterous insects collected by Mr. A. R. Wallace in the Islands of Bachian, Kaisaa, Amboyna, Gilolo, and at Dory in New Guinea." Journal of the Proceedings of the Linnean Society of London, Zoology 5 (1860): 93-143.
• Wheeler W. M. 1919. The ants of Borneo. Bulletin of the Museum of Comparative Zoology 63:43-147.