Anochetus rugosus

AntWiki: The Ants --- Online
Anochetus rugosus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ponerinae
Tribe: Ponerini
Genus: Anochetus
Species group: rugosus
Species: A. rugosus
Binomial name
Anochetus rugosus
(Smith, F., 1857)

Anochetus rugosus casent0281877 p 1 high.jpg

Anochetus rugosus casent0281877 d 1 high.jpg

Specimen Labels

Synonyms

Identification

A member of the rugosa group. Brown (1978) defined the group: Large to medium-sized forms with single, serially dentate inner margins; mesonotal disc with a raised anterior rim; petiole bluntly pointed or narrowly rounded at apex. Male (of princeps) without pygidial spine.

Satria et al. (2017) – The species of the rugosus group differ by the following characters: Anochetus mixtus - Dorsum of head in full-face view largely smooth and shiny, but frons distinctly striate obliquely and longitudinally; mesopleuron smooth and shiny; petiolar node with its basal half weakly striate. Anochetus muzziolii - Pronotal disc smooth and shiny; mandible short (MdI < 60). Anochetus princeps - Pronotal disc smooth and shiny; mesosoma relatively slender; petiole in lateral view with a relatively long anterior peduncle. Anochetus rugosus - Head in full-face view largely striated; lateral face of head partly striated; ventral face of head smooth and shiny; mesosoma relatively short and stout; petiolar node in lateral view with anterior face sinuate and posterior face weakly convex; anterior third of mesopleuron finely sculptured; propodeum coarsely rugose; petiolar node largely coarsely rugose.

Species discrimination based on male genitalia and associated sclerites (no males known for A. muzziolii). Anochetus mixtus is easily distinguished from the other species in the Anochetus rugosus group by the following characters: abdominal sternum IX much longer than broad with obtuse posterolateral corners (in A. princeps much longer than broad, without posterolateral corners; in A. rugosus slightly longer than broad, without posterolateral corners); dorsal outline of paramere weakly convex (in A. rugosus straight, gradually sloping downward to angulate distidorsal part); distiventral part of valviceps produced but shorter than broad, truncate distally (in A. princeps forming an acute, pointed and slightly downcurved projection which is much longer than broad; in A. rugosus forming a subrectangular lobe which is longer than broad); valviceps with 23−24 denticles on the ventral margin (in A. princeps with 13−14 denticles on the ventral margin, and with ca. 10 denticles on the dorsodistal margin; in A. rugosus strongly concave with 19 denticles on the ventral margin, and 9 denticles on the distal margin of the lobe). See figures in male caste section below.

Keys including this Species

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: 5.833333492° to 0.666667°.

 
North
Temperate 		North
Subtropical 		Tropical South
Subtropical 		South
Temperate

Distribution based on Regional Taxon Lists

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

Distribution based on AntMaps

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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.
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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.
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Biology

Castes

Worker

Images from AntWeb

Anochetus rugosus casent0905743 h 1 high.jpgAnochetus rugosus casent0905743 p 1 high.jpgAnochetus rugosus casent0905743 d 1 high.jpgAnochetus rugosus casent0905743 l 1 high.jpg
Holotype of Anochetus beccarii. Worker. Specimen code casent0905743. Photographer Will Ericson, uploaded by California Academy of Sciences. Owned by MSNG, Genoa, Italy.

Male

Anochetus F6 m.jpgAnochetus F7 m.jpg
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Nomenclature

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

  • rugosus. Odontomachus rugosus Smith, F. 1857a: 65 (w.) SINGAPORE.
    • Type-material: holotype worker.
    • Type-locality: Singapore: (no further data) (A.R. Wallace).
    • Type-depository: unknown.
    • [Note: a specimen labelled as type by Donisthorpe, 1932c: 447, in OXUM bears two locality labels, one of which is “SAR” (= Sarawak), and the other “Gilolo” (= Halmahera). As Donisthorpe points out this specimen “cannot be the type” as the type-locality given by Smith, F. 1857a: 65, is Singapore. This is the only Smith collection specimen of rugosus detected in OXUM or BMNH. Identity of the specimen appears correct; the labels may have been switched at some date after 1857 (Bolton (unpublished notes) 1978).]
    • Wheeler,G.C. & Wheeler, J. 1976: 61 (l.).
    • Combination in Anochetus: Emery, 1911d: 109.
    • Status as species: Smith, F. 1858b: 79; Roger, 1861a: 27; Roger, 1863b: 21; Mayr, 1863: 437; Smith, F. 1871a: 319; Dalla Torre, 1893: 52; Emery, 1911d: 109; Donisthorpe, 1932c: 447; Chapman & Capco, 1951: 41; Brown, 1964d: 214; Brown, 1978c: 558, 575; Bolton, 1995b: 65; Jaitrong & Nabhitabhata, 2005: 13; Pfeiffer, et al. 2011: 55; Satria, Bui & Eguchi, 2017: 12; Khachonpisitsak, et al. 2020: 139; Wang, W.Y., Soh, et al. 2022: 116.
    • Senior synonym of beccarii: Brown, 1964d: 214; Brown, 1978c: 575; Bolton, 1995b: 65.
    • Senior synonym of ineditus: Brown, 1978c: 575; Bolton, 1995b: 65.
    • Senior synonym of jacobsoni Menozzi: Brown, 1978c: 575; Bolton, 1995b: 65.
    • Senior synonym of menozzii: Brown, 1978c: 575; Bolton, 1995b: 65.
    • Distribution: Indonesia (Kalimantan, Sumatra), Malaysia (Sabah), Singapore, Thailand.
  • beccarii. Anochetus beccarii Emery, 1884a: 379 (diagnosis in key) (w.) INDONESIA (Sumatra).
    • Type-material: holotype worker.
    • Type-locality: Indonesia: Sumatra, Ajer Mantcior (O. Beccari).
    • [Note: type-locality data from Emery, 1887b: 427.]
    • Type-depository: MSNG.
    • Status as species: Emery, 1887b: 427; Dalla Torre, 1893: 47; Emery, 1911d: 108; Forel, 1911d: 382; Forel, 1912n: 51; Chapman & Capco, 1951: 39.
    • Junior synonym of rugosus: Brown, 1964d: 214; Brown, 1978c: 575; Bolton, 1995b: 63.
  • ineditus. Anochetus ineditus Baroni Urbani, 1971b: 360.
    • Unnecessary (second) replacement name for Anochetus jacobsoni Menozzi, 1939b: 178 (Bolton, 1995b: 64).
    • Junior synonym of rugosus: Brown, 1978c: 575; Bolton, 1995b: 65.
  • jacobsoni. Anochetus jacobsoni Menozzi, 1939b: 178, fig. 3 (w.) INDONESIA (Sumatra).
    • Type-material: syntype workers (number not stated, “several examples”).
    • Type-locality: Indonesia: Sumatra, Anai Kloof, 300 m. (E. Jacobson).
    • Type-depository: IEUB.
    • [Junior primary homonym of Anochetus jacobsoni Forel, 1911b: 193.]
    • Replacement name: Anochetus menozzii Donisthorpe, 1941k: 237.
    • Unnecessary (second) replacement name: ineditus Baroni Urbani, 1971b: 360 (Brown, 1978c: 575; Bolton, 1995b: 64).
    • Junior synonym of rugosus: Brown, 1978c: 558; Bolton, 1995b: 65.
  • menozzii. Anochetus menozzii Donisthorpe, 1941k: 237.
    • Replacement name for Anochetus jacobsoni Menozzi, 1939b: 178. [Junior primary homonym of Anochetus jacobsoni Forel, 1911b: 193.]
    • Junior synonym of rugosus: Brown, 1978c: 558; Bolton, 1995b: 65.

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

Description

Male

Satria et al. (2017) – Description of male genitalia and associated sclerites. Abdominal tergum VIII without a median spine. Abdominal sternum IX (subgenital plate) slightly longer than broad, triangular, tapering toward subrectangular apex, without posterolateral corners. Dorsal outline of paramere straight, gradually sloping downward to angulate distidorsal part. Distiventral part of valviceps forming a subrectangular lobe which is longer than broad. Ventral margin of valviceps to the anterodistal corner of the lobe strongly concave, with 19 denticles; distal margin of the lobe very short and straight, with 9 denticles. Dorsodistal margin of valviceps weakly sinuate, without denticles.

Type Material

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

Odontomachus rugosus

The specimen labelled as type by Donisthorpe in Oxford University Museum of Natural History is not type-material. Its pin bears two locality labels, one of which is “SAR” (= Sarawak), and the other “Gilolo” (= Halmahera). The type-locality given by Smith (1857a: 65) is Singapore. This is the only Smith coll. specimen of rugosus detected in Oxford University Museum of Natural History or The Natural History Museum. Possibility that the labels have been switched at some date after 1857?

References

References based on Global Ant Biodiversity Informatics

  • Brown Jr., W.L. 1978. Contributions toward a reclassification of the Formicidae. Part VI. Ponerinae, Tribe Ponerini, Subtribe Odontomachiti, Section B. Genus Anochetus and Bibliography. Studia Entomologia 20(1-4): 549-XXX
  • Brown W. L. Jr. 1964. Synonymy and variation of some species of the ant genus Anochetus. Journal of the Kansas Entomological Society 37: 212-215.
  • Brown W. L., Jr. 1964. Synonymy and variation of some species of the ant genus Anochetus. J. Kans. Entomol. Soc. 37: 212-215.
  • CSIRO Collection
  • 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
  • Emery C. 1887. Catalogo delle formiche esistenti nelle collezioni del Museo Civico di Genova. Parte terza. Formiche della regione Indo-Malese e dell'Australia (continuazione e fine). [concl.]. Ann. Mus. Civ. Stor. Nat. 25(5): 427-473.
  • Emery C. 1911. Hymenoptera. Fam. Formicidae. Subfam. Ponerinae. Genera Insectorum 118: 1-125.
  • Emery, C. "Catalogo delle formiche esistenti nelle collezioni del Museo Civico di Genova. Parte terza. Formiche della regione Indo-Malese e dell'Australia (continuazione e fine)." Annali del Museo Civico di Storia Naturale Giacomo Doria (Genova) (2) 5, no. 25 (1887): 427-473.
  • Forel A. 1912. Einige neue und interessante Ameisenformen aus Sumatra etc. Zool. Jahrb. Suppl. 15: 51-78.
  • Hashimoto Y., Y. Morimoto, and M. Mohamed. 2003. Species List of Ground and Leaf Litter Ants Collected in Lower Kinabatangan. Pp 13-18. In Lower Kinabatangan Scientific Expedition 2002, 176 pp. ISBN-13: 983-2369-11-8
  • Jaitrong W., and T. Ting-Nga. 2005. Ant fauna of Peninsular Botanical Garden (Khao Chong), Trang Province, Southern Thailand (Hymenoptera: Formicidae). The Thailand Natural History Museum Journal 1(2): 137-147.
  • 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
  • Satria R, B. T. Viet, and K. Eguchi. 2017. New synonymy and redescription of Anochetus mixtus Radchenko, 1993, and distinction from the other members of the Anochetus rugosus group (Hymenoptera: Formicidae: Ponerinae). Asian Myrmecology 9: e009006
  • Sukimin S., M. Mohamed, and H. Aris. 2010. Ant diversity of Maliau Basin Conservation Area, Sabah, Malaysia. Journal of Tropical Biology and Conservation 6:89-101.
  • Yamane S.; Nona, A. R. 1994. Ants from Lambir Hills National Park, Sarawak. Pp. 222-226 in: Inoue, T.; Hamid, A. A. (eds.) 1994. Plant reproductive systems and animal seasonal dynamics. Long-term study of dipterocarp forests in Sarawak. Kyoto: Center for Ecological Research, Kyoto University, vii + 255 pp. 
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