Pheidole jacobsoni

AntWiki: The Ants --- Online
Pheidole jacobsoni
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. jacobsoni
Binomial name
Pheidole jacobsoni
Forel, 1911

Pheidole jacobsoni casent0284075 p 1 high.jpg

Pheidole jacobsoni casent0284075 d 1 high.jpg

Specimen Labels

Synonyms

Identification


Eguchi 2001a-Figure32.jpg

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

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

Pheidole-jacobsoniHM6.3x.jpgPheidole-jacobsoniLM4x.jpgPheidole-jacobsoniDM4x.jpg
. Owned by Museum of Comparative Zoology.

Images from AntWeb

Pheidole jacobsoni casent0907909 h 1 high.jpgPheidole jacobsoni casent0907909 d 1 high.jpgPheidole jacobsoni casent0907909 p 1 high.jpgPheidole jacobsoni casent0907909 l 1 high.jpg
Lectotype of Pheidole jacobsoniWorker (major/soldier). Specimen code casent0907909. Photographer Will Ericson, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Pheidole jacobsoni casent0907910 d 1 high.jpgPheidole jacobsoni casent0907910 p 1 high.jpgPheidole jacobsoni casent0907910 h 1 high.jpgPheidole jacobsoni casent0907910 l 1 high.jpg
Paralectotype of Pheidole jacobsoniWorker. Specimen code casent0907910. Photographer Will Ericson, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Pheidole jacobsoni casent0907911 h 1 high.jpgPheidole jacobsoni casent0907911 p 1 high.jpgPheidole jacobsoni casent0907911 d 1 high.jpgPheidole jacobsoni casent0907911 l 1 high.jpg
Type of unavailable quadrinomial: Pheidole javana jacobsoni taipingensisWorker (major/soldier). Specimen code casent0907911. Photographer Will Ericson, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Pheidole jacobsoni casent0907912 h 1 high.jpgPheidole jacobsoni casent0907912 p 1 high.jpgPheidole jacobsoni casent0907912 d 1 high.jpgPheidole jacobsoni casent0907912 l 1 high.jpg
Type of unavailable quadrinomial: Pheidole javana jacobsoni taipingensisWorker. Specimen code casent0907912. Photographer Will Ericson, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Pheidole jacobsoni casent0284075 h 2 high.jpg
Not ProvidedWorker. Specimen code casent0284075. Photographer Adam Lazarus, uploaded by California Academy of Sciences. Owned by EPEC.

Nomenclature

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

  • jacobsoni. Pheidole javana subsp. jacobsoni Forel, 1911b: 203 (s.w.q.m.) INDONESIA (Java). Subspecies of fervens: Bolton, 1995b: 323. Raised to species, senior synonym of orophila and material of the unavailable name taipingensis referred here: Eguchi, 2004: 200.
  • orophila. Pheidole orophila Eguchi, 2001b: 85, figs. 32, 62 (s.w.) WEST MALAYSIA. Junior synonym of jacobsoni: Eguchi, 2004: 200.

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

Description

Type Material

Pheidole orophila (Eguchi 2001) - Holotype Major, colony: Eg00-WM-001, Cameron Highlands (ca. 1500 malt.), W. Malaysia (Southern Malay Peninsula), K. Eguchi leg., 2000, deposited in Forest Research Institute Malaysia, Kepong. Paratypes 14 majors and 15 minors from the same colony to which the holotype belongs, deposited in The Natural History Museum, FRIM, Museum Brunei, Museo Civico di Storia Naturale, Genoa, Museum of Comparative Zoology, Musee d'Histoire Naturelle Genève, Museo Civico di Storia Naturale, Milano, Naturhistorisches Museum Wien, Vienna and Universiti Malaysia Sabah.

References

  • Eguchi, K. 2004. Taxonomic revision of two wide-ranging Asian ants, Pheidole fervens and P. indica (Insecta: Hymenoptera, Formicidae), and related species. Ann. Naturhist. Mus. Wien B. Bot. Zool. 105(B): 189-209 (page 200, figs. 4a-h, 7f; Tab.1, major, minor worker described; raised to species; senior synonym of orphila)

References based on Global Ant Biodiversity Informatics