Crematogaster ranavalonae

AntWiki: The Ants --- Online
Crematogaster ranavalonae
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Crematogaster
Species: C. ranavalonae
Binomial name
Crematogaster ranavalonae
Forel, 1887

Crematogaster ranavalonae casent0101762 profile 1.jpg

Crematogaster ranavalonae casent0101762 dorsal 1.jpg

Specimen labels

Synonyms

Identification

A member of the Crematogaster ranavalonae-group.

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: -12.26278° to -25.59444°.

   
North
Temperate
North
Subtropical
Tropical South
Subtropical
South
Temperate

Distribution based on Regional Taxon Lists

Malagasy Region: Madagascar (type locality), Mayotte.

Distribution based on AntMaps

AntMapLegend.png

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

More images beyond those shown in these galleries are found here.

Worker

Images from AntWeb

Crematogaster ranavalonae casent0101840 head 1.jpgCrematogaster ranavalonae casent0101840 profile 1.jpgCrematogaster ranavalonae casent0101840 dorsal 1.jpgCrematogaster ranavalonae casent0101840 label 1.jpg
Worker. Specimen code casent0101840. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Crematogaster descarpentriesi casent0101165 head 1.jpgCrematogaster descarpentriesi casent0101165 profile 1.jpgCrematogaster descarpentriesi casent0101165 dorsal 1.jpgCrematogaster descarpentriesi casent0101165 label 1.jpg
Worker. Specimen code casent0101165. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by NHMB, Basel, Switzerland.
Crematogaster emmae casent0101639 head 1.jpgCrematogaster emmae casent0101639 profile 1.jpgCrematogaster emmae casent0101639 dorsal 1.jpgCrematogaster emmae casent0101639 label 1.jpg
Worker. Specimen code casent0101639. Photographer Nick Olgeirson, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Crematogaster ranavalonae paulinae casent0101847 head 1.jpgCrematogaster ranavalonae paulinae casent0101847 profile 1.jpgCrematogaster ranavalonae paulinae casent0101847 dorsal 1.jpgCrematogaster ranavalonae paulinae casent0101847 label 1.jpg
Not part of type series of Crematogaster ranavalonae paulinaeWorker. Specimen code casent0101847. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.

Queen

Images from AntWeb

Crematogaster emmae casent0101664 head 1.jpgCrematogaster emmae casent0101664 profile 1.jpgCrematogaster emmae casent0101664 dorsal 1.jpgCrematogaster emmae casent0101664 label 1.jpg
Holotype of Crematogaster emmaeQueen (alate/dealate). Specimen code casent0101664. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Crematogaster emmae laticeps casent0101754 head 1.jpgCrematogaster emmae laticeps casent0101754 profile 1.jpgCrematogaster emmae laticeps casent0101754 dorsal 1.jpgCrematogaster emmae laticeps casent0101754 label 1.jpg
Queen (alate/dealate). Specimen code casent0101754. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Crematogaster ranavalonae pepo casent0101734 head 1.jpgCrematogaster ranavalonae pepo casent0101734 profile 1.jpgCrematogaster ranavalonae pepo casent0101734 dorsal 1.jpgCrematogaster ranavalonae pepo casent0101734 label 1.jpg
Queen (alate/dealate). Specimen code casent0101734. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Crematogaster ranavalonae casent0101902 head 1.jpgCrematogaster ranavalonae casent0101902 profile 1.jpgCrematogaster ranavalonae casent0101902 profile 2.jpgCrematogaster ranavalonae casent0101902 dorsal 1.jpgCrematogaster ranavalonae casent0101902 label 1.jpg
Queen (alate/dealate). Specimen code casent0101902. Photographer Nick Olgeirson, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.

Male

Images from AntWeb

Crematogaster ranavalonae pepo casent0101939 head 1.jpgCrematogaster ranavalonae pepo casent0101939 profile 1.jpgCrematogaster ranavalonae pepo casent0101939 dorsal 1.jpgCrematogaster ranavalonae pepo casent0101939 label 1.jpg
Male (alate). Specimen code casent0101939. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Crematogaster ranavalonae casent0101909 head 1.jpgCrematogaster ranavalonae casent0101909 profile 1.jpgCrematogaster ranavalonae casent0101909 profile 2.jpgCrematogaster ranavalonae casent0101909 dorsal 1.jpgCrematogaster ranavalonae casent0101909 label 1.jpg
Male (alate). Specimen code casent0101909. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Crematogaster ranavalonae paulinae casent0101753 head 1.jpgCrematogaster ranavalonae paulinae casent0101753 profile 1.jpgCrematogaster ranavalonae paulinae casent0101753 profile 2.jpgCrematogaster ranavalonae paulinae casent0101753 dorsal 1.jpgCrematogaster ranavalonae paulinae casent0101753 label 1.jpg
Male (alate). Specimen code casent0101753. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.
Crematogaster emmae laticeps casent0101764 head 1.jpgCrematogaster emmae laticeps casent0101764 profile 1.jpgCrematogaster emmae laticeps casent0101764 profile 2.jpgCrematogaster emmae laticeps casent0101764 dorsal 1.jpgCrematogaster emmae laticeps casent0101764 label 1.jpg
Male (alate). Specimen code casent0101764. Photographer Michele Esposito, uploaded by California Academy of Sciences. Owned by MHNG, Geneva, Switzerland.

Nomenclature

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

  • ranavalonae. Crematogaster ranavalonis Forel, 1887: 388 (w.) MADAGASCAR.
    • Type-material: lectotype worker (by designation of Blaimer, 2012a: 249, ‘Results S1: Species accounts’: 4); paralectotype workers (number not stated).
    • Type-locality: lectotype Madagascar: Bois de l’Ivondro, nr Tamatave (C. Keller); paralectotypes with same data.
    • Type-depository: MHNG.
    • [Justified emendation of spelling to ranavalonae: Forel, 1891b: 184.]
    • Forel, 1891b: 185 (m.); Emery, 1897a: 13 (q.).
    • Combination in C. (Oxygyne): Forel, 1901e: 375.
    • Status as species: Forel, 1891b: 184 (redescription); Forel, 1892k: 532 (in key); Dalla Torre, 1893: 84; Emery, 1899f: 286; Forel, 1907g: 81; Emery, 1922e: 156; Wheeler, W.M. 1922a: 1025; Kutter, 1968b: 203; Bolton, 1995b: 161; Blaimer, 2012a: 249; ‘Results S1: Species accounts’: 4 (redescription).
    • Senior synonym of descarpentriesi: Blaimer, 2012a: 249; ‘Results S1: Species accounts’: 4.
    • Senior synonym of emmae: Blaimer, 2012a: 249; ‘Results S1: Species accounts’: 4.
    • Senior synonym of inops: Blaimer, 2012a: 249; ‘Results S1: Species accounts’: 4.
    • Senior synonym of laticeps: Blaimer, 2012a: 249; ‘Results S1: Species accounts’: 4.
    • Senior synonym of paulinae: Blaimer, 2012a: 249; ‘Results S1: Species accounts’: 4.
    • Senior synonym of pepo: Blaimer, 2012a: 249; ‘Results S1: Species accounts’: 4.
    • Distribution: Madagascar.
  • descarpentriesi. Crematogaster (Oxygyne) descarpentriesi Santschi, 1928d: 68 (w.) MADAGASCAR.
    • Type-material: 20 syntype workers.
    • Type-locality: Madagascar: Fianarantsoa (Descarpentries).
    • Type-depository: NHMB.
    • Status as species: Bolton, 1995b: 151.
    • Junior synonym of ranavalonae: Blaimer, 2012a: 249.
  • emmae. Crematogaster emmae Forel, 1891b: 227, pl. 6, fig. 11 (q.) MADAGASCAR.
    • Type-material: holotype queen.
    • Type-locality: Madagascar: Andrangoloaka forest (Sikora).
    • Type-depository: MHNG.
    • Santschi, 1928d: 69 (w.).
    • Combination in C. (Oxygyne): Forel, 1901e: 375.
    • Status as species: Forel, 1892k: 529 (in key); Dalla Torre, 1893: 81; Emery, 1899f: 286; Forel, 1907g: 81; Emery, 1922e: 156; Wheeler, W.M. 1922a: 1024; Santschi, 1928d: 69; Bolton, 1995b: 152.
    • Junior synonym of ranavalonae: Blaimer, 2012a: 249.
  • inops. Crematogaster inops Forel, 1892k: 533 (diagnosis in key) (w.) MADAGASCAR.
    • Type-material: holotype worker.
    • Type-locality: Madagascar: (no further data) (Sikora).
    • [Note: Blaimer, 2012a, ‘Results S1: Species accounts’: 5, provides the data: “environs de la ville d’Anosibé (province de Bezanozano)”.]
    • Type-depository: MHNG.
    • Combination in C. (Oxygyne): Wheeler, W.M. 1922a: 1024.
    • Status as species: Forel, 1892l: 254; Dalla Torre, 1893: 82; Emery, 1922e: 156; Wheeler, W.M. 1922a: 1024; Bolton, 1995b: 155.
    • Junior synonym of ranavalonae: Blaimer, 2012a: 249.
    • [Note: seniority of dates of publication for Forel, 1892k and Forel, 1892l are equivocal. 1892k is after 3.xii.1892 (its séance date), while 1893l is (31.xii).1893.]
  • laticeps. Crematogaster emmae var. laticeps Forel, 1892k: 529 (q.), 534 (w.), 535 (m.) (diagnoses in keys) MADAGASCAR.
    • Type-material: syntype workers, syntype queens, syntype males (numbers not stated).
    • Type-locality: Madagascar: Forêt d’Andrangoloaka (Sikora).
    • Type-depository: MHNG.
    • Combination in C. (Oxygyne): Emery, 1922e: 156.
    • Subspecies of emmae: Wheeler, W.M. 1922a: 1024; Emery, 1922e: 156; Bolton, 1995b: 156.
    • Junior synonym of ranavalonae: Blaimer, 2012a: 249.
  • paulinae. Crematogaster paulinae Forel, 1892k: 530 (q.) (diagnosis in key) MADAGASCAR.
    • Type-material: syntype queens (number not stated).
    • Type-locality: Madagascar: Andrangoloaka (Sikora).
    • Type-depository: MHNG (apparently lost).
    • [Note: Blaimer, 2012a: 249, ‘Results S1: Species accounts’: 4, says the specimens could not be located in MHNG.]
    • Forel, 1903c: 254 (w.).
    • Combination in C. (Oxygyne): Wheeler, W.M. 1922a: 1025.
    • Subspecies of ranavalonae: Emery, 1897a: 14; Forel, 1903c: 254; Wheeler, W.M. 1922a: 1025; Emery, 1922e: 156; Bolton, 1995b: 159.
    • Junior synonym of ranavalonae: Blaimer, 2012a: 249.
  • pepo. Crematogaster (Oxygyne) ranavalonae var. pepo Forel, 1922: 96 (w.q.m.) MADAGASCAR.
    • Type-material: syntype workers, syntype queens, syntype males (numbers not stated).
    • Type-locality: Madagascar: St Marie (= St Marie I.) (no collector’s name).
    • Type-depository: MHNG.
    • Subspecies of ranavalonae: Bolton, 1995b: 159.
    • Junior synonym of ranavalonae: Blaimer, 2012a: 249.

Description

References

  • Blaimer, B.B. 2012. Untangling complex morphological variation: taxonomic revision of the subgenus Crematogaster (Oxygyne) in Madagascar, with insight into the evolution and biogeography of this enigmatic ant clade (Hymenoptera: Formicidae). Systematic Entomology 37:240-260.
  • Blaimer, B.B., Fisher, B.L. 2013. Taxonomy of the Crematogaster degeeri-species-assemblage in the Malagasy region (Hymenoptera: Formicidae). European Journal of Taxonomy 51: 1-64 (doi:10.5852/ejt.2013.51).
  • Emery, C. 1897b. Descriptions de deux fourmis (Hymén.). Bull. Soc. Entomol. Fr. 1897: 12-14 (page 13, queen described)
  • Forel, A. 1887. Fourmis récoltées à Madagascar par le Dr. Conrad Keller. Mitt. Schweiz. Entomol. Ges. 7: 381-389 (page 388, worker described)
  • Forel, A. 1891c. Les Formicides. [part]. In: Grandidier, A. Histoire physique, naturelle, et politique de Madagascar. Volume XX. Histoire naturelle des Hyménoptères. Deuxième partie (28e fascicule). Paris: Hachette et Cie, v + 237 pp. (page 184, Justified emendation of spelling to ranavalonae)
  • Forel, A. 1891c. Les Formicides. [part]. In: Grandidier, A. Histoire physique, naturelle, et politique de Madagascar. Volume XX. Histoire naturelle des Hyménoptères. Deuxième partie (28e fascicule). Paris: Hachette et Cie, v + 237 pp. (page 185, male described)
  • Forel, A. 1901j. Variétés myrmécologiques. Ann. Soc. Entomol. Belg. 45: 334-382 (page 375, Combination in C. (Oxygyne))

References based on Global Ant Biodiversity Informatics

  • Blaimer B. B. 2012. Untangling complex morphological variation: taxonomic revision of the subgenus Crematogaster (Oxygyne) in Madagascar, with insight into the evolution and biogeography of this enigmatic ant clade (Hymenoptera: Formicidae). Systematic Entomology 37: 240-260
  • Blaimer B. B., B. L. Fisher. 2013. How much variation can one ant species hold? Species delimitation in the Crematogaster kelleri-group in Madagascar. PLoS ONE 8(7): e68082. doi:10.1371/journal.pone.0068082
  • Blaimer, B.. "Untangling complex morphological variation: taxonomic revision of the subgenus Crematogaster (Oxygyne) in Madagascar, with insight into the evolution and biogeography of this enigmatic ant clade (Hymenoptera: Formicidae)." Systematic Entomology 37 (2012): 240-260.
  • Fisher B. L. 1997. Biogeography and ecology of the ant fauna of Madagascar (Hymenoptera: Formicidae). Journal of Natural History 31: 269-302.
  • Fisher B. L. 2003. Formicidae, ants. Pp. 811-819 in: Goodman, S. M.; Benstead, J. P. (eds.) 2003. The natural history of Madagascar. Chicago: University of Chicago Press, xxi + 1709 pp.
  • Forel A. 1887. Fourmis récoltées à Madagascar par le Dr. Conrad Keller. Mitteilungen der Schweizerischen Entomologischen Gesellschaft 7: 381-389.
  • Forel A. 1897. Ameisen aus Nossi-Bé, Majunga, Juan de Nova (Madagaskar), den Aldabra-Inseln und Sansibar, gesammelt von Herrn Dr. A. Voeltzkow aus Berlin. Mit einem Anhang über die von Herrn Privatdocenten Dr. A. Brauer in Marburg auf den Seychellen und von Herrn Perrot auf Ste. Marie (Madagaskar) gesammelten Ameisen. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 21: 185-208.
  • Forel A. 1907. Ameisen von Madagaskar, den Comoren und Ostafrika. Wissenschaftliche Ergebnisse. Reise in Ostafrika 2: 75-92.
  • Forel A. 1922. Glanures myrmécologiques en 1922. Revue Suisse de Zoologie. 30: 87-102.
  • Santschi F. 1928. Descriptions de nouvelles fourmis éthiopiennes (quatrième note). Revue de Zoologie et de Botanique Africaines. 16: 54-69.
  • Soulié J., and L. D. Dicko. 1965. La répartition des genres de fourmis de la tribu des "Cremastogastrini" dans la faune éthiopienne et malgache. Hymenoptera - Formicoidea - Myrmicidae. Ann. Univ. Abidjan Sér. Sci. 1: 85-106.
  • Wheeler W. M. 1922. Ants of the American Museum Congo expedition. A contribution to the myrmecology of Africa. IX. A synonymic list of the ants of the Malagasy region. Bulletin of the American Museum of Natural History 45: 1005-1055