AntWiki: The Ants --- Online
Identification
A member of the Crematogaster ranavalonae-group.
Distribution
Latitudinal Distribution Pattern
Latitudinal Range: -12.26278° to -25.59444°.
Malagasy Region: Madagascar (type locality), Mayotte.
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.
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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
Queen
Male
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.
- [Justified emendation of spelling to ranavalonae: Forel, 1891b: 184.]
- Type-material: lectotype worker (by designation of Blaimer, 2012a: 249, ‘Results S1: Species accounts’: 4); paralectotype workers (number not stated).
- Type-locality: lectotype Madagascar: nr Tamatave, Bois de l’Ivondro (C. Keller); paralectotypes with same data.
- Type-depository: MHNG.
- 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 (J. 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: Forêt d’Andrangoloaka (F. 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, 1892l: 254 (w.) MADAGASCAR.
- Type-material: holotype worker.
- Type-locality: Madagascar: vic. ville d’Anosibé (Prov. des Bezanozano), à trois journées à l’est-sud-est d’Antananarivo (F. Sikora).
- 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 (F. 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 (F. Sikora).
- Type-depository: unknown (not in MHNG, apparently lost (Blaimer, 2012a: 249, ‘Results S1: Species accounts’: 4)).
- 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))
- 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
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