Camponotus yamaokai

Camponotus yamaokai
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Formicinae
Tribe:	Camponotini
Genus:	Camponotus
Species:	C. yamaokai
Binomial name
	Camponotus yamaokai; Terayama & Satoh, 1990 Specimen labels

Common Name

Yama-yotsuboshi-oo-ari
Language:	Japanese

This species is arboreal and nests in dead twigs on trees. New queens over-winter in nests and decamp during May (Satoh, 1989; Japanese Ant Image Database). Idogawa and Dobata (2018) found colonies nesting in bamboo cavities in Kyoto Prefecture, Japan in a thicket dominated by deciduous broad-leaved trees.

At a Glance

• Polygynous

Identification

This species resembles Camponotus nawai, but is distinguished by its much more prominent eyes and smaller relative head size in minor and major workers. Also, in minor workers, the petiolar scale is thinner in lateral view than in C. nawai; while in major workers it is thinner and wider in dorsal view than in C. nawai.

Keys including this Species

Key to Camponotus of Japan

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: 31.96666667° to 29.54°.


North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

Source: AntMaps

Distribution based on Regional Taxon Lists

Palaearctic Region: Japan (type locality).

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.

Biology

Flight Period

				X
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec

Notes: Japan.

Check details at Worldwide Ant Nuptial Flights Data, AntNupTracker and AntKeeping.
Explore: Show all Flight Month data or Search these data. See also a list of all data tables or learn how data is managed.

Life History Traits

Queen number: monogynous (Japanese Ant Image Database)

Castes


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Nomenclature

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

yamaokai. Camponotus (Myrmamblys) yamaokai Terayama & Satoh, 1990a: 406, figs. 1-13, 15, 17, 19, 21, 22 (s.w.q.m.) JAPAN.
- Type-material: holotype minor worker, 33 paratype major workers, 170 paratype minor workers, 7 paratype queens, 3 paratype males.
- Type-locality: holotype Japan: Ibaraki Pref., Tsukuba-shi, Mt Tsukuba-san, 13.x.1986 (T. Satoh); paratypes: 33 major workers, 170 minor workers, 7 queens, 3 males with same data.
- [Note: Terayama & Satoh, 1990a: 409-410, also list an enormous number of additional paratype collections, amounting to >1000 each of major and minor workers, and several hundreds each of queens and males.]
- Type-depositories: NIAS (holotype); NHMB, NIAS, NSMT, OMNH (paratypes).
- Status as species: Morisita, et al. 1991: 43; Bolton, 1995b: 130; Radchenko, 1997d: 813; Terayama, 1999b: 30 (in key); Imai, et al. 2003: 36; McArthur, 2012: 130.
- Distribution: Japan.

Description

References

Baty, J.W., Bulgarella, M., Dobelmann, J., Felden, A., Lester, P.J. 2020. Viruses and their effects in ants (Hymenoptera: Formicidae). Myrmecological News 30: 213-228 (doi:10.25849/MYRMECOL.NEWS_030:213).
Hisasue, Y. 2020. A checklist of the ants of Mt. Hiko-san (Kyushu, Japan). Korasana 93: 31-38.
Idogawa, N., Dobata, S. 2018. Colony structure and life history of Lioponera daikoku (Formicidae: Dorylinae). Asian Myrmecology 10:e00100006 (doi:10.20362/am.010006).
Imai, H.T., Kihara, A., Kondoh, M., Kubota, M., Kuribayashi, S., Ogata, K., Onoyama, K., Taylor, R.W., Terayama, M., Yoshimura, M., Ugawa, Y. 2003. Ants of Japan. 224 pp, Gakken, Japan.
Meurville, M.-P., LeBoeuf, A.C. 2021. Trophallaxis: the functions and evolution of social fluid exchange in ant colonies (Hymenoptera: Formicidae). Myrmecological News 31: 1-30 (doi:10.25849/MYRMECOL.NEWS_031:001).
Satoh, T., Hirota, T. 2005. Factors affecting internest variation in the aggressiveness of a polygynous ant, Camponotus yamaokai. Entomological Science 8, 277–281.
Terayama, M.; Satoh, T. 1990a. A new species of the genus Camponotus from Japan, with notes on two known forms of the subgenus Myrmamblys (Hymenoptera, Formicidae). Jpn. J. Entomol. 58: 405-414 (page 406, figs. 1-13, 15, 17, 19, 21, 22 soldier, worker, queen, male described)

References based on Global Ant Biodiversity Informatics

Harada Y., K. Nishikubo, K. Matsumoto, M. Matsuda, Y. Inazawa, Y. Ozono, S. Koto, N. Kawaguchi, and S. Yamane. 2011. Ant fauna of Japanese beech (Fagus crenata) forests in southwestern Japan. Bull. Biogeogr. Soc. Japan 66: 115-127.
Harada Y., Y. Matsumoto, S. Maeda, A. Oyama, and S. Yamane. 2009. Comparison of ant fauna among different habitats of Yaku-shima Island, southern Japan. Bull. Biogeogr. Soc. Japan 64: 125-134.
Hosoichi S., M. Yoshimura, Y. Kuboki, and K. Ogata. 2007. Ants from Yakushima Island, Kagoshima Prefecture. Ari 30: 47-54.
Hosoishi S., M. Yoshimura, Y. Kuboki, and K. Ogata. 2007. Ants from Yakushima Island , Kagoshima Prefecture. Ari 30: 47-54.
Ikeshita Y., A. Gotoh, K. Yamamoto, N. Taniguchi, and F. Ito. 2007. Ants collected in Mt. Linoyama, Marugame, Kagawa Prefecture (Hymenoptera, Formicidae). Kagawa Seibutsu 34: 59-62.
Katayama M., T. Hosoya, and W. Toki. 2013: First survey of ground-dwelling ants (Hymenoptera: Formicidae) on the uninhabitedGaja-jima Island, theRyukyu archipelago, Japan.Entomol. Fennica 24: 216222.
Maeto K. and S. Sato. 2004. Impacts of forestry on ant species richness and composition in warm-temperate forests of Japan. Forest Ecology and Management 187: 213223.
Natuhara Y. 1998. Ant faunae in Osaka City and three other sites in Osake Prefecture. Bulletin of Myrmecological Society of Japan 22: 1-5.
Negoro H. 1994. Ants from Toyama Prefecture, Hokuriku. Bulletin of the Toyama Science Museum 17: 35-47.
Sato T., N. Tsurusaki, K. Hamaguchi, and K. Kinomura. 2010. Ant fauna of Tottori prefecture, Honshu, Japan. Bulletin of the Tottori Prefectural Museum 47: 27-44.
Terayama M. 1992. Structure of ant communities in East Asia. A. Regional differences and species richness. Bulletin of the Bio-geographical Society of Japan 47: 1-31.
Terayama M., K. Ogata, and B.M. Choi. 1994. Distribution records of ants in 47 prefectures of Japan. Ari (report of the Myrmecologists Society of Japan) 18: 5-17.
Terayama M., S. Kubota, and K. Eguchi. 2014. Encyclopedia of Japanese ants. Asakura Shoten: Tokyo, 278 pp.
Terayama M., and T. Satoh. 1990. A new species of the genus Camponotus from Japan, with notes on two known forms of the subgenus Myrmamblys (Hymenoptera, Formicidae). Japanese Journal of Entomology 58: 405-414.
Yamane S., S. Ikudome, and M. Terayama. 1999. Identification guide to the Aculeata of the Nansei Islands, Japan. Sapporo: Hokkaido University Press, xii + 831 pp. pp, 138-317.
Yamane S.; Ikudome, S.; Terayama, M. 1999. Identification guide to the Aculeata of the Nansei Islands, Japan. Sapporo: Hokkaido University Press, xii + 831 pp. pp138-317.