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species
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Camponotus japonicus
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Japanese Name
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Kuro-oo-ari
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Original Reference
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Mayr, G. (1866) Diagnosen neuer und wenig gekannter Formiciden. Verhandlungen der k. k. Zoologisch-Botanischen Gesellschaft in Wien 16: 885-908.
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Synonym
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Camponotus pennsylvanicus var. aterrima Emery (Emery, 1894) ,
Camponotus herculeanus saxatilis Ruzsky (Ruzsky, 1895) ,
Camponotus herculeanus japonicus Mayr (Yasumatsu & Brown, 1951) ,
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Description
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Total length of workers around 7 - 12 mm. Body color black; head subopaque, not shining. Promesonotum gently convex in profile. Posterodorsal corner of propodeum more rounded, and propodeal declivity more gently declivitous than in C. herculeanus. Hairs on 2nd gastral tergite arranged in 4 to 8 rows, each overlapping the next; the hairs 3 - 5 times as long as their interspaces. Promesonotum with a few erect hairs
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Remarks
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This species nests in the soil in openhabitats. Its nest entrances open directly, without a surrounding mound. Nuptial flights occur from May to June (Abe, 1973). Chromosome number is 2n = 26 (Imai & Kubota, 1972).
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Distribution
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Hokkaido, Honshu, Shikoku, Kyushu, Tsushima I., Yaku I., Tokara Is (Suwanose-jima I. and northwards); Mainland China, Korean Peninsula.
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References
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- Abe, T. (1973). On the behavior of the ant Camponotus japonicus at nuptial flight. Kontyu, 41, 333-341.
- Imai, H. T. & M. Kubota (1972). Karyological studies of Japanese ants (Hymenoptera, Formicidae). III. Karyotype of nine species in Ponerinae, Formicinae, and Myrmicinae. Chromosoma, 37, 193-200.
- Diagnosen neuer und wenig gekannter Formiciden. Verhandlungen der k. k. Zoologisch-Botanischen Gesellschaft in Wien 16: 885-908.
- Mission scientifique de M. Ch. Alluaud aux ”les Sˇchelles (mars, avril, mai 1892). Formicides. Annales de la Sociˇtˇ Entomologique de France 63: 67-72.
- Yasumatsu, K. & W. L. Brown, Jr. (1951). Revisional notes on Camponotus herculeanus Linne and close relatives in Palearctic Regions (Hymenoptera: Formicidae). . J. Fac. Agr. Kyushu Univ., 10, 29-44.
- Ruzsky, M. D. (1895). Faunistishe Untersuchungen in oestlichen Russland. Kazan Soc. Nat. Trans. 28: 287-294. (In Russian.)
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Editor
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Original text by Mamoru Terayama, Masaaki Morisita and Keiichi Onoyama. English translation by Mamoru Terayama, edited by Robert W. Taylor.
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