Camponotus kaguya

This species is found in grasslands and nests in the soil (Japanese Ant Image Database).

Identification
Terayama (1999) - Large and polymorphic species: total length of major workers around 9-12 mm. and minor workers 5-7 mm. Head blackish brown; mesosoma. petiole. legs and 1st and 2nd gastral tergites reddish brown; 3rd to 5th gastral tergites black. Anterior margin of clypeus relatively weakly produced; slightly convex medially. Mandible with 6 teeth. 8cape of minor workers long: 1.4-1.5 times head width. Mesosomal dorsum strongly convex, sloping from anterior portion of pronotum to posterior portion of propodeum. Posterodorsal corner of propodeum rounded, not angulate.

Distribution
Nansei Islands.

Distribution based on Regional Taxon Lists
Palaearctic Region: Japan.

Nomenclature

 * . Camponotus (Tanaemyrmex) kaguya Terayama, 1999b: 34, figs. 14-20 (s.w.) JAPAN.
 * Status as species: Imai, et al. 2003: 37; McArthur, 2012: 194.

Worker
Holotype (Major). HL 2.50 mm; HW 2.60 mm; 8L 2.35 mm; C1 104; 81 90; WL 3.50 mm; PW1.70 mm; P8L 0.35 mm; PH 1.00 mm; DPW 0.63 mm; TL 10.2 mm. Head slightly wider than long, with straight posterior margin in full face view. Clypeus relatively weakly produced medially, with weakly convex anterior margin. Mandible strong, with 6 teeth. Eye 0.55 mm long. Antennal scape 0.9 times head width; 2nd antennal segment 2.9 times as long as wide; 3rd segment 1.8 times as long as wide. Mesosomal dorsum strongly convex, sloping from anterior portion of pronotum to posterior portion of propodeum. Posterodorsal corner of propodeum rounded, not angulate. Petiole relatively thin and high; upper half of scale reversed V-shaped in profile; dorsal margin in forntal view strongly convex. Dorsa of head and mesosoma with abundant long erect hairs; the same hairs also present on gaster. Head blackish brown; mesosoma, petiole, legs and 1st and 2nd gastral tergites reddish brown; 3rd to 5th gastral tergites black; antennal scape blackish brown; funiculus dark brown.

Minor. HL 1.35 mm; HW 1.10 mm; 8L 1.60 mm; C1 81; 81 145; WL 2.00 mm; PW 0.95 mm; P8L 0.25 mm; PH 0.60 mm; DPW 0.35 mm; TL 5.5 mm (A para type from the same nest as holotype measured). Head longer than wide, with subparallel sides and gently convex posterior margin in full face view. Clypeus produced medially, with even convex anterior margin. Mandible with 6 acute teeth. Antenna long; scape 1.5 times head length; 2nd segment 2.8 times as long as wide; 3rd segment 2.0 times as long as wide. Eye about 0.40 mm long. Dorsal outline of mesosoma strongly convex in profile, arching from anterior end of pronotum to posterior end of propodeum; posterodorsal corner of propodeum rounded, not angulate. Petiole relatively thick, anterior and posterior margins of scale weakly convex, scale in frontal view tapered to acutely angulate apex. Erect or suberect hairs present on dorsa of head and gaster; mesosomal dorsum with more than 15 hairs; 2 pairs of erect hairs present on petiolar scale. Head blackish brown; antenna, clypeus and mandible brown; mesosoma and petiole reddish brown; 1st and 2nd gastral segments reddish brown and the rest blackish brown; coxae and trochanters reddish brown; femora, tibiae, and tarsi brown.

Type Material
Holotype. Major worker, Sashiki-son, Okinawa-jima, Okinawa Pref., 27. XII. 1989, M. Terayaa leg. Paratypes. 10 workers, same data as holotype; 1 worker, Itokina, Amami-oshima, Kagoshima Pref., 28. VII. 1963, Y. Kurosawa leg.; 1 worker, Akuseki-jima, Tokara Is., Kagoshima Pref., 4. VII. 1984, K. Tomiyama leg.

References based on Global Ant Biodiversity Informatics

 * Fukumoto S. and Sk. Yamane. 2015. Records of ants from Uke–jima, Amami Islands, Japan (Hymenoptera,  Formicidae). Nature of Kagoshima 41: 195–197.
 * Harada Y., M. Enomoto, K. Nishimuta, and H. Mizumata. 2015. Ants of the Amami Islands, central Ryukyus, Japan. Nature of Kagoshima 41: 199–208.
 * Kanai K., T. Moriyama, and K. Nakamura. 2013. The recorded insects on Akuseki-jima (Tokara Islands) in October of 2011. Bulletin of the Kagoshima Prefectural Museum 32: 17-22.
 * Terayama M., S. Kubota, and K. Eguchi. 2014. Encyclopedia of Japanese ants. Asakura Shoten: Tokyo, 278 pp.
 * Terayama, M. 1999. The ant genus Camponotus Mayr (Hymenoptera: Formicidae) in Japan. Memoirs of the Myrmecological Society of Japan 1:25-48.
 * Yamane S. 2016. How many species of Ants in Amami Islands? (in Japanese). Part 2, chapter 1 in How many species of Ants in Amami Islands? Pp. 92-132.
 * Yamane S. S. Fukumoto, Y. Maeda, and Y. Sato. 2017. Records of ants from Kakeroma-jima, the Amami Islands, Japan. Bull. Biogeogr. Soc. Japan 71, 131-137.
 * 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.