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species
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Myrmica sp.6
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Japanese Name
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Tsubo-kushike-ari
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Description
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Total length of workers around 3.5 - 4 mm. Body color brown to blackish brown; gaster darker. Posterior margin of clypeus carinate in front of the antennal insertions, so that the latter are each circularly enclosed, as if in a basin. Anterior margin of clypeus almost straight in the middle. Frontal area sculptured with longitudinal rugae. Coarse longitudinal rugae present on pronotal dorsum.
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Remarks
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Easily distinguished from other Japanese Myrmica species because the posterior margin of its clypeus is carinate and the antennal scape is bent at a right-angle, with the corner rounded. Myrmica sp. 6 was referred to as M. scabrinodis in Morisita (1945), and by the Japanese name Shiga-kushike-ari in Sonobe (1976) and Myrmecological Society of Japan Editorial Committee (1988). This rather rare species nests under stones at bare sites and in grasslands. Distribution in the mountains of central Honshu is from 500 to 1500 m above sea level.
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Distribution
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Hokkaido, Honshu (the central part and northwards).
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References
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- Morisita, M. (1945b. ). Ants. . In H. Furukawa ed.Natural history of Japan 5Insect 2, 1-56. .
- Onoyama, K. (1988). Ants as prey of the Yezo brown bear Ursus arctos yesoensis, with considerations on its feeding habit. . Res. Bull. Obihiro Univ. Ser. I, 15, 313-318.
- Sonobe, R. (1976). Ants of Japan (2) Genus Myrmica and Genus Manica. . Ari, (7), 1-2. .
- Myrmecological Society of Japan, Editorial Committee (ed.) (Ed.). (1988). A list of the ants of Japan with common Japanese names. The Myrmecological Society of Japan, Tokyo.
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Editor
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Original text by Keiichi Onoyama and Rikio Sonobe. English translation by Keiichi Onoyama, edited by Robert W. Taylor. Revised by Masashi Yoshimura.
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