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species
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Proceratium itoi
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Japanese Name
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Itou-kagibara-ari
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Original Reference
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Forel, A. (1918) Etudes myrmˇcologiques en 1917. Bulletin de la Sociˇtˇ
Vaudoise des Sciences Naturelles 51: 717-727.
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Synonym
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Sysphincta itoi Forel, 1918,
Proceratium itoi (Forel): Brown, 1958,
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Description
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Total length of workers around 3 mm. Body color yellowish brown to reddish brown. Similar to Proceratium morisitai. Anterior clypeal margin projecting in the middle. Frontal carinae wider and overhanging the antennal insertions more horizontally than in P. morisitai. Antennal scapes short, reaching about 2/3 the length of head. Posterior margination of propodeum in dorsal view usually not prominent, but in some cases there is much dorsolateral protrusion of the propodeum. Petiole in lateral view subtriangular, its anterior face gently sloping. Subpetiolar process usually small, but sometimes well-developed.
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Remarks
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P. itoi lives in the soil of glossy-leaved evergreen forests. Recent records from China (Tang, Wu & Wang) require confirmation.
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Distribution
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Honshu (the Kanto District and southwards), Shikoku, Kyushu, Nansei Is.; Mainland China (?), Korean Peninsula.
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References
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- Etudes myrmˇcologiques en 1917. Bulletin de la Sociˇtˇ
Vaudoise des Sciences Naturelles 51: 717-727.
- Brown, W. L., Jr. (1958b. ). Contribution toward a reclassification of the Formicidae II. Tribe Ectatommini. . Bull. Mus. Comp. Zool. Harvard, 118, 173-362.
- Tang, J., Li, S., Huang, E., Zhang, B. & Chen, Y. (1995). Economic Insect Fauna of China. Fasc. 47. Hymenoptera: Formicidae (1). Science Press, Beijing.
- Wu, J. & Wang, C. (1995). The Ants of China. China Forestry Publishing House, Beijing.
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Editor
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Original text by Keiichi Onoyama and Kazuo Ogata. English translation by Keiichi Onoyama, edited by Robert W. Taylor.
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