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species
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Acropyga nipponensis
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Japanese Name
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Itsutsuba-ari
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Original Reference
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Terayama, M. (1985b) Two new species of the genus Acropyga from Taiwan and Japan. Kontyž 53: 284-289.
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Description
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Total length of workers around 2 mm. Body color pale yellow. Head nearly square in frontal view, slightly longer than wide. Mandibles each with 5 teeth, the apical 4 triangular; the basalmost largest rectangular and apically truncated. Eyes small, each of 1 or 2 facets. Palpal formula 2:3. Antennae 11-segmented; scapes not reaching posterior margin of head. Promesonotum convex in profile; propodeal dorsum also convex. Petiolar scale thinner and higher than those of A. sauteri and A. yaeyamensis.
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Remarks
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A. nipponensis belongs to subgenus Atopodon. The nests are found in soil under stones or rotting wood in broad-leaved forests. A myrmecophilous mealy bug, Eumyrmococcus nipponensis, lives in the nests, and the ants feed on its honeydew (Terayama, 1985, 1986).
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Distribution
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Honshu (Mikura-jima I., Izu Is), Shikoku, Kyushu, Yaku I., Nansei Is.
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References
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- Terayama, M. (1985). Two new species of the genus Acropyga (Hymenoptera, Formicidae) from Taiwan and Japan. . Kontyu, 53, 284-289.
- Terayama, M. (1986). A new species of the anomalous ant-attended mealybug genus Eumyrmococcus (Homoptera, Pseudococcidae) from Japan. . Kontyu, 54, 509-512.
- Two new species of the genus Acropyga from Taiwan and Japan. Kontyž 53: 284-289.
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Editor
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Original text by Mamoru Terayama and Masao Kubota. English translation by Mamoru Terayama, edited by Robert W. Taylor.
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