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species
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Lasius nipponensis
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Japanese Name
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Kuro-kusa-ari
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Original Reference
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Forel, A. (1912) Quelques fourmis de Tokio. Ann. Soc. Ent. Belg., 56: 339-342.
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Synonym
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Lasius fuliginosus (Latreille) (sensu Matsumura, 1898) ,
Lasius fuliginosus var. nipponensis Forel (Forel, 1912) ,
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Description
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Total length of workers around 4 - 5 mm. Color jet black. Petiole with an inverted U-shaped profile; the dorsal margin with a median notch in frontal view. In females, scapes lacking erect hairs but covered with decumbent hairs; petiole with an inverted U-shaped profile.
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Remarks
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This species is a temporary social parasite of species classified in Lasius subgenus Chthonolasius. In the Kanto district it frequently attends aphids on trees (Kubota, 1988). Nuptial flights occur during June and July.
L. nipponensis was first recorded from Japan by Matsumura (1898). Thereafter, Japanese myrmecologists have consistently used the name L. fuliginosus for this relatively common ant. However, recent morphological and biochemical comparisons between European and East Asian populations imply that they represent separate species (Espadaler et al., 2001).
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Distribution
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Hokkaido, Honshu, Shikoku, Kyushu; Korean Peninsula, Far East Russia.
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References
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- Essai sur l'Histoire des Fourmis de la France: 50 pp. Brive.
- Die EuropŠischen Formiciden. (Ameisen.): 80 pp. Wien.
- Quelques fourmis de Tokio. Annales de la SociŽtŽ Entomologique de Belgique 56: 339-342.
- Kubota, S. (1988). The foraging activity of the ant of Dendrolasius: About securing of the food resources. . Abstr. of 48th Annual Meeting Ent. Soc.Japan, 43.
- Espadaler et al., 2001:
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Editor
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Original text by Mamoru Terayama and Katsusuke Yamauchi. English translation by Mamoru Terayama, edited by Robert W. Taylor.
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