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species
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Lasius capitatus
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Japanese Name
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Fushiboso-kusa-ari
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Original Reference
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Kuznetsov-Ugamsky, N. N. (1927) Materialy po mirmekologii Turkestana. 3. Russkoe Entomologicheskoe Obozrenie 21: 186-196.
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Synonym
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Acanthomyops fuliginosus capitatus Kuznetsov-Ugamsky (Kuznetsov-Ugamsky, 1927),
Lasius (Dendrolasius) fuliginosus capitatus (Kuznetsov-Ugamsky) (Wilson, 1955),
Lasius (Dendrolasius) crispus Wilson (Wilson, 1955)
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Description
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Total length of workers around 4 - 4.5 mm. Color jet black. Petiole with an inverted V-shaped profile; in frontal view scale is broadest at about its midlength and tapers towards its dorsal margin, which is acutely convex, without a median notch. In females, scapes and mesonotal dorsum with abundant erect hairs; petiole thin and high, with an acute dorsal angle in profile.
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Remarks
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In one case a female of L. capitatus has been found in a nest of L. productus (Sonobe, 1984), suggesting that this species is perhaps a temporary social parasite of productus. The nuptial flights take place in Gifu Prefecture during September (Yamauchi et al., 1986). Lasius crispus Wilson, 1955, was synonymized with this species by Kupianskaya (1989).
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Distribution
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Hokkaido, Honshu, Shikoku; Far East Russia, Korean Peninsula, Taiwan.
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References
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- Kuznetsov-Ugamsky, N. N. (1927). Materialy po mirmekologii Turkestana. 3. Russkoe Entomologicheskoe Obozrenie 21: 186-196.
- Wilson, E. O. (1955). A monographic revision of the ant genus Lasius. . Bull. Mus. Comp. Zool. Harv., 113, 1-201.
- Sonobe, R. (1984). Ants living in forest. . Insect (Kontyu-Aiko-Kai, Tochigi-ken), 35, 1-7. .
- Yamauchi, K., K. Ito & N. Suzuki (1986). Observations on the nuptial flights of the ant genus Lasius. . Sci. Rep. Fac. Educ.Gifu Univ. (Nat. Sci.), 10, 1-11.
- Kupianskaya, A. N. (1989). Ants of the subgenus Dendrolasius Ruzsky, 1912 (Hymenoptera, Formicidae, genus Lasius Fabricius, 1804) of the Far East of the USSR. Ent. Obozr. 68: 779-789. (In Russian with English summary.)
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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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