Crematogaster nawai

This species is abundant near sea shores and nests under stones or (rarely) inside the wood of dead trees (Japanese Ant Image Database).

Identification
Within Japan, C. nawai is distinguishable from other species because its thoracic dorsum is convex and not margined laterally and its petiole is longer than wide. Note that identifications of specimens as C. nawai in literature preceding Onoyama (1976) are likely to be erroneous (Onoyama, 1980).

Distribution based on Regional Taxon Lists
Palaearctic Region: China, Japan, Republic of Korea.

Nomenclature

 * . Crematogaster auberti var. nawai Ito, T. 1914: 41 (w.) JAPAN.
 * Type-material: syntype workers (number not stated).
 * Type-locality: Japan: Hondo I., Obata (Y. Nawa).
 * [Note: Onoyama, 1998: 230, corrects the type-data to Obata, Kumamoto-ken, Kyushu, 26.xi.1911 (Y. Nawa).]
 * Type-depository: MHNG.
 * Replacement name for Crematogaster laboriosa Smith, F. 1874: 407. [Junior primary homonym of Crematogaster laboriosus Smith, F. 1860b: 109.]
 * [Note: nawai junior synonym of laboriosa Smith, F. 1874: 407 (synonymy by Onoyama, 1998: 230); hence nawai first available replacement name.]
 * Combination in C. (Acrocoelia): Emery, 1922e: 143.
 * Subspecies of laboriosa: Santschi, 1930c: 263 (in key); Bolton, 1995b: 158.
 * Status as species: Emery, 1922e: 143; Chapman & Capco, 1951: 92; Onoyama, 1998: 230; Imai, et al. 2003: 110; Terayama, 2009: 177; Guénard & Dunn, 2012: 42.
 * Distribution: China, Japan, Taiwan.

References based on Global Ant Biodiversity Informatics

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