Strumigenys mutica (Brown, 1949)

Tang, Kit Lam & Guénard, Benoit, 2023, Further additions to the knowledge of Strumigenys (Formicidae: Myrmicinae) within South East Asia, with the descriptions of 20 new species, European Journal of Taxonomy 907, pp. 1-144 : 95-96

Strumigenys mutica (Brown, 1949)

Fig. 32A–F ; Table 2

Kyidris mutica Brown, 1949b: 3 , fig. 1 (w.) JAPAN. Palearctic.

Polyhomoa itoi Azuma, 1950: 36 , figs. (synonymized by Brown & Yasumatsu 1951: 94).

Kyidris nuda Brown, 1949b: 23 (synonymized by Brown 1952: 124).

Pyramica mutica – Bolton 1999: 1672.

Strumigenys mutica – Baroni Urbani & De Andrade 2007: 124.

Material examined

MAINLAND CHINA – Hainan Province • 30 workers; Bawangling, BWLP4; 19.09217° N, 109.2017° E; 3 Jul. 2016; L. Wang leg.; Winkler, 4 corners; IBBL. – Yunnan Province • 5 workers; Dali; 29 Jul.–4 Aug. 2006; S. Onoda leg.; KUM • 2 workers; Jinghong; 7–12 Aug. 2006; S. Onoda leg.; KUM.

VIETNAM – Đắk Nông Province • 1 worker; Nam Nung Reserve ; 12.2045° N, 107.75543° E; 883 m a.s.l.; 9 Jun. 2018; IBBL members leg.; Winkler; IBBL. – Đ ỗng Nai Province • 37 workers; Cat Tien National Park ; 11.43382° N, 107.42485° E; 139 m a.s.l.; 3 Jun. 2018; IBBL members leg.; Winkler, 4 corners; IBBL • 11 workers; Cat Tien National Park ; 11.4327° N, 107.25556° E; 137 m a.s.l.; 3 Jun. 2018; IBBL members leg.; Winkler, 4 corners; IBBL ANTWEB1011953 .

Geographic range

Borneo, mainland China (Guangxi, Hainan, Hong Kong, Hunan, Sichuan, Yunnan), India, Indonesia (Borneo, Java, Lesser Sunda Islands), Japan, Malaysia, Singapore, South Korea, Taiwan, Vietnam (Đắk Nông, Đồng Nai).

New record for Hainan and Vietnam.

Ecology

Collected in primary and secondary forest, at elevations from 137 to 883 m.

Comments

This species has been collected in Japan, South Korea, Taiwan and multiple provinces in southern China. Its record in Hainan ( Fig. 32A–C ) could indicate that the current disjunction in geographical range along the coastal region of mainland China is another example of undersampling. Given the new record in Vietnam ( Fig. 32D–F ), its presence in Cambodia, Laos and Thailand is also likely.

Figures

Fig. 32. New species records of Strumigenys Smith, 1860 in full-face, profile and dorsal views. A–C. Worker of S. mutica (Brown, 1949) from Hainan, mainland China (HNA-00747). D–F. Worker of S. mutica from Vietnam (NN-S45-sp02). G–I. Worker of S. nathistorisoc Tang et al., 2019 from Hainan, mainland China (HNA-01523).