Strumigenys emmae ( Emery, 1890 )

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 : 50

Strumigenys emmae ( Emery, 1890)

Fig. 17A–C ; Table 2

Epitritus emmae Emery, 1890: 70 , pl. 8 fig. 6 (w.) ANTILLES. Neotropic.

Epitritus clypeatus Szabó, 1909: 27 , fig. 1 (synonymized by Brown, 1949a: 48).

Epitritus clypeatus var. malesiana Forel, 1913: 83 (synonymized by Brown, 1949a: 48).

Epitritus wheeleri Donisthorpe, 1916: 121 (synonymized by Brown, 1949a: 48).

Quadristruma emmae – Brown 1949: 48.

Strumigenys emmae – Bolton 1999: 1674.

Material examined

THAILAND – Bueng Kan Province • 4 workers; Site 88; 17.84684° N, 103.93899° E; 179 m a.s.l.; 20 Jun. 2018; IBBL members legs.; Winkler, 4 corners; IBBL ANTWEB1011939 • 1 queen; Site 92; 17.84931° N, 103.93221° E; 173 m a.s.l.; 20 Jun. 2018; IBBL members leg.; Winkler, 4 corners; IBBL . – Trang Province • 3 workers; Khao Chong, Site 24; 7.25533° N, 99.71729° E; 29 Dec. 2018; IBBL members leg.; Winkler, 4 corners; IBBL .

VIETNAM – Đỗng Nai Province • 1 worker; Cat Tien National Park ; 11.36605° N, 107.49292° E; 170 m a.s.l.; 7 Jun. 2018; IBBL members leg.; Winkler, 4 corners; IBBL • 1 worker; Cat Tien National Park ; 11.37042° N, 107.50924° E; 175 m a.s.l.; 7 Jun. 2018; IBBL members leg.; Winkler, 4 corners; IBBL .

Geographic range

Native: Australia.

Introduced: Oriental realm ( India; Indonesia: Borneo, Java, Sulawesi, Sumatra; Malaysia; Philippines; Sri Lanka; Singapore; Taiwan; Thailand: Beung Kan, Trang; Vietnam), Sino-Japanese realm (mainland China: Hong Kong, Macau; Japan: Daito Islands, Okinawa, Ogasawara Islands). For a full global account refer to antmaps.org ( Janicki et al. 2016; Guénard et al. 2017).

New record for Thailand.

Ecology

Collected in rubber plantations in both Thailand and Vietnam.

Comments

A widespread tramp species present in tropical and sub-tropical regions around the globe, including Malaysia and Vietnam. Its record in Thailand was expected. Its presence in Laos and Cambodia, as well as Guangdong, Guangxi and Hainan provinces of mainland China is likely.

Figures

Fig. 17. New species records of Strumigenys Smith, 1860 in full-face, profile and dorsal views. A–C. Worker ofS. emmae Emery, 1890 from Thailand (ANTWEB1011939).D–F. Worker ofS. exilirhina Bolton, 2000 from Hainan, mainland China (HNA-00471). G–I. Worker of S. feae Emery, 1895 from Hainan, mainland China (HNA-01127).