Gauromyrmex acanthinus

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Gauromyrmex acanthinus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Gauromyrmex
Species: G. acanthinus
Binomial name
Gauromyrmex acanthinus
(Karavaiev, 1935)

Gauromyrmex acanthinus casent0172781 profile 1.jpg

Gauromyrmex acanthinus casent0172781 dorsal 1.jpg

Specimen labels


This ant appears to be rather common in India and China, and I believe that I have seen it on several occasions in Bengal Province nesting under loose bark, though the actual specimens were lost in a wartime shipment. In life, the distinctive point of recognition lies in the extremely depressed appearance of the ant, even when moving about. It appears to the naked eye somewhat like a flattened Leptothorax, and its attachment to tree trunks and plant cavities may be correlated with the habitus. (Brown 1953)


Gauromyrmex acanthinus is similar to Gauromyrmex bengkalisi, its only congener, but can be separated by the relatively smooth mesopleuron of acanthinus in comparison to the foveolate mesopleuron on bengkalisi.

Smith 1948.png


Distribution based on Regional Taxon Lists

Oriental Region: India, Vietnam (type locality).
Palaearctic Region: China.

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb


Smith (1948), included this information about a collection that was sent and described to him by Bill Brown: Szechwan Province, China; 5 miles north Hsin Ching, 1700 ft., 6-24-44, from trunk and roots of Fiecus sp., Schwangliu, 6-21-44, from a moist, moss-covered bank deeply shaded by bamboo. These specimens were collected by Wm. L. Brown, Jr., who is of the opinion that the ants may nest in the soil. He (Brown) noted that those from the first-mentioned locality were timid and stuck tenaciously to the bark when an attempt was made to collect them. Those from the other locality, however, were rather quick in their pace.



The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • acanthinus. Solenomyrma acanthina Karavaiev, 1935a: 103, fig. 23 (w.) VIETNAM. Combination in Gauromyrmex: Brown, 1953c: 10; in Vollenhovia: Bolton, 1995b: 422; in Gauromyrmex: Bolton, 2003: 269. Senior synonym of donisthorpei: Brown, 1953c: 10.
  • donisthorpei. Acalama donisthorpei Smith, M.R. 1949a: 207, figs. 1, 2 (w.) INDIA. Junior synonym of acanthina: Brown, 1953c: 10.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.


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Karavaiev 1935a p. 104.png


  • Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp. (page 422, combination in Vollenhovia)
  • Bolton, B. 2003. Synopsis and Classification of Formicidae. Mem. Am. Entomol. Inst. 71: 370pp (page 269, Combination revived in Gauromyrmex)
  • Brown, W. L., Jr. 1953c. Characters and synonymies among the genera of ants. Part I. Breviora 11: 1-13 (page 10, combination in Gauromyrmex)
  • Karavaiev, V. 1935a. Neue Ameisen aus dem Indo-Australischen Gebiet, nebst Revision einiger Formen. Treubia 15: 57-118 (page 103, fig. 23 worker described)