Rhopalomastix mazu

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Rhopalomastix mazu
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Rhopalomastix
Species: R. mazu
Binomial name
Rhopalomastix mazu
Terayama, 2009

Rhopalomastix mazu side (www.niaes.affrc.go.jp).jpg

Rhopalomastix mazu top (www.niaes.affrc.go.jp).jpg

Specimen labels

Nothing is known about the biology of Rhopalomastix mazu.


Terayama (2009) - Small species; total body length 2.1 mm in female; subpetiolar process developed, higher than long, bearing acute triangle.

Although the female of Rhopalomastix omotoensis from Japan is not yet known, this species is distinctly smaller and has a well developed subpetiolar process (subpetiolar process low, longer than high, with an anteroventral angle in omotoensis worker).


Distribution based on Regional Taxon Lists

Oriental Region: Taiwan (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb



Known only from the queen caste.


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

  • mazu. Rhopalomastix mazu Terayama, 2009: 191, figs. 271-273 (q.) TAIWAN.

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



Holotype alate. HL 0.35, HW 0.29, SL 0.21, WL 0.42, PNL 0. 11, PH 0.15, DPW 0.16, PPL 0.08, PPH 0.10, PPW 0.14, TL 2.1.

Head rectangular, 1.10 times as long as wide, with almost straight posterior margin and parallel sides in full face view. Anterior margin of clypeus weakly convex. Compound eye 0.18 mm in maximum diameter. Antenna 10-segmented; scape short and flat, SI = 37; 3rd to 9th segments each wider than long; terminal segment large and flat, 0.18 mm long and 1.7 times as long as wide.

Alitrunk long, with flat dorsum; posterolateral corner of propodeum dully angulate. Petiole short and high; peduncle short, node trapezoidal, with anterodorsal and posterodotsal corners; anterior margin straight, dorsal margin almost straight; in dorsal view, dorsal disc wider than long, with convex anterior margin and straight posterior margin; subpetiolar process developed, higher than long, bearing acute triangle. Postpetiole slightly higher than long, and shorter than petiole.

Femora flat and broad, fore femur twice as long as wide, middle and hind femora each 1.6 times as long as wide.

Color. Brown.

Type Material

Holotype. Worker, Taidong City, 20.viii.1980, M. Terayama leg. NAIES


The specific epithet is the Chinese noun Mazu, which is the name of a Taiwanese goddess.