Stigmatomma eminia

Stigmatomma eminia
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Amblyoponinae
Tribe:	Amblyoponini
Genus:	Stigmatomma
Species:	S. eminia
Binomial name
	Stigmatomma eminia; (Zhou, 2001)

Nothing is known about the biology of Stigmatomma eminia.

Identification

Zhou (2001) - Resembles Stigmatomma rubiginoum, but differs from the latter in each side of clypeus with a tooth and the median portion with 4 denticles; frontal lobes well forward, slightly surpassing the anterior clypeal border; anterior face and dorsal surface of the node forming an obtuse angle.

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

Palaearctic Region: China (type locality).

Distribution based on AntMaps

Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.

Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.

Biology

Castes

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

eminia. Amblyopone eminia Zhou, 2001b: 23, 225, figs. 4, 5 (w.) CHINA (Guangxi).
- Type-material: holotype worker.
- Type-locality: China: Guangxi, Huaping Natural Reserve, 17.ix.1998 (S. Zhou).
- Type-depository: GNUC.
- Combination in Stigmatomma: Yoshimura & Fisher, 2012a: 19.
- Status as species: Xu, 2006: 152 (in key); Zhou & Ran, 2010: 102; Guénard & Dunn, 2012: 23; Xu & Chu, 2012: 1179 (in key).
- Distribution: China.

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

Description

Worker

Holotype. TL 7.7, HL 1.38, HW 1.38, CI 100, SL 0.78, SI 56, ML 1.22, MI 88, AL 1.94, PW 0.91, NW 0.84, NL 0.72.

Head as long as broad, occipital corners and anterior corners of head roundly angular, occipital border concave. Eye small, situated behind the midlength of the sides of head, about .two-thirds the length from the anterior corner to the posterior corner. Mandible more than four-fifths as the length of head, widest at base, the inner border with 10 acute, bicuspid and curved teeth, apical teeth longest , the 3rd smallest, and the remaining teeth are in the same size except the basal teeth which much longer. Clypeus short, the area between .frontal carinae flat, anterior border straight, each side with a large tooth, in the median portion there are 4 denticles, each with the same distance from another. Frontal lobes well forward, slightly surpassing the anterior clypeal border beneath them. Antennal scapes reaching back nearly to the·level of the eyes; funiculi thickened towards the apex; the first segment slightly longer than broad; all the remaining segments broader than long except the terminal segment which about 1. 5 X as long as broad. Alitrunk rather short, sides rounded in dorsal view, mesonotum constrict; in profile view, dorsum flat; mesopropodeal suture distinct; pronotum slightly broader than long; basal face of propodeum subtrapizoidal in dorsal view, slightly longer than broad, broader posteriorly than in front, as long as the declivity which sloping and forms an angle with the basal face; sides of the declivity submarginate, slightly concave in the middle. Petiolar node broader than long in dorsal view, semicircularly rounded in front, with straight and subparallel sides; anterior face slope, dorsal surface straight in profile view, forming an obtuse angle with the anterior face. Ventral border of subpetiolar process bluntly rounded. Gaster stout and long. Sting rather long.

Mandibles, clypeus, frontal lobes finely striate; head, alitrunk and gaster punctate, punctures on head much coarser and with striations among the punctures. Lower half of the declivity of propodeum smooth.

Hairs yellow, short, rather abundant, longer at the apex of the gaster. Pubescence short, fine, more abundant on the gaster.

Color reddish brown; occipital border of head, borders of mandibles and teeth, and dorsum of pronotum darker. Legs lighter.

Type Material

Holotype worker, Huaping Natural Reserve, 17.IX.1998, Shanyi Zhou leg.

References

Yoshimura, M. & Fisher, B.L. 2012. A revision of male ants of the Malagasy Amblyoponinae (Hymenoptera: Formicidae) with resurrections of the genera Stigmatomma and Xymmer. PLoS ONE 7(3):e33325 (doi:10.1371/journal.pone.0033325).
Zhou, S. 2001. Ants of Guangxi. Guilin, China: Guangxi Normal University Press, 255 pp.: 255pp (page 23, 225, figs. 4, 5 worker described)

References based on Global Ant Biodiversity Informatics

Cheng D., Z. Chen, and S. Zhou. 2015. An analysis on the ant fauna of Jinzhongshan Nature Reserve in Gunagxi, China. Journal of Guangxi Normal University: Natural Science Edition 33(3): 129.137.
Guénard B., and R. R. Dunn. 2012. A checklist of the ants of China. Zootaxa 3558: 1-77.
Xu Z.-H., and J. J. Chu. 2012. Four New Species of the Amblyoponine Ant Genus Amblyopone (Hymenoptera: Formicidae) from Southwestern China with a Key to the Known Asian Species. Sociobiology 59(4): 1175-1196.
Xu Z. 2006. Three new species of the ant genera Amblyopone Erichson, 1842 and Proceratium Roger, 1863 (Hymenoptera: Formicidae) from Yunnan, China. Myrmecologische Nachrichten 8: 151-155.