Vombisidris umbrabdomina

AntWiki: The Ants --- Online
Vombisidris umbrabdomina
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Vombisidris
Species: V. umbrabdomina
Binomial name
Vombisidris umbrabdomina
Huang & Zhou, 2006

The type material was collected from shrubs within an unspecified habitat.

Identification

Huang & Zhou (2006) - This new species is similar to Vombisidris nahet, but differs in sides of mesonotum slightly convex, not obtusely angular in dorsal view, antennal scape relatively longer, colour yellowish-brown, gaster dark brown, darker than the head and alitrunk.

Keys including this Species

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: 29.16666667° to 29.16666667°.

 
North
Temperate
North
Subtropical
Tropical South
Subtropical
South
Temperate

Distribution based on Regional Taxon Lists

Palaearctic Region: China (type locality).

Distribution based on AntMaps

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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.
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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.
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Biology

Castes

Nomenclature

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

  • umbrabdomina. Vombisidris umbrabdomina Huang & Zhou, 2006: 206, figs. 1, 2 (w.) CHINA (Hunan).
    • Type-material: holotype worker.
    • Type-locality: China: Hunan Prov., Zhangjiajie National Natural Reserve (29°10’N, 110°25’E), 13.viii.2004, on shubbery (J-H. Huang).
    • Type-depository: GNUC.
    • Status as species: Guénard & Dunn, 2012: 57; Xu & Yu, 2012: 1498 (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 4.2, HL 0.82, HW 0.72, CI 87, SL 0.60, SI 83, PW 0.50, AL 1.25, ED 0.20 (0.28 ×HW) and with 10 ommatidia in the longest row. Head longer than broad, sides feebly convex, median occipital margin weekly convex, occipital corners rounded. Mandibles and their teeth are as in diagnosis of the genus. Eyes moderate large, situated slightly in front of the midlength of the sides of the head. Faint vestiges of frontal carinae present, extending back from the posterior extremities of the frontal lobes to beyond the level of the posterior margins of the eyes. Subocular groove complete, running from the mandibular insertion to the anteroventral margin of the eye, then passing through a shallow angle and continuing along the sides to the later occipital margin, where the subocular groove ends slightly concave. Antennal scape relatively long (SI 83). Eyes relatively large (0.28 × HW) with 10 ommatidia in the longest row. Alitrunk elongate and low in profile, mesonotum unarmed. In dorsal view, sides of mesonotum slightly convex; metanotal groove shallow but distinct. In profile, propodeal spines long and slightly curved down at tip, about 1.3 times as long as the distance between their bases. Legs relatively long, maximum length of hind femur (0.72 mm) as long as head width.

In dorsal view, petiolar node distinctly longer than wide and sides of the node almost straight, dorsal face of the node moderately convex, petiolar spiracle at the midlength of the peduncle, dorsal face of postpetiolar node roundly convex. First gastral tergite smooth, except for a band of short basigastral costulae feebly present immediately behind the post petiole, the spaces between the basigastral costulae smooth. Head, alitrunk, petiole and postpetiole reticulate-rugose. Propodeal declivity with 3 fine transverse rugulae between the spines and remaining portion smooth and shining. Gaster smooth. Erect or suberect hairs densely present on dorsal surface head and whole body. Colour yellowish-brown, gaster dark brown, darker than head and alitrunk.

Type Material

Holotype. Worker, Zhangjiajie National Natural Reserve , Hunan Province (29°10′N , 110°25′E) , 13 Aug. 2004, collected from shrubbery with insect-net by Huang Jian-Hua.

References

References based on Global Ant Biodiversity Informatics

  • Huang J. H., S. Y. Zhou. 2006. Vombisidris Bolton (Hymenoptera, Formicidae), a new record genus in China, with description of a new species. Acta Zootaxonomica Sinica 31: 206-207.