Vombisidris dryas

Vombisidris dryas
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Myrmicinae
Tribe:	Crematogastrini
Genus:	Vombisidris
Species:	V. dryas
Binomial name
Vombisidris dryas Bolton, 1991 Specimen Labels

The type was collected from the trunk of a tree.

Identification

A member of the dryas group

Keys including this Species

• Key to Vombisidris workers

Distribution

Distribution based on Regional Taxon Lists

Indo-Australian Region: Borneo (type locality), Indonesia, Malaysia.

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.

Nomenclature

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

• dryas. Vombisidris dryas Bolton, 1991: 7, fig. 8 (w.) BORNEO (East Malaysia: Sarawak).
  • Type-material: holotype worker.
  • Type-locality: Malaysia: Sarawak, 4th Division, G. Mulu N.P., Gn. Mulu trail to Camp 3, RGS Expd., x.1977, on tree trunk (D. Hollis).
  • Type-depository: BMNH.
  • Status as species: Bolton, 1995b: 423; Pfeiffer, et al. 2011: 55; Xu & Yu, 2012: 1499 (in key).
  • Distribution: Malaysia (Sarawak).

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 3.8, HL 0.84, HW 0.72, CI 86, SL 0.58, SI 81, PW 0.56, AL 1.02. Maximum diameter of eye 0.21 (0.29 X HW) and with 9-10 ommatidia in the longest row. Mandibles finely shagreenate. Subocular groove complete. Cephalic dorsum finely reticulate-rugose. Sides of head approximately parallel behind eyes. Metanotal groove very broad in dorsal view, markedly impressed in profile. Alitrunk reticulate-rugose, sides of mesonotum angular in dorsal view. Propodeal spines shallowly curved. Petiole and postpetiole with a fine rugoreticulum. Spiracle of petiole very close to articulation with alitrunk. Gaster unsculptured except for extremely short basigastral costulae. All dorsal surfaces of head and body with stout bluntly pointed pilosity. Colour uniformly yellow.

Type Material

Holotype worker, East Malaysia: Sarawak, 4th Division, G. Mulu NP, Gn. Mulu trail to camp 3, x.1977, RGS Expd, on tree (D. Hollis) (The Natural History Museum).

References

• Bolton, B. 1991. New myrmicine genera from the Oriental Region (Hymenoptera: Formicidae). Syst. Entomol. 16: 1-13. (page 7, fig. 8 worker described)
• Jeenthong, T., Jaitrong, W., Tasen, W. 2023. A new species of the ant genus Vombisidris Bolton, 1991 (Hymenoptera: Formicidae: Myrmicinae) from Thailand. Tropical Natural History 23: 105-113.

References based on Global Ant Biodiversity Informatics

• Bolton B. 1991. New myrmicine genera from the Oriental Region (Hymenoptera: Formicidae). Systematic Entomology 16:1-13.
• Pfeiffer M.; Mezger, D.; Hosoishi, S.; Bakhtiar, E. Y.; Kohout, R. J. 2011. The Formicidae of Borneo (Insecta: Hymenoptera): a preliminary species list. Asian Myrmecology 4:9-58