Adelomyrmex costatus

AntWiki: The Ants --- Online
Adelomyrmex costatus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Solenopsidini
Genus: Adelomyrmex
Species: A. costatus
Binomial name
Adelomyrmex costatus
Fernández, 2003

Nothing is known about the biology of Adelomyrmex costatus.


A. costatus has a continuous mesosoma, the promesonotum is conspicuously and evenly convex, the petiolar node is thick, and there is coarse longitudinal costulation. This combination of characters is unique in the genus. (Fernández 2003)

Keys including this Species


Distribution based on Regional Taxon Lists

Neotropical Region: Colombia (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.



Known only from the worker caste.


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

  • costatus. Adelomyrmex costatus Fernández, 2003b: 17, figs. 35, 75 (w.) COLOMBIA.
    • Type-material: holotype worker.
    • Type-locality: Colombia: Cauca, PNN Isla Gorgona, Alto El Mirador, 380 m., 31.iii.2000 (R. Duque).
    • Type-depository: IAVH.
    • Status as species: Longino, 2012: 17; Fernández & Serna, 2019: 803.
    • Distribution: Colombia.

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



Measurements. Holotype. HL 0.63 HW 0.58 SL 0.36 EL 0.08 WL 0.55 GL 0.65 TL 2.36 CI 92 SI 62.

Mandibles with 5 teeth, the basal and sub-basal distanced, the basal low and blunt. Eyes with about 12 ommatidia. Mesosoma continuous, metanotal groove poorly impressed. Hypostomal tooth low, blunt. Promesonotum highly convex. Propodeal sides triangular, acute. Propodeal spiracle small, circular. Petiole node thick, rounded above, postpetiole smaller, flat above. Head, mesosoma, petiole and pospetiole coarsely costate. Costulation in head and promesonotum longitudinal, with about 15 costae on promesonotum. About 6 transverse costae on propodeal dorsum. Longitudinal costulation on mesosomal sides, transverse on petiole and postpetiole sides. Gaster smooth and shining. Dense long hairs on dorsum body. Body dark brown, appendages lighter.

Type Material

Holotype worker: COLOMBIA: Cauca, PNN Isla Gorgona, Alto El Mirador, 380 m., 31.iii.00, R. Duque leg. (Deposited in Humboldt Institute).


  • Fernández, F. 2003b. Revision of the myrmicine ants of the Adelomyrmex genus-group (Hymenoptera: Formicidae). Zootaxa 361: 1-52 (page 17, figs. 35, 75 worker described)
  • Longino, J.T. 2012. A review of the ant genus Adelomyrmex Emery 1897 (Hymenoptera, Formicidae) in Central America. Zootaxa 3456, 1–35.