Megalomyrmex caete

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Megalomyrmex caete
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Solenopsidini
Genus: Megalomyrmex
Species: M. caete
Binomial name
Megalomyrmex caete
Brandão, 1990

Megalomyrmex caete casent0902328 p 1 high.jpg

Megalomyrmex caete casent0902328 d 1 high.jpg

Specimen Labels

The type series was collected by W.L. Brown Jr. from “mt. base. Forest”.



Distribution based on Regional Taxon Lists

Neotropical Region: Ecuador (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb




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

  • caete. Megalomyrmex caete Brandão, 1990: 422, figs. 2, 9, 27 (w.q.) ECUADOR.

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



Mandibles smooth; anterior border of clypeus with median denticle; flat median area of clypeus limited by carinae (better seen at 80x); 3-seg­mented antenna! club; 10-12 ocular facets at eye largest diameter; occipital margin not raised; dorsal profile of promesonotum continuous, promesonotum suture impressed laterally; meso­ sternum and metasternum without acrotergites; dorsal face and declivity of propodeum meeting in a gentle angle; declivity with 3-4 concentric rugosities over the foramen; petiole with an­ teroventral denticle; petiolar node, in frontal view, acuminate; postpetiole ventral process glo­bose.

Pilosity: 6 long erect hairs (more than .2mm) at pronotum, 4-6 at the apex of petiole and post­ petiole, 15-16 at the gaster segments and anterior face of fore coxae. Small subdecumbent hairs (circa .lmm) uniformly distributed over the body surface. Color: uniform bright light-yellow.


Clypeal carinae only at the posterior region of clypeus; ocelli equally developed; parapsidal sutures impressed on mesonotum; scutum and scutellum with 2 parallel rows of long hairs; ven­tral process of postpetiole acuminate.

Type Material

3 Km SW Bucay, prov. Guayas, Ecuador (02°10'S, 79° 06'W). Holotype (worker) and 2 paratypes (workers) at Museum of Comparative Zoology, Harvard Univ.; 1 paratype (worker) at British Museum of Natural History; 2 paratypes (queen and workers) at Museu de Zoologia da USP.


Caete means forest in Tupi.


  • Brandão, C. R. F. 1990b. Systematic revision of the Neotropical ant genus Megalomyrmex Forel (Hymenoptera: Formicidae: Myrmicinae), with the description of thirteen new species. Arq. Zool. (São Paulo) 31: 411-481 (page 422, figs. 2, 9, 27 worker, queen described)