This taxon was described from the a specimen from the Neotropics intercepted in the United States.
Brandão (1990) - This species can be clearly distinguished from all other Leoninus group species by the lack of an anterior tooth at the petiole ventral face and by the head shape.
Distribution based on type material
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.
- pacova. Megalomyrmex pacova Brandão, 1990: 437, figs. 46, 55 (w.) U.S.A. [Intercepted in quarantine, from Neotropics.]
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Mandibles smooth; anterior clypeal border round with median denticle; 18 ocular facets at compound eye largest diameter; 3-segmented antennal club; occipital margin raised: frontal suture impressed; promesonotal suture impressed; mesosternum and metasternum without acrotergites; dorsal face and declivity of propodeum meeting in low lateral tubercles, divergent at apex; dorsal face impressed transversally; declivity with concentric striations around the foramen; epipetiolar carina complete; pedunculate petiole in general without anteroventral tooth or flange; dorsal margin of petiolar node, in side view, concave; dorsal margin of petiolar node, in frontal view, round; ventral face of postpetiole with a low round process; apex of femura acuminate.
Color: deep-brown, almost black.
Type specimens came from banana shipments arrived at U.S. Quarentine ports (Charleston, South Carolina; Brownsville, Texas and New York, NY). Holotype and 3 paratypes at Museu de Zoologia da USP; 2 paratypes at National Museum of Natural History, Washington; 2 paratypes at Museum of Comparative Zoology, Harvard.
M. pacova has been named after the Tupi word pacova, meaning banana.
- 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 437, figs. 46, 55 worker described)
- Guerrero, R.J., Fernandez, F., Escarraga, M.E., Perez-Pedraza, L.F., Serna, F., Mackay, M.P., Sandoval, V., Vergara, V., Suarez, D., Garcia, E.I., Sanchez, A., Meneses, A.D., Tocora, M.C., Sosa-Calvo, J. 2018. New records of myrmicine ants (Hymenoptera: Formicidae) for Colombia. Revista Colombiana de Entomología 44: 238-259 (DOI 10.25100/socolen.v44i2.7115).