Apterostigma auriculatum Wheeler, 1925

Mera-Rodríguez, Daniela, Serna, Francisco, Sosa-Calvo, Jeffrey, Lattke, John & Rabeling, Christian, 2020, A checklist of the non-leaf-cutting fungus-growing ants (Hymenoptera, Formicidae) from Colombia, with new biogeographic records, Check List 16 (5), pp. 1205-1227 : 1208

(2) Apterostigma auriculatum Wheeler, 1925

Figure 2C, D

Material examined. COLOMBIA: Antioquia • 1 worker; Amalfi; 06°54′11″N, 075°05′26.7″W; alt. 1045 m; 20 Apr. 1998; F. Sernaleg.; UNAB 4361 .

Identification. Eyes relatively big and prominent (more than nine ommatidia along the shortest axis); frontal lobes subquadrate in full-face view, anterior margin of clypeus concave, lacking shiny cuticular strip; neck relatively long and broad, lacking median carina; hu- meral prominence in dorsal view shaped as angular lobe; ventral mesopleural carina in lateral view fine; and pet- iole in lateral view triangular, with antero- and posterodorsal profiles almost of same length ( Lattke 1997).

Distribution. This species occurs from Honduras to Mato Grosso do Sul in Brazil and is widely distributed throughout central and northwestern South America ( Lattke 1997; Fernández and Sendoya 2004).

Figures

Figure 2. Apterostigma species encountered in Colombia. A, B. Apterostigma angustum, J. Sosa-Calvo. C–H. Figures taken by M. Esposito obtained from the Antweb database (http://www.antweb.org). C, D. Apterostigma auriculatum, CASENT0922035. E, F. Apterostigma bolivianum, CASENT0922036. G, H. Apterostigma carinatum, CASENT0922038.