Key to Dinoponera males

This key to males is based on: [[Media:Lenhart et al 2013.pdf|Lenhart, P.A., Dash, S.T. & Mackay, W.P. 2013. A revision of the giant Amazonian ants of the genus Dinoponera (Hymenoptera, Formicidae). Journal of Hymenoptera Research 31, 119–164.]] and as modified by: Escarraga, M. E., J. E. Lattke, and C. O. Azevedo. 2017. Discovery of the Dinoponera lucida male (Hymenoptera, Formicidae), a threatened giant ant from the Atlantic rain forest. Zootaxa. 4347:128-136. doi:10.11646/zootaxa.4347.1.7.

Males are not known for Dinoponera hispida and Dinoponera mutica.

Couplets 1 and 2 are included to easily separate males of other genera which are likely confused with Dinoponera

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 * Dinoponera
 * Key to Dinoponera workers / Clave para la identificación de las obreras de Dinoponera / Chave para identificação de operários de Dinoponera
 * Clave para la identificación de los machos conocidos de Dinoponera / Chave para identificação de machos de Dinoponera

1

 * Total body length less than 15 mm..........Pachycondyla and other poneroids


 * Total body length greater than 15 mm . . . . . 2

2
return to couplet #1
 * Subpetiolar process in form of spine; pronotum heavily sculptured; palp formula 5:3.....................................................................................Paraponera


 * Subpetiolar process without spine; pronotum shiny, microsculptured; palp formula 4:3 . . . . . 3

3
return to couplet #2
 * Ocelli protruding on occipital margin of head (Fig. 4A–D) . . . . . 4


 * Ocelli not protruding on occipital margin of head (Fig. 4E); Bolivia, Paraguay, northern Argentina and southern Brazil . . . . . Dinoponera australis

4
return to couplet #3
 * Setae on flagellum longer than the segment's width and erect (Fig. 4F, G) . . . . . 5


 * Setae on flagellum absent or shorter than the segment's width, stiff and subdecumbent (Fig. 4H, I, J) . . . . . 6

5
return to couplet #4
 * Digitus volsellaris with toothless lobe at distal end (Fig. 10C); Brazil, Peru, and Guyana . . . . . Dinoponera gigantea


 * Digitus volsellaris without lobe at distal end (Fig. 10A); northeast Brazil . . . . . Dinoponera quadriceps

6
return to couplet #4
 * Penis valve of aedeagus wedge-shaped in lateral view (Fig. 11E); abdominal tergum VIII ending in narrow, elongate spine or in acute, triangular angle; . . . . . 7


 * Pygidium terminating in short, broad, triangular angle (Fig. 4N); penis valve of aedeagus with distal flange and triangular ventral lobe (Fig. 11B); abdominal tergum VIII ending in short, broad, triangular angle; Mato Grosso do Sul, Brazil . . . . . Dinoponera snellingi

7
return to couplet #6
 * Abdominal tergum VIII terminating in narrow, elongate spine (Fig. 4M); Colombia south to Perú to north western Brazil . . . . . Dinoponera longipes


 * Abdominal tergum VIII terminating in a very acute triangular angle; Bahia, Espírito Santo, Minhas Gerais, São Paulo . . . . . Dinoponera lucida