Key to Dinoponera workers

This worker key 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. PDF]]

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Dinoponera

1

 * Antero-inferior corner of pronotum with distinct tooth-like process (Fig. 1D) . . . . . 2


 * Antero-inferior corner of pronotum without tooth-like process (Fig. 1E) . . . . . 4

2
return to couplet #1
 * Head (Fig. 12B), sides of petiole and terga 1 and 2 of gaster smooth and polished, integument with bluish luster (Fig. 12A); southeastern coast of Brazil . . . . . Dinoponera lucida


 * Head, lateral sides of the petiole and terga 1 and 2 of gaster finely micropunctate/scaled (Fig. 12B) . . . . . 3

3
return to couplet #2
 * Total body length under 3 cm; Bolivia, Paraguay, northern Argentina and southern Brazil . . . . . Dinoponera australis


 * Total body length over 3 cm; Brazil, Peru, and Guyana . . . . . Dinoponera gigantea

4
return to couplet #1
 * Body covered in bristle-like setae which are not flagellate (Fig. 1C); Pará, Brazil . . . . . Dinoponera hispida


 * Body covered in fine and flagellate setae (Fig. 1B) . . . . . 5

5
return to couplet #4
 * Appressed golden yellow pubescence present on frons (Fig. 1A); Colombia south to Perú to northern Brazil . . . . . Dinoponera longipes


 * Pubescence absent from frons or not golden yellow . . . . . 6

6
return to couplet #5
 * Sides of head, lateral sides of the petiole and terga 1 and 2 of gaster finely micro-punctate/scaled (Fig. 12B); in profile antero-dorsal edge of petiole bulging (Fig. 1G); northeast Brazil . . . . . Dinoponera quadriceps


 * Sides of head, sides of the petiole and terga 1 and 2 of gaster smooth, shiny and polished with no microsculpturing, integument with bluish luster (Fig. 12A); in profile petiole with even dorsal corners (Fig. 1F); eastern Bolivia, northern Paraguay and southwestern Brazil . . . . . Dinoponera mutica