Key to Dinoponera males

Key to males of Dinoponera based on Dias & Lattke (2021). Got workers? See the key to Dinoponera workers.

For detailed images of genitalia see Tozetto & Lattke (2020).

1

Antenna without long hairs (fig. 10A). Anteroventral corner of volsella projecting ventrally => Dinoponera grandis (Argentina, Bolivia, Brazil and Paraguay)
Antenna with long suberect to erect hairs, clearly longer than maximum scape diameter (fig. 10B). Anteroventral corner of volsella bidentate => 2
Antenna with thick and stiff decumbent hairs, usually shorter than maximum scape diameter (fig. 10C). Anteroventral corner of volsella projecting anteriorly => 3

Fig. 10. Detail of antenna pilosity. A. D. grandis. B. D. quadriceps. C. Dinoponera morphospecies 1.

Notaulus slightly impressed on mesoscutum (fig. 11A). Penisvalva ending in rounded apex. Gaster with sparse suberect long hairs => Dinoponera gigantea (north of Brazil, Colombia and Peru)
Notaulus absent (fig. 11B). Penisvalva ending in a subacute apex. Gaster without long hairs => Dinoponera quadriceps (northeast of Brazil)

Fig. 11. A. Detail of mesoscutum with notaulus (see arrow) in D. gigantea. B. Detail of mesoscutum without notaulus in D. quadriceps.

Abdominal tergite VIII triangular, with a very sharp apex (fig. 12A). Penisvalva ending in a posteroventral lobe => Dinoponera lucida (east of Brazil)
Abdominal tergite VIII spiniform (fig. 12B). Penisvalva without a posteroventral lobe => 4

Fig. 12. Detail of abdominal tergite VIII. A. D. lucida. B. Dinoponera morphospecies 1. No scale.

Penisvalva in lateral view with a rounded apex; anteroventral corner with a long and very sharp spine => Dinoponera morphospecies 1 (northwest of Brazil)
Penisvalva in lateral view with a wedge-shaped apex; anteroventral corner with a tooth => Dinoponera longipes (northwest of Brazil, Colombia and Peru)