Coelinius Nees, 1819

Souza-Gessner, Carolina Da Silva, Almeida, Luis Felipe Ventura De & Penteado-Dias, Angélica Maria, 2019, Four new species of Coelinius (Hymenoptera: Braconidae: Alysiinae) from the neotropical region, Zootaxa 4586 (2), pp. 278-288 : 279

Key to Brazilian species of Coelinius Nees

1. Notauli complete ( Fig. 12 ). Mandibles with four teeth ( Fig. 10 ). Ovipositor sheath very short, not projecting beyond apex of metasoma, less than 0.2× length of T1 ( Figs 1 , 7 )........................................................... 2

- Notauli developed only anteriorly ( Fig. 17 ). Mandibles with five teeth ( Figs 16 , 25 ). Ovipositor sheath longer, more than 0.3 5× length T1 ( Figs 14 , 22 )................................................................................ 3

2. Frons rugose ( Fig. 8 ). Stigma length less than 1.5× vein R1 length. Head and mesosoma mostly black ( Fig. 7 )................................................................................................. C. itamonte sp. nov.

- Frons smooth and shiny. Stigma length more than 1.5× vein R1 length. Head and mesosoma mostly brownish ( Fig. 4 ).......................................................................................... C. canastra sp. nov.

3. Mesosoma length more than 2.0× its height ( Fig. 26 ). Metapleuron densely setose ( Fig. 26 ). Mandible length 2.0× its apical width.................................................................................... C. lux sp. nov.

- Mesosoma length 1.57–1.80× its height ( Fig. 20 ). Metapleuron not as densely setose ( Fig. 20 ). Mandible length less than 2.0× its apical width.......................................................................... .. C. kali sp. nov.

Figures

FIGURES 7–13. Coelinius itamonte sp. nov. (female). 7. Habitus, lateral view. 8. Head, dorsal view. 9. Head, lateral view. 10. Mandible, arrow showing 4th teeth. 11. Mesosoma, lateral view. 12. Mesosoma, dorsal view. 13. T1, dorsal view.

FIGURES 1–6. Coelinius canastra sp. nov. (female). 1. Habitus, lateral view. 2. Head, frontal view. 3. Head, dorsal view. 4. Head and mesosoma, lateral view. 5. Propodeum, T1-T2, dorsal view. 6. Mesonotum.

FIGURES 14–21. Coelinius kali sp. nov. (female). 14. Habitus, lateral view. 15. Head, antero-lateral view. 16. Mandible. 17. Mesonotum. 18. Propodeum, dorsal view. 19. Head, dorsal view. 20. Mesosoma, lateral view. 21. T1, dorsal view.

FIGURES 22–27. Coelinius lux sp. nov. (female). 22. Habitus, lateral view. 23. Head, lateral view. 24. Head, antero-lateral view. 25. Mandible. 26. Mesosoma, lateral view. 27. Metasoma, lateral view.