FIGURES 1–2. 1, mesoscutum of C. thamyris, male. 2, lateral sulcus of T2 of C. opaciceps, male. Scale 1, 200 µm; 2, 20 µm.Published as part of Gonzalez-Vaquero, Rocio Ana & Roig-Alsina, Arturo, 2013, Revision of the species of the bee genus Caenohalictus (Hymenoptera: Halictidae) occurring in Argentinean Patagonia, pp. 493-515 in Zootaxa 3670 (4) on page 499, DOI: 10.11646/zootaxa.3670.4.5, http://zenodo.org/record/24864
FIGURES 45–50. Female holotype. 45, 48, dorsal view; 46, 49, head; 47, 50, mesosoma, dorsal view. 45...
FIGURES 1–4. Centris cineraria Smith, 1854. Fig. 1. Female (Viña del Mar, Chile): Head, frontal view...
FIGURES 7–10. Male legs. 7, T. basiatra (from Curitiba, Paraná, Brazil) fore leg. 8, same, mid leg. ...
FIGURES 32–38. Hind tibial spur of the female. 32, C. opaciceps. 33, C. cyanopygus. 34, C. flammeus ...
FIGURES 59–62. Labrum of the female. 59, C. cyanopygus. 60, C. flammeus n. sp. 61, C. turquesa. 62, ...
FIGURE 2. Males, A. ursinus species group, lateral view. A, A. bonariensis Brèthes. B, A. halictoide...
FIGURE 1. Females, A. ursinus species group, lateral view. A, A. bonariensis Brèthes. B, A. halictoi...
FIGURES 25–28. Centris vardyorum Roig-Alsina, 2000. Fig. 25. Female (El Challao, Argentina): Head, f...
FIGURES 13–16. Centris muralis Burmeister, 1876. Fig. 13. Female (Mendoza, Argentina): Head, frontal...
FIGURES 1–4. Head of female, frontal view. 1, Xylocopa atamisquensis; 2, Xylocopa augusti; 3, Xyloco...
FIGURES 12–17.12–14: Distal process of the labrum in frontal view, 12–13: females, 12, C. sabanaensi...
FIGURES 25–31. Faces of Ceratalictus species (males): (25) C allostictus Moure; (26) 2 C. argentinus...
FIGURES 3–8. Male heads. 3, Ruizantheda nigra n. sp; 4, R. colombiana n. sp.; 5, R. venezuelana n. s...
FIGURES 20–25. Male metasomal sterna. 20–21, S4–5: 20, Ruizantheda nigra n. sp.; 21, R. venezuelana ...
FIGURES 34–37. Male genital capsule. 34, 36 ventral view; 35, 37 dorsal view. 34–35, R. colombiana n...
FIGURES 45–50. Female holotype. 45, 48, dorsal view; 46, 49, head; 47, 50, mesosoma, dorsal view. 45...
FIGURES 1–4. Centris cineraria Smith, 1854. Fig. 1. Female (Viña del Mar, Chile): Head, frontal view...
FIGURES 7–10. Male legs. 7, T. basiatra (from Curitiba, Paraná, Brazil) fore leg. 8, same, mid leg. ...
FIGURES 32–38. Hind tibial spur of the female. 32, C. opaciceps. 33, C. cyanopygus. 34, C. flammeus ...
FIGURES 59–62. Labrum of the female. 59, C. cyanopygus. 60, C. flammeus n. sp. 61, C. turquesa. 62, ...
FIGURE 2. Males, A. ursinus species group, lateral view. A, A. bonariensis Brèthes. B, A. halictoide...
FIGURE 1. Females, A. ursinus species group, lateral view. A, A. bonariensis Brèthes. B, A. halictoi...
FIGURES 25–28. Centris vardyorum Roig-Alsina, 2000. Fig. 25. Female (El Challao, Argentina): Head, f...
FIGURES 13–16. Centris muralis Burmeister, 1876. Fig. 13. Female (Mendoza, Argentina): Head, frontal...
FIGURES 1–4. Head of female, frontal view. 1, Xylocopa atamisquensis; 2, Xylocopa augusti; 3, Xyloco...
FIGURES 12–17.12–14: Distal process of the labrum in frontal view, 12–13: females, 12, C. sabanaensi...
FIGURES 25–31. Faces of Ceratalictus species (males): (25) C allostictus Moure; (26) 2 C. argentinus...
FIGURES 3–8. Male heads. 3, Ruizantheda nigra n. sp; 4, R. colombiana n. sp.; 5, R. venezuelana n. s...
FIGURES 20–25. Male metasomal sterna. 20–21, S4–5: 20, Ruizantheda nigra n. sp.; 21, R. venezuelana ...
FIGURES 34–37. Male genital capsule. 34, 36 ventral view; 35, 37 dorsal view. 34–35, R. colombiana n...
FIGURES 45–50. Female holotype. 45, 48, dorsal view; 46, 49, head; 47, 50, mesosoma, dorsal view. 45...
FIGURES 1–4. Centris cineraria Smith, 1854. Fig. 1. Female (Viña del Mar, Chile): Head, frontal view...
FIGURES 7–10. Male legs. 7, T. basiatra (from Curitiba, Paraná, Brazil) fore leg. 8, same, mid leg. ...