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Figures 2–4 in A male of the bee genus Agapostemon in Dominican amber (Hymenoptera: Halictidae)

Figures 2–4. Photomicrographs of holotype male (SEMC-F001020) of Agapostemon luzzii, new species, in Early Miocene (Burdigalian) amber from the Dominican Republic. 2. Ventral habitus. 3. Ventral view detail of metasomal apex showing portions of cleared genitalia. 4. Dorsal detail of metasomal apex showing pygidial plate and exposed portions of the cleared genital capsule.

Figures 5–6 in A male of the bee genus Agapostemon in Dominican amber (Hymenoptera: Halictidae)

Figures 5–6. Details of male metasomal apex and genitalia of holotype (SEMC-F001020) of Agapostemon luzzii, new species, in Early Miocene (Burdigalian) amber from the Dominican Republic; structures labeled using terminology of Roberts (1972). 5. Ventral view. 6. Dorsal view.

Figures 2–4 in A male of the bee genus Agapostemon in Dominican amber (Hymenoptera: Halictidae)

Figures 2–4. Photomicrographs of holotype worker of Exebotrigona velteni, new genus and species, in Eocene amber from the Fushan Coalfield. 2. Left lateral habitus. 3. Right lateral habitus. 4. Detail of inner surface of metatibia and metatarsus (unclear areas are obscured by internal fractures from this particular view). Metrics of individual provided in description.

Figure 1 in A male of the bee genus Agapostemon in Dominican amber (Hymenoptera: Halictidae)

Figure 1. Photomicrograph of dorsal habitus of holotype male (SEMC-F001020) of Agapostemon luzzii, new species, in Early Miocene (Burdigalian) amber from the Dominican Republic.

Fig. 9. Agapostemon subtilior Cockerell, 1898 in Taxonomy of Agapostemon angelicus and the A. texanus species complex (Hymenoptera, Halictidae) in the United States

Fig. 9. Agapostemon subtilior Cockerell, 1898, neotype, female (UCMC0000005). A. Dorsal view of head and thorax. B. Propodeum. C. Lateral view with inset of labels. Images provided by Bekka Shupe and Virginia Scott (UCMC).

Fig. 8 in Taxonomy of Agapostemon angelicus and the A. texanus species complex (Hymenoptera, Halictidae) in the United States

Fig. 8. Range maps of specimens examined by the authors. A. Agapostemon texanus Cresson, 1872 s. s. B. Distribution of A. angelicus Cockerell, 1924 in Minnesota. C. Distribution of A. subtilior Cockerell, 1898 in Minnesota. D. Distribution of A. texanus s. s. in Minnesota.

Fig. 7 in Taxonomy of Agapostemon angelicus and the A. texanus species complex (Hymenoptera, Halictidae) in the United States

Fig. 7. Range maps of specimens examined by the authors. A. Agapostemon angelicus Cockerell, 1924. B. A. subtilior Cockerell, 1898.

Fig. 4. Female metasoma comparison. A. Agapostemon angelicus Cockerell, 1924. B. A. subtilior Cockerell, 1898. C. A. texanus Cresson, 1872 s. s. D. A. angelicus, T1 and T2 in Taxonomy of Agapostemon angelicus and the A. texanus species complex (Hymenoptera, Halictidae) in the United States

Fig. 4. Female metasoma comparison. A. Agapostemon angelicus Cockerell, 1924. B. A. subtilior Cockerell, 1898. C. A. texanus Cresson, 1872 s. s. D. A. angelicus, T1 and T2, with red arrow pointing to lateral areas basal to premarginal line with denser punctures. E. A. subtilior, T1 and T2, with red arrow pointing to area of sparser punctures. F. A. texanus s. s., T1 and T2, with red arrow pointing to area of denser punctures. Scale bars: 1 mm.

Fig. 2 in Taxonomy of Agapostemon angelicus and the A. texanus species complex (Hymenoptera, Halictidae) in the United States

Fig. 2. Comparison of Agapostemon angelicus Cockerell, 1924 and A. subtilior Cockerell, 1898, female head and clypeus. A. A. angelicus, face. B. A. angelicus, apex of clypeus. C. A. subtilior, face. D. A. subtilior, apex of clypeus. Scale bars: A, C = 1 mm; B, D = 500 µm.

Fig. 3 in Taxonomy of Agapostemon angelicus and the A. texanus species complex (Hymenoptera, Halictidae) in the United States

Fig. 3. Thorax of Agapostemon angelicus Cockerell, 1924 and A. subtilior Cockerell, 1898, females. A. A. angelicus, propodeum. B. A. subtilior, propodeum. C. A. angelicus, side. D. A. subtilior, side. Scale bars: 1 mm.

Fig. 1 in Taxonomy of Agapostemon angelicus and the A. texanus species complex (Hymenoptera, Halictidae) in the United States

Fig. 1. Genal striae of females. A. Agapostemon angelicus Cockerell, 1924. B. A. subtilior Cockerell, 1898. C. A. texanusCresson, 1872 s. s. D. Zoomed-in view of A. texanuss. s. striae, image of paralectotype (MCZENT548), provided by Zoe Flores and Crystal Maier of the MCZ. Scale bars: 1 mm.

Fig. 6 in Taxonomy of Agapostemon angelicus and the A. texanus species complex (Hymenoptera, Halictidae) in the United States

Fig. 6. Apical view of male genitalia. A. Agapostemon angelicus Cockerell, 1924. B. A. subtilior Cockerell, 1898. C. A. texanus Cresson, 1872 s. s. D. A. texanus s. s., zoomed in with black arrow pointing to more evenly curved lower stylus. E. A. subtilior zoomed in with black arrow pointing to more laterally extending lower stylus. Scale bars: 500 µm.

Fig. 5. Male hind legs. A. Agapostemon angelicus Cockerell, 1924, anterior view. B. A. angelicus, posterior view. C. A. subtilior Cockerell, 1898 in Taxonomy of Agapostemon angelicus and the A. texanus species complex (Hymenoptera, Halictidae) in the United States

Fig. 5. Male hind legs. A. Agapostemon angelicus Cockerell, 1924, anterior view. B. A. angelicus, posterior view. C. A. subtilior Cockerell, 1898, lightest color, anterior view. D. A. subtilior, lightest color, posterior view. E. A. subtilior, anterior view. F. A. subtilior, posterior view. G. A. subtilior, dark, anterior view. H. A. subtilior, dark, posterior view. I. A. texanus Cresson, 1872, anterior view. J. A. texanus, posterior view. K. A. angelicus, basitarsus. L. A. subtilior, basitarsus. M. A. texanus, basitarsus. Scale bars: A–J = 1 mm; K–M = 500 µm.