Portman, Zachary M.; Arduser, Mike; Powley, Mary E.; Cariveau, Daniel P.
Agapostemon (Agapostemon) angelicus Cockerell 1924
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 ofA. texanuss. s. striae, image of paralectotype (MCZENT548), provided by Zoe Flores and Crystal Maier of the MCZ. Scale bars: 1 mm.
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. 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. 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. 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.
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. 7. Range maps of specimens examined by the authors. A. Agapostemon angelicus Cockerell, 1924. B. A. subtilior Cockerell, 1898.
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.