98 Agapostemon — Didonia. 
virescens (Fabr) D. T. — 9 (5$ — Am. bor. 
Apis virescens Fabricius, System. entom. 1775 p. 378 n. 12. 
Andrena virescens Fabricius, Spec. Insect. I. 1781 p. 474 n. 16. 
Andrena virescens Fabricius, Mant. Insect. I. 1787 p. 299 n. 15. 
Andrena virescens Olivier, Encycl méthod. Insect. IV. 1789 p. 137 n. 23. 
Apis (Andrena) virescens Gmelin, Linné: Syst. nat. Ed. 13* L. 5. 1790 p. 2792 n. 185. 
Apis virescens Christ, Naturg. d. Insect. 1791 p. 154. 
Andrena nigricornis Fabricius, Entom. system. IL. 1793 p. 313 n. 28, i$. 
Andrena virescens Fabricius, Entom. system. II. 1793 p. 314 n. 29, C. 
Andrena nigricornis Coquebert, Illustr. iconogr. Insect. IT. 1801 p. 63; T. 15 F. 7. 
Megilla virescens Fabricius, Syst. Piez. 1804 p. 333 n. 23, Q. 
Centris nigricornis Fabricius, Syst. Piez. 1804 p. 360 mn. 33, 35. 
Megilla virescens Illiger, Magaz. f. Insectenk. V. 1806 p. 143. 
Hylaeus nigricornis Klug, Magaz. f. Insectenk. VI. 1807 p. 225. 
Hylaeus nigricornis Klug, Magaz. Ges. naturf. Fr. Berlin II. 1808 p. 57 n. $5. 
Halictus nigricornis Say, Boston Journ. Nat. Hist. L. 4. 1837 p. 394 n. 1. 
Halictus dimidiatus Lepeletier, Hist. nat. Insect. Hymén. II. 1841 p. 283 n. 24, Q. 
Halietus tricolor Lepeletier, Hist. nat. Insect. Hymén. II. 1841 p. 289 n. 33, 3$. 
Agapostemon nigricornis Smith, Catal Hymen. Brit. Mus. I. 1853 p. 86 n. f. 
Agapostemon tricolor Smith, Catal. Hymen. Brit. Mus. I. 1853 p. 86 n. 2. 
Halietus nigricornis Leconte, Writ. of Th. Say Entom. II. 1859 p. 772 n. 1. 
Augochlora tricolor Cresson, Trans. Amer. Entom. Soc. IV. 1872 yp. 255. 
Agapostemon tricolor Provancher, Natural. Canad. XIII. 1882 p. 2035. 
Agapostemon tricolor Provancher, Faun. entom: Canada. Hymén. 1883 p. 705. 
Agapostema virescens m. 
viridulus (Fabr. D. T. — 9 , — Am.: Cuba. 
Apis viridula Fabricius, Entom. system. II. 1793 p. 342 n. 121. 
Megilla viridula Fabrieius, Syst. Piez. 1804 p. 333 n. 25. 
Megilla viridula Illiger, Magaz. f. Insectenk. V. 1806 p. 143. 
Hylaeus viridula Klug, Magaz. Ges. naturf. Fr. Berlin II. 1808 p.55 n. 79. (T. 53 F. 1 (3). 
Andrena (Agapostemon) femoralis Guérin, Iconogr. regn. anim. VII. Insect. 1545 p. 447 n.1; 
Andrena femoralis Lucas, Sagra: Hist. fis. Cuba VII. 1856 p. 775, $; T. 19 F. 7. 
Agapostemon femoralis Cresson, Proc. Entom. Soc. Philadelphia IV. 1865 p. 173, jj. 
Agapostemon viridulus m. 
STENOTRITUS 
Smith, Catal. Hymen. Brit. Mus. I. 1853 p. 119 n. 24. 
crtvóg, angustus; roíros, tertius. 
elegans Smith — 9 — Austr. 
Stenotritus elegans Smith, Catal. Hymen. Brit. Mus. I. 1853 p. 119 n. !, C. 
smaragdinus Smith — € — Austr. 
Stenotritus smaragdinus Smith, Trans. Entom. Soc. London 1868 p. 254, €. 
Stenotritus smaragdinus Smith, Brenchley: Cruise of the Curacoa 1873 p.?, €; T. 45 F.6 
DIDONIA 
Gribodo, Bull. soc. entom. Ital. XXVI. 1894 p. 1006. 
Dido, nom. propr. 
puniea Grib. — Q — Afr.: Algeria. 
Didonia Punica Gribodo, Bull. soc. entom. Ital. XXVI. 1894 p. 107, €. 




