Subgenus Helicosmia Thomson, 1872

2037. Osmia aeruginosa Warncke, 1988

2038. Osmia alfkenii Ducke, 1900

2039. Osmia aurulenta (Panzer, 1799)

2040. Osmia breviata Warncke, 1988

2041. Osmia caerulescens (Linnaeus, 1758)

2042. Osmia clypearis Morawitz, 1871

2043. Osmia dimidiata Morawitz, 1870

2044. Osmia dives Mocsáry, 1877

2045. Osmia dusmeti van der Zanden, 1998

2046. Osmia frieseana Ducke, 1899

2047. Osmia heteracantha Pérez, 1895

2048. Osmia inflatipes Müller & Wood, 2025

2049. Osmia labialis Pérez, 1879

2050. Osmia latreillei (Spinola, 1806)

2051. Osmia leaiana (Kirby, 1802)

2052. Osmia madeirensis van der Zanden, 1991

2053. Osmia melanogaster Spinola, 1808

2054. Osmia nasoproducta Ferton, 1909

2055. Osmia niveata (Fabricius, 1804)

2056. Osmia niveocincta Pérez, 1897

2057. Osmia notata (Fabricius, 1804)

2058. Osmia palmae Tkalců, 2001

2059. Osmia sardoa Müller & Wood, 2025

2060. Osmia signata Erichson, 1835

2061. Osmia subcornuta Morawitz, 1875