Megacyllene pictus Townes & Townes, 1960 Megacyllene pictus Dunn, 1936 Megacyllene pictus Beaulne, 1932 Megacyllene pictus Champlain, 1922 Megacyllene pictus Craighead, 1921 Megacyllene pictus Craighead, 1920 Megacyllene pictus Nicolay, 1919 Megacyllene pictus Slosson, 1916 Megacyllene pictus Blatchley, 1910 Megacyllene pictus Daecke, 1910 Megacyllene pictus Champlain, 1909 Megacyllene pictus Fall & Cockerell, 1907 Megacyllene pictus Felt, 1905 Megacyllene picta Hopkins, 1904 Megacyllene pictus Ulke, 1903 Megacyllene picta Dury, 1902 Megacyllene pictus Smith, 1900 Megacyllene pictus Lintner, 1899 Megacyllene pictus Lugger, 1899 Megacyllene pictus Felt, 1898 Megacyllene picta Hopkins, 1898 Megacyllene pictus Wickham, 1897 Megacyllene pictus Webster, 1897 Megacyllene picta Ehrmann, 1897 Megacyllene pictus Britton, 1896 Megacyllene picta Beutenmüller, 1896 Megacyllene pictus Hamilton, 1895 Megacyllene picta Hopkins, 1894 Megacyllene pictus Hopkins, 1893 Megacyllene picta Chittenden, 1893 Megacyllene pictus Lintner, 1892 Megacyllene pictus Gahan, 1892 Megacyllene pictus Packard, 1890 Megacyllene pictus Leng, 1887 Megacyllene pictus Harrington, 1884 Megacyllene pictus Packard, 1883 Megacyllene pictus Reed, 1882 Megacyllene pictus Horn, 1882 Megacyllene pictus Moffat, 1882 Megacyllene picta Packard, 1881 Megacyllene pictus Rogers, 1880 Megacyllene pictus Horn, 1880 Megacyllene pictus Riley, 1880 Megacyllene picta LeConte, 1880 Megacyllene pictus Provancher, 1877 Megacyllene pictus Popenoe, 1877 Megacyllene pictus Packard, 1872 Megacyllene pictus Walsh & Riley, 1869 Megacyllene pictus Walsh, 1867 Megacyllene pictus Walsh, 1866 Megacyllene pictus Walsh, 1865 Megacyllene pictus Walsh, 1865 Megacyllene pictus Walsh, 1864 Megacyllene pictus Fitch, 1863 Megacyllene pictus Walsh, 1863 Megacyllene pictus Horn, 1861 Megacyllene pictus Jaeger, 1859 Megacyllene pictus Kirkpatrick, 1856 Megacyllene pictus Jaeger, 1853 Megacyllene pictus Fitch, 1845
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