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Published in Proceedings of The Biological Society of Washington, in 2004, in volume 117, pages 241

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Published in Proceedings of The Biological Society of Washington, in 1929, in volume 42, pages 1-79

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Published in Proceedings of The Biological Society of Washington, in 1919, in volume 32, pages 169-171

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Published in Proceedings of The Biological Society of Washington, in 1996, in volume 109, pages 602-603

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 97-122

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Published in Proceedings of The Biological Society of Washington, in 1928, in volume 41, pages 97-106

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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 60-61

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Published in Proceedings of The Entomological Society of Washington, in 1977, in volume 79, pages 405-408

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Published in Proceedings of The Biological Society of Washington, in 1932, in volume 45, pages 165-166

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Published in Proceedings of The Biological Society of Washington, in 1968, in volume 81, pages 151-153

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Published in Proceedings of The Biological Society of Washington, in 1967, in volume 80, pages 113-116

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Published in Proceedings of The Biological Society of Washington, in 1892, in volume 7, pages 105-132

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Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 29-43

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Published in Proceedings of The Biological Society of Washington, in 1901, in volume 14, pages 7-22

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Published in Proceedings of The Biological Society of Washington, in 1919, in volume 32, pages 129-132

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Published in Proceedings of The Biological Society of Washington, in 1914, in volume 27, pages 147-148

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Published in Proceedings of the Entomological Society of Washington, in 2001, in volume 103, pages 1011-1019

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Published in Proceedings of The Biological Society of Washington, in 1995, in volume 108, pages 551

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Published in Proceedings of The Biological Society of Washington, in 1991, in volume 104, pages 649

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Published in Proceedings of The Biological Society of Washington, in 1997, in volume 110, pages 327-328

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Published in Proceedings of The Biological Society of Washington, in 1963, in volume 76, pages 197-208

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Published in Proceedings of The Biological Society of Washington, in 1910, in volume 23, pages 101-102

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Published in Proceedings of The Biological Society of Washington, in 1985, in volume 98, pages 1065-1066

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Published in Proceedings of The Entomological Society of Washington, in 1984, in volume 86, pages 1-10

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Published in Proceedings of The Biological Society of Washington, in 1920, in volume 33, pages 181-182

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Published in Madroño, in 2021, in volume 68, issue 1, pages 7-8

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Published in The Auk, in 1892, in volume 9, pages 393-394

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Published in The Auk, in 1899, in volume 16, pages 87-88

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Published in Rhodora, in 1915, in volume 17, issue 195, pages 49-50

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Published in Botanical Gazette, in 1918, in volume 65, issue 3, pages 283-284

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Published in Madroño, in 2006, in volume 53, pages 86

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Published in Proceedings of the Entomological Society of Washington, in 1961, in volume 63, pages 239-245

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Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 243-246

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Published in Journal of The Washington Academy of Sciences, in 1934, in volume 24, pages 331-333

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Published in Proceedings of The Biological Society of Washington, in 1942, in volume 55, pages 95-98

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Published in Madroño, in 1949, in volume 10, issue 3, pages 96

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Published in Ent. News, in 1897, in volume 8, pages 143-146

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