Psen longicornis Fox, 1898:8, ♂. Holotype ♂, Florida (leg. Mrs. Slosson). - Malloch, 1933Malloch, J.R. 1933. Review of the wasps of the subfamily Pseninae of North America (Hymenoptera: Aculeata). Proceedings of the United States National Museum 82:1-60. (distribution). - As Mimumesa longicornis: - Alayo, 1976Alayo, P.D. 1976. Introducción al estudio de los Himenópteros de Cuba - Superfamilia Sphecoidea. Academia de Ciencias de Cuba, Instituto de Zoologia, Serie Biologica 67:1-46. (distribution); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139. (distribution); Genaro, 2006Genaro, J.A. 2006. Checklist and distribution patterns of apoid wasps (Hymenoptera: Apoidea: Sphecidae and Crabronidae) of Cuba. Zootaxa 1171:47-68. (distribution); Jacobs & Kroupa, 2007Jacobs, H.-J. & A. Kroupa 2007. Mimumesa longicornis (W. FOX 1898), Trypoxylon attenuatum SMITH, 1851 und T. clavicerum LEPELETIER & SERVILLE 1828 - neu auf den Azoren (Hymenoptera, Crabronidae). Linzer Biologische Beiträge 39 (1):323-329. (distribution); Bitsch, 2014Bitsch, J. 2014. Sphéciformes nouveaux ou peu connus de la faune de France et d’Europe occidentale (Hymenoptera, Aculeata). Bulletin de la Société entomologique de France 119 (3):391-419. (distribution).
Mimesa striatus Viereck, 1901:339, ♀. Holotype ♀, Westville, N.J., August 30, 1899 (H.L. Viereck, leg. H.L. Viereck). - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1597 ( listed as synonym of Mimumesa longicornis (Fox, 1898)); Genaro, 2006Genaro, J.A. 2006. Checklist and distribution patterns of apoid wasps (Hymenoptera: Apoidea: Sphecidae and Crabronidae) of Cuba. Zootaxa 1171:47-68.:57 ( listed as synonym of Mimumesa longicornis (Fox, 1898)). - As Mimesa striata: - Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139.:54 ( listed as synonym of Mimumesa longicornis (Fox, 1898)). - As Psen striatus: - Malloch, 1933Malloch, J.R. 1933. Review of the wasps of the subfamily Pseninae of North America (Hymenoptera: Aculeata). Proceedings of the United States National Museum 82:1-60. (distribution).
Psen floridana Rohwer, 1910:102, ♀. Holotype ♀, Biscayne Bay, Florida (U. S. National Museum, No. 12360). Synonymized with Psen longicornis Fox, 1898 by Malloch, 1933Malloch, J.R. 1933. Review of the wasps of the subfamily Pseninae of North America (Hymenoptera: Aculeata). Proceedings of the United States National Museum 82:1-60.:23. - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1597 ( listed as synonym of Mimumesa longicornis (Fox, 1898)); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139.:54 ( listed as synonym of Mimumesa longicornis (Fox, 1898)); Genaro, 2006Genaro, J.A. 2006. Checklist and distribution patterns of apoid wasps (Hymenoptera: Apoidea: Sphecidae and Crabronidae) of Cuba. Zootaxa 1171:47-68.:57 ( listed as synonym of Mimumesa longicornis (Fox, 1898)).