Notogonia praedatrix Strand, 1910:159 - As Larra bicolor predatrix: - Silvestre et al., 2014Silvestre, R., M.F. Demétrio, B.M. Trad, F. Varussa & O. Lima 2014. Diversity and distribution of Hymenoptera Aculeata in Midwestern Brazilian dry forests. In: Greer, F.E. (Ed.). Dry Forests. 29-80. (distribution). - As Larra praedatrix: - 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); Rasmussen & Asenjo, 2009Rasmussen, C. & A. Asenjo 2009. A checklist to the wasps of Peru (Hymenoptera, Aculeata). ZooKeys 15:1-78. (distribution).
Larra paraguayana Strand, 1910:138 - 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.:39 ( listed as synonym of Larra praedatrix (Strand, 1910)).
Notogonia gastrifera Strand, 1910:160 - 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.:39 ( listed as synonym of Larra praedatrix (Strand, 1910)).
Larra pacifica Williams, 1928:55 - 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.:39 ( listed as synonym of Larra praedatrix (Strand, 1910)).