Odynerus nasidens Latreille, 1817: 112 Odynerus brevithorax Odynerus simplicicornis de Saussure, 1855: 253 Odynerus Epsilon Willink 1972: 70 P. nasidens (Latreille)) Odynerus brachygaster Guérin-Méneville 1857: 771 Odynerus auratus de Saussure, 1858: 166 Odynerus Epsilon Odynerus nasidens Odynerus nasidens var. minor de Saussure, 1875: 233 Bohart 1951: 892 P. nasidens (Latreille)) Odynerus magdalenae Kriechbaumer, 1900: 98 Schulz 1904: 260 Odynerus nasidens Pachodynerus nasidens Brèthes 1906: 345 Wolcott 1936: 568 Pachodynerus simplicicornis Bertoni 1911: 112 Odynerus clavilinatus Cameron, 1912: 222 Willink 1972: 69 O. clavilineatus P. nasidens Wolcott Vespidae (Insecta: Hymenoptera) of Puerto Rico, West Indies Genaro, Julio A. Insecta Mundi 2011 2011-12-16 2011 202 1 35 4BPSG (Latreille) Latreille 1812 [192,664,204,228] Insecta Eumenidae Pachodynerus Animalia Hymenoptera 13 12 Arthropoda species nasidens    Odynerus nasidensLatreille, 1817: 112, pl. 15 fig. 1-2, female (MZST).   Odynerus brevithorax; de Saussure 1853a: pl. 17 fig. 9. Misidentification.     Odynerus simplicicornisde Saussure, 1855: 253, male (in subgenus  Odynerus, division  Epsilon) � “L’ile de Cuba” (MNHN). �  Willink 1972: 70, 72 (syn. of  P. nasidens(Latreille)).    Odynerus brachygaster; Lucas in  Guérin-Méneville 1857: 771, pl. 19 fig. 6 ( Cuba). Misidentification.     Odynerus auratusde Saussure, 1858: 166, female (in subgenus  Odynerus, division  Epsilon) � “Le Mex� ique” ( typedepository unknown); 1875: 233 (syn. of  Odynerus nasidens).     Odynerus nasidensvar. minorde Saussure, 1875: 233, male, female (MHNG). �  Bohart 1951: 892(syn. of  P. nasidens(Latreille)).     Odynerus magdalenae Kriechbaumer, 1900: 98, 105, pl. 1 fig. 8, female - “Columbien: Puerto Berrio am R. Magdalena” (ZSMU). �  Schulz 1904: 260(syn. of  Odynerus nasidens).    Pachodynerus nasidens;  Brèthes 1906: 345fig. 21. -   Wolcott 1936: 568( Pachodyneurus[!]); 1941: 156 ( Pachodyneurus[!]); 1951: 861.    Pachodynerus simplicicornis;  Bertoni 1911: 112.     Odynerus clavilinatus Cameron, 1912: 222, female nonmale � “ British Guiana” ( holotypefemale BMNH). �  Willink 1972: 69, 72 (  O. clavilineatus[!]; female type is syn. of  P. nasidens). This species is widespread, occurring throughout South and Central America, and widely adventive in the Pacific Basin (Menke 1986; Yamane et al. 1996; Willink and Roig-Alsina 1998). Numerous pub� lications have dealt with the biology of this species, including detailed studies of population dynamics in Jamaica( Freeman and Jayasingh 1975a, b; Jayasingh and Taffe 1982). Its proclivity for nesting in pre�existing cavities is indicated by the common name “keyhole wasp” in Hawaii, and which has doubt� less aided its spread by humans.  Wolcott(1941, 1951) published some flower visiting records in Puerto Rico.