| 1951 |
MSc. | Tomas Obert | Bratislava | Slovakia | N/G | Jul 20, 2020 |
| 1952 |
Dr | João Nogueira | São Paulo | Brazil | N/G | Jul 20, 2020 |
| 1953 |
Dr | Natalia von Ellenrieder | Sacramento | USA | N/G | Jul 20, 2020 |
| 1954 |
Ms | Tuane Letícia Carvalho | SANTA MARIA | Brazil | N/G | Jul 20, 2020 |
| 1955 |
Mr | N Muthu Mohammed Naha | Ernakulam | India | N/G | Jul 20, 2020 |
| 1956 |
Dr. | Viktor Hartung | Hamburg | N/G | N/G | Jul 20, 2020 |
| 1957 |
Ms | Patricia Gueratto | Campinas | Brazil | N/G | Jul 20, 2020 |
| 1958 |
Ms. | Tiia Haapalainen | Burnaby | Canada | N/G | Jul 20, 2020 |
| 1959 |
Dr. | Charlotte Seid | La Jolla | USA | N/G | Jul 20, 2020 |
| 1960 |
Dr | Christian Printzen | Frankfurt am Main | Germany | View | Jul 20, 2020 |
| 1961 |
Dr. | Gustavo Spinelli | Manuel B. Gonnet | Argentina | View | Jul 20, 2020 |
| 1962 |
N/G | Anonymous | San Diego | USA | N/G | Jul 20, 2020 |
| 1963 |
Dr. | Anonymous | Port Blair | India | View | Jul 20, 2020 |
| 1964 |
Dr. | Juan Martín Ferro | Posadas | Argentina | N/G | Jul 20, 2020 |
| 1965 |
Dr | Rodrigo Kruger | Pelotas | N/G | N/G | Jul 20, 2020 |
| 1966 |
Prof | Bruno Sabelli | Bologna | N/G | N/G | Jul 20, 2020 |
| 1967 |
Dr | Luiz Tavares | Campo Grande | Brazil | N/G | Jul 20, 2020 |
| 1968 |
Mrs | Valia Herrera Alva | Comas | Peru | View | Jul 20, 2020 |
| 1969 |
Mr | Hsing-Che Liu | Hsinchu County | Taiwan | View | Jul 20, 2020 |
| 1970 |
Dr. | Franco Andreone | Torino | Italy | N/G | Jul 20, 2020 |
| 1971 |
Mr. | Vishwadeep Rout | Bhubaneswar | India | N/G | Jul 20, 2020 |
| 1972 |
Dr. | Kirstern Haseyama | Belo Horizonte | Brazil | N/G | Jul 20, 2020 |
| 1973 |
N/G | Antonio Parra | Valdivia | Chile | N/G | Jul 20, 2020 |
| 1974 |
Dr | Blanca Rios | Quito | Ecuador | N/G | Jul 20, 2020 |
| 1975 |
N/G | Dany Burgess | Olympia | USA | N/G | Jul 20, 2020 |
| 1976 |
M.Sc.Entomology | Paride Dioli | sondrio | Italy | N/G | Jul 20, 2020 |
| 1977 |
Dr. | Michael Skvarla | University Park | USA | N/G | Jul 20, 2020 |
| 1978 |
Sra | Elaine Pinto | São Paulo | Brazil | Hidden | Jul 20, 2020 |
| 1979 |
Ms. | Bryce Perog | Lake Forest | USA | N/G | Jul 20, 2020 |
| 1980 |
Dr | Enrique Bernàrdez | Copiapò | Chile | N/G | Jul 20, 2020 |
| 1981 |
N/G | Devin Edmonds | Urbana, IL | USA | N/G | Jul 20, 2020 |
| 1982 |
Dr. | José Guadalupe Martínez Hernández | Cuernavaca | Mexico | N/G | Jul 20, 2020 |
| 1983 |
Ms. | Iris Costa | Horta | Portugal | View | Jul 20, 2020 |
| 1984 |
N/G | Javier Signorelli | PUERTO MADRYN | Argentina | N/G | Jul 20, 2020 |
| 1985 |
Dr | Svetlana Nikolaeva | Moscow | Russia | View | Jul 20, 2020 |
| 1986 |
Dr. | David Chamé | Tapachula | Mexico | N/G | Jul 20, 2020 |
| 1987 |
Ms | Anonymous | Puerto Vallarta | Mexico | N/G | Jul 20, 2020 |
| 1988 |
Dr. | Martin Fikacek | Praha | Czech Republic | N/G | Jul 20, 2020 |
| 1989 |
Mr. | Anonymous | Eckersdorf | Germany | N/G | Jul 20, 2020 |
| 1990 |
Mrs | Erica Vidal | Matinhos | Brazil | Hidden | Jul 20, 2020 |
| 1991 |
N/G | Leonardo Ferreira-Sousa | Brasília | Brazil | N/G | Jul 20, 2020 |
| 1992 |
Dr. | Jacopo Amalfitano | N/G | Italy | N/G | Jul 20, 2020 |
| 1993 |
N/G | Estefany Caroline Guevara Molina | São Paulo | Brazil | N/G | Jul 20, 2020 |
| 1994 |
Mr | Gustavo Pisso | Popayán | Colombia | N/G | Jul 20, 2020 |
| 1995 |
Dr. | Daniel Lauretta | Buenos Aires | Argentina | N/G | Jul 20, 2020 |
| 1996 |
Ms | Sonia Cortés | Manizales | Colombia | N/G | Jul 20, 2020 |
| 1997 |
Me. | Viviana Andrea Ramírez Castaño | Caldas | Colombia | N/G | Jul 20, 2020 |
| 1998 |
Ms | Ariane Campos | Jundiaí | Brazil | N/G | Jul 20, 2020 |
| 1999 |
Dr | Edmundo González-Santillán | Mexico City | Mexico | View | Jul 20, 2020 |
| 2000 |
Mr | Anonymous | Medellín | Colombia | N/G | Jul 20, 2020 |