Eleutherodactylus rayo (Savage & DeWeese 1979). "The name is an allusion to Roy W. McDiarmid, who first collected the species, as recognition for his work on the Costa Rican herpeto-fauna." El Rayo est un surnom pour Roy McDiarmid.
Drymaeus rex (Breure 2009). ""Roy" is the old French word for king, but also the Anglicized spelling of a nickname from Scottish Gaelic ruadh (red, referring to the reddish apex in some specimens. The name also refers to the majestical appearance of this species when collected alive."
Breure, Abraham S. H. 2009. New Orthalicidae (Mollusca, Gastropoda) from Venezuelan Guayana: unravelling secrets from the Lost World. Zootaxa 2065: 25-50.
Bursey, Charles, & Stephen R. Golberg. 2007. A new species of Oxyascaris (Nematoda, Cosmocercidae) in the Costa Rice brook frog, Duellmanohyla uranochroa (Anura, Hylidae). Act Parasitologica 52(1): 58-61.
Cisneros-Heredia, Diego F., Pablo J. Venegas, Marco rada, & Rainer Schulte. A new species of glassfrog (Anura: Centrolenidae) from the foothill Andean forests of Ecuador and Peru. Herpetologica 64(3): 341-353.
Savage, J., & James E. DeWeese. 1979. A new species of Leptodactylid frog, genus Eleutherodactylus, from the Cordillera de Talamanca, Costa Rica. Bulletin of the Southern California Academy of Science 78(2): 107-115.
McDiarmid est l’abréviation habituelle de Roy Wallace McDiarmid en zoologie.