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Ridens mercedes ♂ PARATYPE genitalia, original illustration MEXICO: Guerrero, Filo de Caballo, 2300m (SRS-1073) Image from: Steinhauser, Stephen Rogers 1983. Notes on Ridens Evans, 1952 with description of a new species from Mexico. Bulletin of the Allyn Museum 79: 1-7, 6 figs. (7 March); f. 6 |