Two new species of Coryphaeschna from Middle America, and a discussion of the red species of the genus (Anisoptera: Aeshnidae)

C. apeora sp.n. (holotype <J: Costa Rica, Heredia Prov., La Selva, 1-1/2 mi. S. Puerto Viejo, 2-VII-1967; allotype 5 : Costa Rica, Guanacaste Prov., Hacienda Taboga, 27-VII-1967) and C. diapyra sp.n. (holotype â : Costa Rica, Heredia Prov., La Selva, 1-1/2 mi. S Puerto Viejo, 12-VIII-1967; allotype 2: Costa Rica, Guanacaste Prov., Hacienda Taboga, 29-VI-1967; all deposited at FSCA, Gainesville/FL, USA) are described and compared with congeners. Both are widespread in Mexico and Central America, the latter extending into northern South America. In addition, the diagnostic characters and distribution of C. perrensi and i C. amazonica are clarified, and differences among all spp, of the genus are briefly discussed.