Type material of poorly known taxa currently placed under the genera Leptagrion Selys and Telagrion Selys is reviewed, illustrated, and correctly associated with currently known specimens in collections. The following changes are made: Leptagrion beebeanum Calvert and Leptagrion fernandezianum Rácenis are placed and keyed in a new genus, Bromeliagrion De Marmels gen. nov.; Bromeliagrion rehni Garrison sp. nov. is described from Ecuador. The following synonymies are proposed: Leptagrion auriceps St. Quentin is a junior synonym of Leptagrion macrurum (Burmeister); Leptagrion autazensis Sjöstedt is a junior synonym of Aeolagrion flammeum (Selys); Leptagrion? rufum Selys is a junior synonym of Anisagrion inornatum (Selys); and Leptobasis tenax St. Quentin is a junior synonym of Telagrion longum Selys.

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Andaeschna gen. n. is established for three neotropical species currently assigned to Aeshna (Aeshna s.str.) Fabricius: Andaeschna unicolor (Martin, 1908) comb. n., A. rufipes (Ris, 1918) comb. n., and A. andresi (Racenis, 1958) comb. n. (type species). A fourth species, Andaeschna timotocuica sp. n., is described from Venezuela. The male lectotype of A. unicolor is redescribed. Andaesehna shares some peculiar character states with the Old World species 'Anaciaeschna' isoceles (Müller, 1767), but a close phylogenetic relationship between the two can not be demonstrated convincingly, and the true generic affiliation of the latter is unknown.

are described and illustrated. All holotypes are deposited at MIZA. Macrothemis heteronycha and Micrathyria paruensis are recorded from Venezuela for the first time, and Micrathyria dunklei for the second. Some of their features are illustrated. Distribution maps of all these species are also presented.

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