Nathaliagrion gen. nov.

Figs. D, 59–66.

Type species: Nathaliagrion porrectum Selys, 1876 by present designation.

Etymology: Named Nathalia after Nathalia Rodrigues Lencioni (b. 26.vii.2000) my beloved daughter + agrion, neuter form of agrios (ἄγριος) meaning “wild”, which in damselflies is now used as an indicator that the genus belongs to the Coenagrionidae (Fliedner 2006) .

Generic characterization. Large Coenagrionidae (61–69 mm), pale postocular spots and pale occipital bar absent, rear of the head pale, cerci longer than S10, basal 1/2 of cerci roughly cylindrical flattened laterally, apical 1/2 bifurcated, dorsal branch simple with tip covered with brush-like setae, ventral branch bifurcated and directed medially, posterior section of ventral branch wider and with a heavily chitinized tip, anterior section narrow, and nail shaped, paraproctus vestigial (plate-like) and ental surface of penis S3 with a long filament.

Distribution. Brazil (Atlantic Forest in Brazil from Bahia to Santa Catarina).