Spiritiops Lugo-Ortiz & McCafferty, 1998

Nieto, Carolina & Derka, Tomáš, 2012, A new species of the genus Spiritiops Lugo-Ortiz & McCafferty (Ephemeroptera, Baetidae) from the Pantepui biogeographical province, Zootaxa 3256, pp. 58-63 : 59-60

Spiritiops Lugo-Ortiz & McCafferty, 1998

Spiritiops Domínguez et al. 2006 ; Salles & Nieto 2008; Nieto et al. 2011.

Diagnosis. This genus can be distinguished from the other genera of the family by the following combination of characters. In the nymph, 1) labrum, anterior margin with bifid bipectinate setae; 2) mandibles with incisors fused apically, prosthecae robust; 3) right mandible with setae between prostheca and mola, prostheca with transverse bipectinate seta; 4) maxillae with palpi two-segmented, segment II with a constriction; 5) labium with glossae subequal to paraglossae, glossae with a row and paraglossae with 3 rows of spine-like setae, segment II of palpi with slight distomedial projection, segment III small and conical; 6) legs robust, dorsal edge of femora with a row of spine-like setae; 7) tarsal claws with two rows of denticles and with a strong subapical seta; 8) hind wing pads present; 9) posterior margin of paraprocts with spines. In the adults, 1) fore wings with paired long marginal intercalary veins; 2) hind wings with two complete longitudinal veins, and a single marginal vein; 3) costal projection of the hind wings broadly pointed, broad at base and placed in the basal third of anterior margin; 4) forceps three-segmented, second segment basally constricted and third segment elongate and narrow.