http://dx.doi.org/10.11646/zootaxa.3866.4.9

http://zoobank.org/urn:lsid:zoobank.org:pub:D1DB8398-EC11-41FE-96FF-AEC5F475E696

Two new species of Apobaetis Day, 1955 (Ephemeroptera: Baetidae) from Brazil. Zootaxa 3866 (4): 591–599.

Diagnosis. Mature nymph (Cruz & De-Souza 2014). 1) distal margin of labrum medially with spatulate setae; 2) maxillary palp 1.80× length of galea-lacinia; 3) segment II of maxillary palp without apical constriction; 4) apical margin of lingua straight; 5) segment II of labial palp with distomedial projection rounded and with anterior margin straight; 6) segment III rectangular, length 0.71× width; 7) tarsal claw 1.25× length of tarsus; 8) posterior margin of abdominal terga without spines ; 9) paraproct with four marginal spines.

Coordenadas: S21º 47’55.0’’/ W043º49’27.7’