Apobaetis
Creators: name: Cruz, Paulo Vilela
name: De-Souza, Marcia Regina
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Ephemeroptera
Baetidae
Apobaetis

description: Key to known nymphs of Apobaetis (Adapted from Nieto 2006)
1 Tarsal claws longer than tarsi........................................................................... 2
1’ Tarsal claws shorter than tarsi............................................................................ 5
2 (1) Segment III of labial palp subrectangular (Figs. 9, 21)........................................................ 3
2’ Segment III of labial palp subtriangular (see Cruz et al. 2011, Fig. 16)........................................... 4
3 (2) Segment II of maxillary palp without constriction (Fig. 7); segment II of labial palp with straight distomedial projection (Fig. 9); paraproct with four marginal spines (Fig. 12)............................................ A. kethepiali sp. nov.
3’ Segment II of maxillary palp with constriction (Fig. 19); segment II of labial palp with pointed distomedial projection (Fig. 21); paraproct with one pointed marginal spine (Fig. 23)......................................... A. pucupi sp. nov.
4 (2’) Segment II of labial palp with strongly rounded distomedial projection (see McCafferty 2000, Fig. 5); distal margin of labrum with simple setae (see McCafferty 2000, Fig. 1); paraproct with seven marginal spines (see McCafferty 2000, Fig. 7).................................................................................................... A. lakota
4’ Segment II of labial palp with an apically pointed distomedial projection (see Cruz et al. 2011, Fig. 16); distal margin of labrum with spatulated setae (see Cruz et al. 2011, Fig. 11); paraproct with 13–15 marginal spines (see Cruz et al. 2011, Fig. 24)........................................................................................ A. hamadae
5 (1’) Segment III of labial palp subrectangular (see Lugo-Ortiz & McCafferty 1997, Fig. 6).............................. 6
5’ Segment III of labial palp subtriangular (see Nieto 2006, Fig. 12)............................................... 8
6 (5) Labrum, anterior margin with blunt setae near midline (see Nieto 2006, Fig. 4 b).............................. A. fiuzai
6’ Labrum, anterior margin without blunt setae near midline (see Nieto 2006, Fig. 6 b)................................. 7
7 (6’) Segment II of maxillary palp with apical constriction (see Day 1955, Fig. 5)............................... A. etowah
7’ Segment II of maxillary palp without apical constriction (see Lugo-Ortiz &McCafferty 1997, Fig. 5)........... A. signifer
8 (5’) Maxillary palp long, at least 1.5× length of galea-lacinia (see Nieto 2006, Fig. 35); dorsal margin of femora with blunt setae (see Nieto 2006, Fig. 38).......................................................................... A. niger
8’ Maxillary palp shorter, subequal to galea-lacinia (see Nieto 2006, Fig. 23); dorsal margin of femora without blunt setae (see Nieto 2006, Fig. 26).................................................................................. 9
9 (8’) Labrum with a deep medial emargination (see Nieto 2006, Fig. 6 a); segment II of labial palp with distomedial projection api- cally rounded (see Nieto 2006, Fig. 12)............................................................ A. insolitus
9’ Labrum with a shallow medial emargination (see Nieto 2006, Fig. 19); segment II of labial palp with distomedial projection apically pointed (see Nieto 2006, Fig. 25)........................................................ A. kallawaya
description: Published as part of Cruz, Paulo Vilela & De-Souza, Marcia Regina, 2014, Two new species of Apobaetis Day, 1955 (Ephemeroptera: Baetidae) from Brazil, pp. 591-599 in Zootaxa 3866 (4) on page 598, DOI: 10.11646/zootaxa.3866.4.9, http://zenodo.org/record/226604