Key to identify the nymphs of the subgenus Abaetetuba
1. Metanotum without spines (Fig. 1 D)......................................................................2
1’. Metanotum with spines (Fig. 10 H in Cruz et al. 2017)......................................................... 4
2. One row of setae on basal part of inner-dorsal row of maxilla (similar to Fig. 21 C)................... C. (Ab.) fasciatus
2’. Two rows of setae on basal part of inner-dorsal row of maxilla (Figs 21 A and 21B)................................. 3
3. Inner margin of labial palp segment III tapering towards the base (Fig. 2 G).................. .. C. (Ab.) cochlea sp. nov.
3’. Inner margin of labial palp segment III subparallel to outer margin (Fig. 13 A in Nieto & Cruz 2013)..... C. (Ab.) dominguezi
4. One row of setae on basal part of inner-dorsal row of maxilla (similar to Fig. 21 C)..................... C. (Ab.) sellacki
4’. Two rows of setae on basal part of inner-dorsal row of maxilla (Figs 21 A and 21B)................................ 5
5. Apex of paraglossa rounded and with one tuft of thin setae (similar to figure 6G)....................... C. (Ab.) pollens
5’. Apex of paraglossa truncated and with three tufts of thin setae (similar to figure 1H)................... C. (Ab.) capixaba