1. Paraprocts setose and partially fused; longest setae on apical cercal segments about 1/2 as long as segments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Zealeuctra claasseni
2. [undescribed] If not as above, rear to adult for identification. . . . . . . . . . . . Z. fraxina
Zealeuctra nymphs are uncommon in collections and only one species has been described in detail [Z. claasseni; Stewart and Stark 2002](Grubbs, et al. 2013)
Mature nymphs of 7 of the 8 North American species are undescribed (Stewart & Stark, 2002)
For a full description of Z. claasseni and drawing (habitus, see below) of mature nymph, see Stewart & Stark (2002). A drawing of the first instar Z. claasseni is presented in Snellen & Stewart (1979).
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