Table 1 in First instar nymphs of two peltoperlid stoneflies (Insecta, Plecoptera, Peltoperlidae)

Table 1. Measurements of the fixed specimens of first instar nymphs of Microperla brevicauda and Yoraperla uenoi.
Microperla brevicaudaYoraperla uenoiSpecimens examined55Body length (µm)623.5 ± 12.3574.1 ± 6.0Antennal length (µm)402.3 ± 53.5282.3 ± 32.2Head length (µm)115.3 ± 10.996.5 ± 6.0Head width (µm)180.0 ± 2.9217.6 ± 8.3Pronotum length (µm)72.9 ± 6.082.4 ± 6.4Pronotum width (µm)171.8 ± 4.4236.5 ± 12.0Pronotum width / Body length0.27 ± 0.010.41 ± 0.02Abdominal width (um)114.1 ± 2.9156.47 ± 2.9Cercus length (µm)195.3 ± 14.6160.0 ± 6.9