Position of setae f1 and relative distances of f1–f1 vs f2–f2 (shown by dashed line) a setae f1 present centrally in Bryobia (Allobia) abbatielloi (Smiley & Baker, 1995) (redrawn from Smiley and Baker 1995) b setae f1 present laterally in Bryobia (Allobia) pritchardi Rimando, 1962 (redrawn from Rimando 1962) c setae f1 present sub laterally in Bryobia (Bryobia) artemisiae Bagdasarian, 1951 (redrawn from Livschits and Mitrofanov 1971).