Anterior half of subgenital plate (sternite S7) of females of Attaphila species, shape of sternal transversal ridge, phase contrast images (same objects as shown in Figs 16, 17, except for Bo 1236 in F). A, B: A. aptera (Bo 1225, Bo 1253). C, D: A. bergi (Bo 1275, Bo 1282). E, F: A. fungicola (Bo 1264, Bo 1236). G: A. multisetosa (HT Bo 1270). H, I: A. paucisetosa (Cb 2/2, PT Bo 1255). J, K: A. schuppi (ST Bo 1234, ST Bo 1237). L: A. sexdentis (HT Bo 1233). M, N: A. sinuosocarinata (PT Bo 1287, HT Bo 1273). ― Abbreviations and symbols: sr7 transversal ridge of subgenital plate S7; short interruptions of this ridge indicated by arrows, larger gaps delimited by double bars.