Measurements of sclerotised organs.

A. lamellodisc, B. dorsal bar, C. ventral bar, D. dorsal anchor: a. total length, b. shaft-point distance, c. guard-point distance, E. ventral anchor: a. total length, b. shaft-point distance, c. guard-point distance, d. shaft-guard distance, f. shaft length, g. guard length, F. MCO: s. simple piece total length, paired piece: bp. basal part, ab. axial branch, lb. lateral branch.