Fig. 3

a Histological cross section of K. biedouwense male postabdomen, through the VIIIth segment; bar = 200 μm. b Sagittal section through abdominal tip of K. biedouwense postabdomen; bar = 500 μm. c Sagittal section through abdominal segments VII-IX showing insertion of tubular accessory glands into ductus ejaculatorius; bar = 100 μm. d Cross section through IXth abdominal segment, with the most internal portion of the phallic tube visible – sections of the slcerite hooks phl and phs visible (arrows); bar = 200 μm. ag-l – lateral accessory gland, ag-v – ventral accessory gland, CS9 – subgenital plate, de – ductus ejaculatorius, do – drumming organ, dv – dorsal vessel, g – gut, ga – ganglion, mu – musculature, pl – phallic lobes, sv – seminal vesicle, vd – vas deferens, vo – vomeroid