S. Mahunka szerk.: Folia Entomologica Hungarica 48. (Budapest, 1987)

Hysterosoma short but wide, only slightly and gradually narrowed posteriorly, posterior margin flatly rounded. Surface of hysterosoma ornamented by very large alveoli, number (15-16 pairs) of alveoli and teir position seem to be constant (!). Eight pairs of very long and two pairs of very short setae present. Alt long setae directed forwards. Ventral side (Fig. 10): Infracapitulum of gnathosoma short, oblong, palpi scarcely observable, solenidia curved. Apodemes strongly chitinized, ap. sa. short, ending free, far from sejugal apodemes Figs 4-8. Histiostoma dactyloscopicum sp.n. - 4: gnathosoma and the sternal plate, 5: leg I, 6: leg II, 7:: leg HT, 8: leg TV Figs 9-10. Histiostoma magdolnae sp.n. - 9: dorsal side, 10: ventral side