Nilothauma bilobatum sp. n. pupa. 33 frontal apotome 34 female abdomen, dorsal view 35 abdominal segment VIII, showing variation of tergal spinulation 36–38 anal comb of abdominal segemnt VIII, showing variation 39 the ventral view of abdomen IV–VIII 40 the ventral view of abdomen VIII, showing variation of sternal spinulation.