(499 ) 14. New Species of Neuropterous Insects from South Africa (Ephemerida, Megaloptera and Embiidina). By T. ESBEN-PETERSEN. EPHEMERIDA. GEN. ATALOPHLEBIA, Eat. ATALOPHLEBIA PELLUCIDULA u. sp. (Figs. 1 and 2.) $ . Imago. Head and eyes blackish. Thorax castaneous with a longitudinal median streak behind and with yellowish streaks on the FIG. 1. Atalophlebia pellucidulo,, $. Forewing. sides. Abdomen whitish, pellucid ; the segments with narrow blackish hind borders ; sixth segment also with some small dark brown spots near the front margin ; seventh segment with two larger brown spots near the front margin, each enclosing a whitish spot ; in the eighth segment the front half is dark brown with two very small whitish spots close to the front margin ; ninth segment almost com-plete dark brown above. Venter whitish ; the terminal segment somewhat brownish and reddish yelloAV at apex. Forceps greyish white. Setae pale yellowish brown and brownish auuulated. Legs pale yellowish brown. Femora with a narrow and indistinct brownish baud at base, a broad blackish one in the middle and at the tip. Length of tarsal joint of intermediate and hind tibiae as in At. tabularis (Eaton, Monogr. Bee. Eph., pi. x, fig. 16 /i). 39