Key to species of Pimplomorpha in Madagascar

1 Hind wing with vein Cu1 hardly distinct as a fold...................... P. mahafaty Rousse, Villemant et Seyrig sp. nov.

- Hind wing with vein Cu1 distinct throughout its length, reaching wing apex....................................... 2

2(1) Ovipositor moderately long (OTi <2.4), 1/Cu usually (80%) shorter than cu- a, sometimes subequal to cu-a (Fig. 9 a).............................................................................................. P. dolini Narolsky

- Ovipositor longer (OTi> 2.4), 1/Cu equal to cu-a (Fig. 9 e)................ P. quilicii Rousse, Villemant et Seyrig sp. nov.