Key to the Ingcainyenzane of Southern Africa

1 Timbal extends below wing base, male sternite VIII longer than pygofer, pygofer upper lobe small, barely extending beyond pygofer margin, inhabiting region of Howick in KwaZulu-Natal .......................... I. umgeniensis n. gen., n. sp.

- Timbal not extending below wing base, male sternite VIII about as long as pygofer, pygofer upper lobe lobate, extending as flap-like structure beyond pygofer margin, inhabiting Eastern Cape .............................................. 2

2 Medial operculum margin roughly triangular, pronotum with elongated triangular mark on midline near anterior margin................................................................................... I. irhiniensis n. gen., n. sp.

- Medial operculum margin roughly square, pronotum lacking triangular mark on midline... I. nolukhanyoensis n. gen., n. sp.