Key to the Brazilian and South African species of Lupaeus gen. nov.

1. Basifemur II with 5 setae ..............................................................................................................................................2

- Basifemur II with 6 setae .............................................................................................................................................3

2. Dorsal shield with subcuticular punctations. ........................................................................... Lupaeus lectus sp. nov.

- Dorsal shield with transverse lobes ................................................................................ Lupaeus lobidorsalis sp. nov.

3. Dorsal shield completely covered by lobes .......................................................... Lupaeus clarae (Den Heyer, 1981b)

- Dorsal shield almost smooth except some lobes present around the sensillar bases...................................................... ............................................................................................................................. Lupaeus martini (Den Heyer, 1981b)