Key F: Species of the Sphex malagassus group

1. Pronotum laterally and mesopleuron usually with ferruginous stripe. Female: appressed facial setae pale silvery. Male: clypeus entirely ferruginous (Fig. 120) ................................................... ........................................................................................................ S. malagassus de Saussure, 1890

– Pronotum and mesopleuron black. Female: appressed facial setae rich golden. Male: clypeus black except for lower center (Fig. 119) ........................................................ S. comorensis sp. nov.