Key to the female of known species in Spinomarmessoidea

1. Granulose head with 6 large spines............................................................... S. sharonae

- Granulose head without large spines...................................................................... 2

2. Mesonotum with a large swelling of spines on a common base............................................. S. raja

- Mesonotum with short spines arranged longitudinally and not swelling on a common base......... S. damingensis sp. nov.