Seventeen species of Rickia are reported from Sulawesi. Five are descr
ibed: R. corylophidorum, R. mammillata, R. pocadii, R. serrulata, and
R. sphindidorum. The slime mould feeding beetle family Sphindidae is r
eported for the first time as host for a species of the Laboulbeniales
and R. minuta is recorded for the first time from a beetle, this spec
ies previously being known to parasitize only mites. For each of the r
eported species a detailed description with information on the known g
eographical distribution and host range is presented along with illust
rations and a key to identification.