(male shown), is the host for M. procer''. The species is a
parasitoid of the
scarabaeid Atlas beetle,
Chalcosoma atlas. The wasp paralyzes a beetle grub with its sting, then lays an egg on it and buries it in an underground cell. When the wasp larva hatches, it consumes its still-living host before pupating inside its remains. == Subspecies ==