It invades and resides in the gaster ( abdomen ) of female hornets where it grows and develops .
Sphaerularia vespae is a endoparasitic nematode that infects the Japanese yellow hornet , Vespa simillima .
Sphaerularia vespae invades and resides in the gaster ( abdomen ) of female hornets where Sphaerularia vespae grows and develops .
Sphaerularia vespae is a endoparasitic nematode that infects the Japanese yellow hornet , Vespa simillima .