blood worm

noun5

1. •
   A larva of any chironomid midge in the (family Chironomidae).
2. •
   Any polychete worm of genus Glycera.
3. •
   A blackworm of species Lumbriculus variegatus.
4. •
   A roundworm of species Strongylus vulgaris, a common parasite of horses.
5. •
   A parasitic roundworm of species Angiostrongylus cantonensis.