| Answer | Crossword Clue |
|---|---|
| bloodsuckers | An animal or insect that sucks blood, esp. a leech or a mosquito |
| bloodsucker | An animal or insect that sucks blood, esp. a leech or a mosquito |
| hematophagous | (of an animal, esp. an insect or tick) Feeding on blood |
| pheromones | A chemical substance produced and released into the environment by an animal, esp. a mammal or an insect, affecting the behavior or physiology of others of its species |
| intravascular | Situated or occurring within a vessel or vessels of an animal or plant, esp. within a blood vessel or blood vascular system |
