Ectoparasite used in a sentence

Ectoparasite in a sentence as a noun

An alternative theory has been that plague could spread through human ectoparasites, and we found a novel way to test that theory.

Susceptibility to ectoparasite attack is discussed in relation to short coat hair, disease transmission and blood loss.

The Wikipedia article has more detail:Typically, both male and female mosquitoes feed on nectar and plant juices, but in many species the mouthparts of the females are adapted for piercing the skin of animal hosts and sucking their blood as ectoparasites.