xenodiagnosis
xenodiagnóstico → ξενοδιάγνωση
Xenodiagnosis is a diagnostic method used to document the presence of infectious disease microorganisms or pathogens by exposing possibly infected tissue to a vector and then examining the vector for the presence of the microorganisms or pathogens it may have ingested.
https://en.wikipedia.org/wiki/Xenodiagnosis