pulicide
/ˈpʌlɪsaɪd/ or /ˌpʌlɪˈsaɪd/ (UK) or /ˌpʌlɪˈsaɪd/ (US)
Definitions
1. noun
A person who kills or poisons insects, especially as a pest control professional.
“The pest control company employed a skilled pulicide to eliminate the mosquito infestation in the area.”