Entomologist (noun)

A person who studies or is an expert in entomology.

Origin:

Late 19th century: from french entomologiste, from entomologie (see entomology) + -iste.

Examples:

1. The entomologist was fascinated by the intricate design of the insect's wings.
2. She consulted the entomologist for his expert opinion on the species of the butterfly.
3. The entomologist's research helped to control the population of crop-damaging pests.
4. The museum hired an entomologist to curate its collection of insects.
5. The entomologist's work has provided valuable insights into the evolution of insects.