What does an entomogist study?

Entomology is a Greek Word, derived from it as "entomos" that is which is cut in pieces, "that which in turn cut into pieces or engraved segmented, is a scientific study of insects, a branch of anthropology, which in turn is a branch of zoology. The definition of entomology included the study of terrestrial animals in the arthropod groups of phyla, archanids, myriapods, earthworms, land snails and slugs.

An Entomologist can identify the type and and gender of an insect simply by examining it with the naked eye.