The Entomology (from Ancient Greek ἔντομον (entomon), meaning insect, and -λογία (-logia), meaning study of) is the scientific study of insects, a branch of zoology.
In the past the term "insect" was more
vague, and historically the definition of The Entomology included the
study of terrestrial animals in other arthropod groups or other phyla,
such as arachnids, myriapods, earthworms, land snails, and slugs. This
wider meaning may still be encountered in informal use.