The entomology is the branch of zoology focused on the study of insects. To understand the concept accurately, in this framework, one must first define what zoology is and what insects are.

It's called zoology the science that examines the animals. An insect, meanwhile, is a type of animal: an arthropod (an invertebrate class ) that has three pairs of legs and one of antennae, has one or two pairs of wings and has a segmented body in the abdomen, thorax and head.

From these ideas, we can affirm that entomology is a scientific discipline whose object of study is insects, which belong to the animal kingdom. The entomology expert is known as an entomologist.

It's believed that insects appeared 400 million years ago, in the Paleozoic Era. The farthest roots of entomology must be found in prehistory, since the human being was always interested in knowing more about these species due to their incidence in crops.

From the nineteenth century, the observations on insects acquired greater formality and rigor and thus entomology was forged. Own Charles Darwin (1809-1882), who postulated the natural selection as a mechanism of biological evolution, dabbled in entomology.

When studies of these animals are carried out based on their own human interest, they talk about applied entomology. This field includes the work carried out to generate knowledge about pest control, disease transmission and the production of wax and honey, for example. The forensic entomology, moreover, is the specialty that focuses on the installed insects on a body to estimate the date of death of the individual.

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