Entomology is a branch of zoology that focuses on the study of insects.
It is a taxon based category and covers all the scientific studies which
are related to insects. Some of the common insect categories which are
dealt with in this field are Coleoptera, Lepidoptera, Hymenoptera and
Diptera. One of its major sub-disciplines is economic entomology, which
studies the harmful and beneficial effects of insects on humans and
their activities. Entomology plays a vital role in the study of
biodiversity and in analyzing the environmental quality. This textbook
attempts to understand the multiple branches that fall under the
discipline of entomology and how such concepts have practical
applications. Some of the diverse topics covered herein address the
varied branches that fall under this category. In this book, constant
effort has been made to make the understanding of the difficult concepts
of entomology as easy and informative as possible, for the readers.