Entomology, from the Greek: entomo-/εντομο- "that which is cut in pieces or engraved/segmented", hence "insect"; and logos/λόγος, "knowledge", is the scientific study of insects.

Like several of the other fields that are categorized within zoology, entomology is a taxon-based category; any form of scientific study in which the organisms studied happen to be insects is, by definition, entomology. Entomology therefore includes a cross-section of topics as diverse as molecular genetics, behavior, biomechanics, biochemistry, systematics, physiology, developmental biology, ecology, morphology, paleontology, anthropology, robotics, agriculture, nutrition, and more.

Entomology has even entered popular modern culture. Gil Grissom on the CSI: Crime Scene Investigation TV show is an entomologist, who is played by actor William Petersen.

The large group of arthropods and diverse group of animals on the World are called Insects (Includ in scientific class Insecta). The approximate number of various inscets are : 5,000 dragonfly species, 1,20,000 fly, 2,000 praying, 20,000 grasshopper, 1,70,000 butterfly and moth, 82,000 true bug, 360,000 beetle, and 110,000 bee, wasp and ant species. Adult modern insects range in size from a 0.139 millimetre Mymarid wasp (Dicopomorpha echmepterygis) to a 55.5 centimetre long Stick insect (Phobaeticus serratipes). The heaviest documented insect is a Giant Weta (at 70 grams), but other possible candidates include the Goliath beetles Goliathus goliatus, Goliathus regius and Cerambycid beetles such as Titanus giganteus, though no one is certain which is truly the heaviest.


Field Kits Grissom Might Use-


Grissom talking about bugs with Catherine