*4.3.1 Taxonomy*

The genus *Nezara* proposed by Amyot and Serville in a group 'Rhaphigastrides' with other spices in 1843. In the family Pentatomidae, Kirkaldy (1909) recognized six subgenera in *Nezara*, now all of which are considered as genera. *Nezara viridula* have color variability and wide distribution in the world, resulting in the form of synonyms [104]. Most existing forms of species are two G-type and O-type, *Nezara viridula var. Smaragdula* is G-type with complete green color and *Nezara viridula* var*. torquata* is O-type with green body and anterior yellowish coloration [105]. It belongs to Order: Hemiptera, Suborder: Hetroptera and Family: Pentatomidae.

### *4.3.2 Distribution*

*Nezara viridula*is referred to as worldwide or cosmopolitan distributed as the species and occurs throughout regions (Tropical, Subtropical and Temperate) Also in Australia [106, 107]. The species *Nezara viridula* expands its range constantly, both in Northern and Southern spheres, by natural dispersal and human translocation [108].
