Diversity of Hoverfly (Diptera: Syrphidae) Communities in Different Habitat Types in Zanjan Province, Iran

Table 3

Diversity of hoverfly communities in four different habitat types in Zanjan province.

Habitat types	Species number (S)	Individual number (N)	Species richness index E (Sn)	Evenness index E (1/D)	Diversity index (H′)
River side	19	210	18.4	0.593	3.695
Woodland	15	177	14.86	0.48	3.13
Fruit garden	15	199	14.4	0.398	2.948
Rice field	10	164	9.97	0.397	2.4