Measuring diversity and density of insect pollinators on coriander, Coriandrum sativum Lby different sampling methods

The diversity and abundance of insect visitors on coriander, Coriandrum sativum L were studied at Dr YS Parmar University of Horticulture and Forestry Nauni, Solan. A total of 39 insect visitors belonging to 31 genera under 18 families and 8 orders were found to visit the coriander bloom. Order Diptera formed 94 per cent of the insect visitors in scan sampling; Episyrphus balteatus and other syrphids were significantly higher. Relative abundance (by scan sampling) and diversity (by sweep net method) in general were statistically higher at 1000 h than at 1200 and 1500 h.