Fig. 2

Pollinator’s foraging behaviors on Nitraria tangutorum flowers. a-j Different orders of insect act as pollinators on Nitraria tangutorum flowers. a-c Apidae (Hymenoptera), note the abdomen covered in pollen in (c) (arrow), d Megachilidae (Hymenoptera), e Pteromalidae (Hymenoptera), f Formicidae (Hymenoptera), g Muscidae (Diptera), h Culicidae (Diptera), note its legs covered in pollen (arrow), i Coccinellidae (Coleoptera), j Chrysomelidae (Coleoptera)