A study was carried out to know the diversity and abundance pollinator fauna on Phalsa, Grewia subinaequalis . a fruiting shrub at Main Experimental Station Horticulture, Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad () during year 2015. A total of nineteen different insect species were found visiting the Phalsa flowers. Thirteen insect species belonging to the families Megachilidae (3 spp), Vespidae (2spp), Apidae (5spp), Halictidae (1sp.), Xylocopidae (2spp.) of the order Hymenoptera have been recognised as active pollinators of Phalsa. Three Dipterans belonging to the family sarcophagidae, Calliphoridae and Syrphidae found to pollinate this fruit crop. Three butterflies which are of Pieridae, Nymphalidae and Amatidae families are found to visit the flowers of the Phalsa. Apis dorsata, A. mellifera, Megachile spp, Halictus Sp. were abundant pollinators. The foraging activity started from April month. The abundance of Halictus sp. was highest with bees/branch/5min followed by Megachile sp. () and ( bees/branch/5min). Dipterans and Lepidopterans were less abundant. | Diversity and abundance of pollinators fauna in phalsa Grewia Subinaequalis
