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Abundance of pollinators from Diptera on Eruca sativa and Brassica rapa in different timings of the day during year 2016–2018. Episyrphus balteatus (LSD = 1.04, P = 0.003), Eristalis tenax (LSD = 1.31, P = 0.006), Eristalis aeneus (LSD = 0.87, P = 0.008), Syrphus ribessi (LSD = 0.721, P = 0.004).
