OUT OF 19,000 species of wild bee in the world (Linsley, 1958) only two, the leaf-cutting bee Megachile rotunda Fabr. (Bohrat, 1972; Johanson & Mayer, 1976) and the Alkali Bee Nomia mela11deri Cockerell (Johanson & Eves, 1973) are manipulated and used in crop pollination.
Arif, Mohommad and Kumar, Narendra, "Occurrence of Pollinator Bees in Leh: Ladakh (Jammu & Kashmir) at 3430 Metres (11,200 feet) Altitude in India" (1997). An. Paper 47.
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