Genus Megachile forms an integral part of the ecosystem as its members are important pollinators of both wild and cultivated flora. Surveying on a large scale helps in gathering a lot of information about their spatial and temporal data. This also helps in studying their biodiversity and taxonomy. Three species of solitary bees under subgenus Pseudomegachile Friese of the genus Megachile Latreille collected from Sutlej basin plains of India have been studied and described taxonomically. Megachile (Pseudomegachile) creusa (Bingham), M. (P.) ramakrishnae Cockerell and M. (P.) elfrona (Cameron) with 21 examples are described including their morphological characters, taxonomically important characters, zoogeographic records, floral associations along with genitalic and sternal plates. Since most of the areas included in the study have been surveyed first time for Megachile study, these are new records for the studied area.
Pseudomegachile, Male genitalia, Sterna, Morphology
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