The alkali bee, Nomia melanderi Ckll., inhabits large nesting sites in inorganic sandy or clayey soils having abundant subsurface moisture. Alkaline flats or low mounds with scanty vegetation are usually chosen. There is one principal generation, which flies for about 6 weeks during July and August. Its progeny overwinter in their brood cells as naked prepupae.
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George E. Bohart (1955) studied this question.