Rozen, J. G. (1993). Nesting biologies and immature stages of the rophitine bees (Halictidae) with notes on the cleptoparasite Biastes (Anthophoridae) (Hymenoptera: Apoidea). American Museum Novitates. 3066, 1-28. (
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Rozen, J. G., & Ă–Zbek, H. T. (2008). Immatures of rophitine bees, with notes on their nesting biology (Hymenoptera: Apoidea: Halictidae). American Museum Novitates, 2008(3609), 1-35.
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