Two new species of the bee genus Peponapis, with a key to the North and Central American species (Hymenoptera: Apidae: Eucerini) by Ricardo Ayala, Terry Griswold

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A new bee species of the subgenus Ceratina (Rhysoceratina) (Hymenoptera: Apidae) from northernmost South America by Nathalia A. Flórez-Gómez, Terry Griswold

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Chasing a Little-Known Fairy Bee (<i>Perdita meconis</i>) in a Dynamic Desert Landscape by Sarit Chanprame, Colleen Meidt, Terry Griswold, Joseph S. Wilson, Kelsey K. Graham

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First records of eight native bee species (Hymenoptera, Anthophila) in Washington, USA by Autumn Maust, Joel Gardner, Karen W. Wright, Terry Griswold, Patrick C. Tobin

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