Eduardo Almeida, Bob Minckley and Silas Bossert (left to right)

Taken 25 August 2023 by E. Almeida at the Southwestern Research Station near Portal, Arizona, USA.

Ricardo Ayala

Instituto de Biologia, Instituto de Biología, Estacion de Biologica Chamela, Universidad Nacional Autónoma de Mexico
Collecting bees outside Antigua, Guatemala
Taken 1 November 2009 by RL Minckley

George A. Byers

Curator of Entomology, Snow Entomological Museum, Lawrence, Kansas, USA
Specialized on scorpionflies, craneflies, and the like but published one study on Hymenoptera and was on the dissertation committees of many students that worked on bees.
Taken by RL Minckley in Lawrence, Kansas, USA on 5 June 2015.

Charles D. Michener (left) & Terry Griswold (right)

Curator of Entomology, Snow Entomological Museum, University of Kansas, Lawrence, Kansas, USA
Research Entomologist, USDA-ARS Pollinating Insect Management & Systematic Research, Logan, Utah, USA
Taken 15 January 2013 in Michener's office, Snow Entomological Museum by C Chaboo

Laurence Packer

Department of Biology, York University, Ontario, Canada
Collecting bees outside Antigua, Guatemala
Taken 1 November 2009 by RL Minckley

Jerry G. Rozen

Curator of Entomology, American Museum of Natural History, New York, New York, USA
Holding cell contents of Anthophora sp.
Taken by RL Minckley in the San Bernardino Valley, Sonora, Mexico on 5 May 2012.

T'ai H. Rouston

Department of Environmental Science, University of Virginia, Virginia, USA & Curator of the State Arboretum of Virginia.
Counting flowers of a creosote bush with N de la Torre
Taken by RL Minckley in the San Bernardino Valley, Sonora, Mexico on 24 May 2002

Neal Williams

Department of Entomology, University of California at Davis, Davis, California, USA
With gloves suitable for handling cacti
Taken by RL Minckley in the San Bernardino Valley, Sonora, Mexcio on 6 August 2005

Hollis Woodward (right) and Kristal Watrous (left)

Department of Entomology, University of California at Riverside, Riverside, California
Taken by RL Minckley at the Southwest Research Station of the American Museum of Natural History on 9 May 2016

Doug A. Yanega

Curator of Entomology, Entomology Research Museum, University of California at Riverside, Riverside, California, USA
Taken 6 June 2015 by RL Minckley in Lawrence, Kansas, USA