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- Hymenoptera: Apoidea), with an Emphasis on Perdita (Hymenoptera: Andrenidae
- Proquest Dissertations
- L/Ba1ercanjiuscum
- A1hie'icanjmluseum
- Melissa: the Melittologist's Newsletter
- Pollinator Conservation Strategy
- Bees (Compiled by Robbin Thorp)
- Incasarus Garciai, a New Genus and Species of Panurgine Bees from the Peruvian Andes (Hymenoptera: Andrenidae)
- The Bees of Colorado (Hymenoptera: Apoidea: Anthophila)
- Hymenoptera: Apoidea): a Reassessment John S
- Zootaxa, Liphanthus Reed, 1894 (Hymenoptera
- The Nesting and Foraging Behavior of Perdita Texana (Cresson) (Hymenoptera: Andrenidae) Author(S): John L
- Monitoring, Assessing and Evaluating the Pollinator
- The Calliopsis (Hymenoptera; Andrenidae; Panurginae) of Chile with the Description of a New Species
- The Bees of British Columbia (Hymenoptera: Apoidea, Apiformes)
- HYMENOPTERA: ANDRENIDAE: PANURGINAE) Una Nueva Especie De Acamptopoeum De Colombia (Hymenoptera: Andrenidae: Panurginae)
- Journal of Melittology Bee Biology, Ecology, Evolution, & Systematics the Latest Buzz in Bee Biology No
- Biogeography of Bees (Hymenoptera, Apoidea) in Sahara and the Arabian Deserts