[Species profile:] Perdita barri (Hymneoptera: [Apoidea:] Andrenidae: Panurginae: Perditini)

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Perdita barri is a rare endemic species with a restricted distribution and uncertain population status. It has been collected only once, within agricultural lands, near Midvale in Washington County, ID.

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ELECTRONIC FILE - Zoology: Invertebrates

Recommended citation at this webpage is the following (though this is NOT the CD-ROM, but a potentially updated web page with an unknown posting date. Originally, the article appeared on a CD-ROM having the title and editors mentioned in this Xerces-recommended citation, which is on the website posting):
Shepherd, M. D. 2005. Species Profile: Perdita barri. In Shepherd, M. D., D. M. Vaughan, and S. H. Black (Eds). Red List of Pollinator Insects of North America. CD-ROM Version 1 (May 2005). Portland, OR: The Xerces Society for Invertebrate Conservation.

Only the editors' names are being included in this Biblio record, not the overall title of the CD-ROM. Access date is especially important to use at this Xerces website as no one there currently (8/2015) redates after updates. Major revisions, however, result in a different document being posted.

SWAP (2/19/2016) citation [rather combines the CD-ROM and the website versions, the latter with an access date...]:
Shepherd MD. 2005. Species profile: Perdita barri. In: Shepherd MD, Vaughan DM, Black SH, editors. Red list of pollinator insects of North America [CD-ROM]. Version 1. Portland (OR): Xerces Society. [accessed 2015 Jun 1]. http://www.xerces.org/perdita-barri/