[Pollinator] Bombus "impatiens"

Mon Apr 2 11:52:38 PDT 2007

The photo on p. 38, the title page of the Ecological Risk Analysis, is of
Bombus (Separatobombus) griseocollis, not the intended Bombus (Pyrobombus)
impatiens. Liz Day brought this obvious misidentification to my attention.

Note the low position of the ocelli, uniformly and deeply infuscated
wings, brownish subappressed hairs on the basal terga, uniformly short and
dense yellowish hairs on the unworn portion of the anterior scutum, etc.
In Bombus impatiens, the lateral ocelli are distinctly below the
supraorbital line; the wings are not uniformly or deeply infuscated; pale
hairs on the basal terga are present only on T1 and these are elongate,
erect, and never brownish; and the hairs of the anterior scutum are more
elongate, not as dense, and a different shade of grayish-yellow.

Numerous correctly identified photos of both species are available online
at www.discoverlife.org, www.bugguide.net, and elsewhere. At
discoverlife.org keys and full descriptions are also available.

The exotic endoparasites of Bombus are somewhat more difficult to identify.

> <html>
> <body>
> This paper is available online at
> <a href="http://www.cdfa.ca.gov/phpps/pe/pdfs/CEQA_BumbleBee.pdf"
> eudora="autourl">
> <font size=2>www.cdfa.ca.gov/phpps/pe/pdfs/CEQA_BumbleBee.pdf</a></font>
> <br><br>
> Sullivan, Joseph P. 2006. An ecological risk analysis for the use of
> <i>Bombus impatiens</i> for pollination of field crops in California.
> Submitted to Koppert Biological Systems. </body>
> </html>
>
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-- 
John S. Ascher, Ph.D.
Bee Database Project Manager
Division of Invertebrate Zoology
American Museum of Natural History
Central Park West @ 79th St.
New York, NY 10024-5192
work phone: 212-496-3447
mobile phone: 917-407-0378