[Pollinator] Pollinator Digest 1: fact checking

Mon Nov 9 11:29:03 PST 2015

For information about coffee pollination, check with Bob Rice (ricer at si.edu) and his research team at the National Zoo. They are currently undergoing a study on pollination of shade-grown coffee and the proximity of the coffee plantation to natural forest:
http://nationalzoo.si.edu/scbi/migratorybirds/blog/?id=409

Cheers,
Gary Krupnick

________________________________
From: Pollinator [pollinator-bounces+krupnick=si.edu at lists.sonic.net] on behalf of Elizabeth Blaker [ead36 at nau.edu]
Sent: Monday, November 09, 2015 2:21 PM
To: pollinator at lists.sonic.net
Subject: Re: [Pollinator] Pollinator Digest 1: fact checking

Hi,
I believe Dr. Frank Drummond at the University of Maine can answer your question about pollinators of blueberries and cranberries, he has a recent or still continuing study in this area.

Thanks, Liz Blaker

On Monday, November 9, 2015, <pollinator-request at lists.sonic.net<mailto:pollinator-request at lists.sonic.net>> wrote:
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Today's Topics:

   1. Fact Checking? (Peter Bernhardt)
   2. Re: Fact Checking? (carloshvergara at yahoo.com<UrlBlockedError.aspx>)

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Message: 1
Date: Sat, 7 Nov 2015 11:14:16 -0600
From: Peter Bernhardt <bernhap2 at slu.edu<UrlBlockedError.aspx>>
To: Bee United <beemonitoring at yahoogroups.com<UrlBlockedError.aspx>>,      Pollinator List-serv
        <pollinator at lists.sonic.net<UrlBlockedError.aspx>>
Subject: [Pollinator] Fact Checking?
Message-ID:
        <CACxVh_zcp5GFvJho_=6iBdo_6HmP+9f5eCwF1z64T4My=P7hbA at mail.gmail.com<UrlBlockedError.aspx>>
Content-Type: text/plain; charset="utf-8"

Within the last week there two statements appeared regarding the the
pollination of crops.  The comments of members working on bee-pollination
of crops would be appreciated.

1) November 5, Saint Louis U.  A bee conservation lecture series was held.
One of the speakers was Gerald Hayes from Monsanto on the role of honeybees
and our food supply.  Hayes insisted that our North American, cultivated,
cranberries were pollinated by honeybees.  Is this correct?  I remember a
seminar by Jim Cane emphasizing the importance of native megachilids for
cranberry pollination.  The speaker also insisted that blueberries were
pollinated primarily by honeybees in North America.

2) CJ Bradshaw and Paul Ehrlich released a coauthored by book from
University of Chicago Press (my publisher) last month.  On page 58 the
authors insist that Trigona (species not identified) pollinates 90 species
of crop plants including coffee.  I know that most coffee marketed today is
self-pollinating although it still yields sufficient nectar for introduced
honeybees to make honey but what of the other 89 other crop species?  I am
aware that Trigona pollinate avocados, macadamias and a few other fruit/nut
trees but, generally speaking, their bodies are too small to contact both
anthers and stigmas as they forage.

Peter
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Message: 2
Date: Mon, 9 Nov 2015 18:10:04 +0000 (UTC)
From: <carloshvergara at yahoo.com<UrlBlockedError.aspx>>
To: Peter Bernhardt <bernhap2 at slu.edu<UrlBlockedError.aspx>>, Bee United
        <beemonitoring at yahoogroups.com<UrlBlockedError.aspx>>,     Pollinator List-serv
        <pollinator at lists.sonic.net<UrlBlockedError.aspx>>
Subject: Re: [Pollinator] Fact Checking?
Message-ID:
        <37398710.2143256.1447092604953.JavaMail.yahoo at mail.yahoo.com<UrlBlockedError.aspx>>
Content-Type: text/plain; charset="utf-8"

Hi, Peter.
I have recorded Scaptotrigona mexicana pollinating coffee in Veracruz, Mexico and Scaptotrigona ederi pollinating coffee in Santa Elena Ecuador. They are indeed small, but they move intensively about the coffee flowers and chew on the anthers to collect pollen.
I am attaching a photograph of S. mexicana and a very short (unfortunately) video of S. ederi.?Carlos H. Vergara

     El Lunes, 9 de noviembre, 2015 11:54:28, Peter Bernhardt <bernhap2 at slu.edu<UrlBlockedError.aspx>> escribi?:

 Within the last week there two statements appeared regarding the the pollination of crops.? The comments of members working on bee-pollination of crops would be appreciated.
1) November 5, Saint Louis U.? A bee conservation lecture series was held.? One of the speakers was Gerald Hayes from Monsanto on the role of honeybees and our food supply.? Hayes insisted that our North American, cultivated, cranberries were pollinated by honeybees.? Is this correct?? I remember a seminar by Jim Cane emphasizing the importance of native megachilids for cranberry pollination.? The speaker also insisted that blueberries were pollinated primarily by honeybees in North America.?
2) CJ Bradshaw and Paul Ehrlich released a coauthored by book from University of Chicago Press (my publisher) last month.? On page 58 the authors insist that Trigona (species not identified) pollinates 90 species of crop plants including coffee.? I know that most coffee marketed today is self-pollinating although it still yields sufficient nectar for introduced honeybees to make honey but what of the other 89 other crop species?? I am aware that Trigona pollinate avocados, macadamias and a few other fruit/nut trees but, generally speaking, their bodies are too small to contact both anthers and stigmas as they forage. ??
Peter
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