Announcing the Guide to the Identification of the U.S. and Canadian Bees in the Genus Perdita East of the Mississippi River Rebekah Nelson and Sam Droege (With...
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Jerry_Freilich@...
Dec 11, 2006 10:52 pm
Was just looking at your Perdita key (way cool!) and also noted that this page: (where one is introduced to the bees): ...
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frozenbeedoc@...
Dec 17, 2006 2:01 am
Dear Sam, heard a good talk by your student, with Dewey, on the traps in various parts of the Delmarva. Also one by the lady working with Bill Stevens in...
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Sam Droege
sam_droege
Dec 19, 2006 3:14 pm
All: Attached is a list of the common bees of the Washington D.C. area, based on our surveys over the past several years. While we do plan to publish a ...
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Craig Tufts
wildscaper2000
Dec 19, 2006 3:56 pm
Thanks Sam. Great resource. Am hoping to bee able to attend bee class in Feb. Craig ... All: Attached is a list of the common bees of the Washington D.C. area,...
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T'ai Roulston
thr8z@...
Dec 19, 2006 8:24 pm
Sam: If you don't find a better place to post it, I could post the common bees of Washington, DC list as a separate web page on my own web site, which includes...
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Gretchen LeBuhn
glebuhn
Dec 19, 2006 8:41 pm
I'm happy to post any and all of these on the bee monitoring website - we're working on upgrading it anyway. Gretchen LeBuhn Assistant Professor Department of...
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Sam Droege
sam_droege
Dec 19, 2006 9:01 pm
Gretchen: You are our hero... sam Sam Droege Sam_Droege@... w 301-497-5840 h 301-390-7759 fax 301-497-5624 USGS Patuxent Wildlife Research Center ...
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Thomas of Baltimore
photosbythom@...
Dec 19, 2006 9:11 pm
Since the biological imperative of flowering plants is to set fertilized seed, does the production of fertilized seed suggest that local pollinators favor a...
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Thomas of Baltimore
photosbythom@...
Dec 19, 2006 9:48 pm
Background 1: In my Baltimore City neighborhood, and in many urban areas, Ground Ivy (Glechoma hederacea) is now one of the most important flowers for ...
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David Inouye
dwinouye
Dec 19, 2006 10:34 pm
... Depends on their proboscis length. ... It is unlikely that all 19 species would have foraged on a single plant species. The relationship between bees and...
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Thomas of Baltimore
photosbythom@...
Dec 20, 2006 12:55 am
Prior to European arrival to N.A. during the time that indigenous people were "managing"; the landscape, which early season flower species were being used by...
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Thomas of Baltimore
photosbythom@...
Dec 20, 2006 9:50 pm
Sam: Are you able to refine this list to the species likely to be found in the Baltimore Metro Area? To the Baltimore list, could you also include any...
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Thomas of Baltimore
photosbythom@...
Dec 21, 2006 7:17 pm
According to the British bumbleebee researcher I contacted, (at least) four true British Bumblebee species are known to visit Glechoma hederacea; Bombus ...
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Thomas of Baltimore
photosbythom@...
Dec 21, 2006 7:42 pm
Tongue length of my locally abundant Bumble bee and frequent user of Ground Ivy: "B. griseocollis possesses an intermediate tongue length (mean=6.2 mm, *n* ...
You can catch up if you like if you read the first email I posted with the title Bombus-GroundIvy Connection? Or if you are not so inclined you may just...
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David Inouye
dwinouye
Dec 21, 2006 8:37 pm
That's close to the proboscis length of honey bees, which are probably significant competitors for short-tongued bumble bees in this country. At 02:42 PM...
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David Inouye
dwinouye
Dec 21, 2006 8:40 pm
That's interesting that bees of all those proboscis lengths will use the same flower. Quantitative data on frequency of use by each of those species would be...
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Thomas of Baltimore
photosbythom@...
Dec 21, 2006 9:49 pm
What percentage of the world's extant flowering plant species have evolved flower arrangements that are pollinated by only a specific group of pollinating...
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Liz Day
beebuzz@...
Dec 22, 2006 12:57 am
... I would guess they are short of food in early spring and desperate for anything with nectar. Often in early spring I have walked around urban areas and...
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Liz Day
beebuzz@...
Dec 22, 2006 1:17 am
... This assertion confuses me. Is there not usually fairly good concensus for most organisms of concern that they either were present in N. America well...
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Thomas of Baltimore
photosbythom@...
Dec 22, 2006 1:51 am
Are you suggesting that Ground Ivy nectar/pollen is inferior to that which is produced by other flowers? Please share the source of your pollen/nectar...
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Liz Day
beebuzz@...
Dec 22, 2006 3:52 am
... No. ... visit Ground Ivy because they are desparate, not because they prefer it? ... there are plenty of places where bumblebee forage seems to be scarce....
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Mary Travaglini
mtravaglini@...
Dec 22, 2006 4:05 pm
Liz, To be certain, as someone who works in the field of invasive species, there likely will never be a way to wholesale get rid of a non-native species once ...
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Thomas of Baltimore
photosbythom@...
Dec 22, 2006 9:42 pm
[EDIT] Can you share the pollen analysis data of the Gorge soil which show what percentage of the species living there when John Smith sailed the Chesapeake?...
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Thomas of Baltimore
photosbythom@...
Dec 22, 2006 9:47 pm
Mary: Liz didn't post what you responded to... I, Thomas of Baltimore, did. I notice you work in the Potomac Gorge which I was surprised to read is one of the...
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Thomas of Baltimore
photosbythom@...
Dec 23, 2006 9:16 am
I uploaded my collection of bee images from 2006. Please take a look....
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John S. Ascher
limon_cocha
Dec 23, 2006 4:55 pm
The photos are beautiful and an excellent contribution. Note that the last photo is of a male Hoplitis (Alcidamea). The modified antennae are visible. I...
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Thomas of Baltimore
photosbythom@...
Dec 23, 2006 7:57 pm
John: Thank you for the compliment and I apologize, as well, for my strong reaction. Any discussion of the ecology of the city, and the ecology of bees in the ...
