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Index of Subjects --Apple-Mail-4--600540789 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Hi Angus, It does look like Bombus (Pyrobombus) impatiens Cresson 1863 from what one can see. Cheers, Chris On 6-Oct-06, at 8:07 PM, Angus MacLean wrote: > Hi David: > Thanks for the i.d. and the additional tips. Obviously I need > better photos. > > As for Bombus impatiens there was one species that was quite common > a few days ago and may be this species. Here is one photo: > > http://www.flickr.com/photos/58321572@N00/262568575/ > > However I thought there was one similar one that did not have the > lightish abdominal banding but likely there is variation in that > aspect as some I saw had even more distinct banding. > Cheers, > Angus > > At 11:38 AM 10/6/2006, you wrote: >> On 10/5/06 3:20 PM, "Angus MacLean" <angusmcl@ns.sympatico.ca> wrote: >> >> > Yesterday I spent some time in Palmeter Woods (West Kentville). >> > One of the Bees had an orange band across the abdomen. This is >> not one of >> > the (14) Bombus species found in NS and I don't know which >> genera it >> > belongs to. I could not get a good photo yesterday (continually >> moving) but >> > I found one that I photographed on August 17 which is here: >> > >> > http://www.flickr.com/photo_zoom.gne?id=261608676&size=m >> > >> > Sorry for the quality. Can anyone offer a lead? >> > Angus >> > >> Angus: >> >> There are two species of bumble bees in NS that have reddish >> abdomens. The >> most common. To my eye the one you have photographed is _Bombus >> ternarius_. >> The feature I use to clinch the identification is the pattern of >> black on >> the thorax. It has an arrow that points back between the wings. >> The top >> view photos at >> http://pick4.pick.uga.edu/mp/20q?search=Bombus >> +ternarius&guide=Bumblebees >> show this. However that is difficult to see in this photograph. >> >> The other reddish species, _Bombus rufocinctus_ has a black middle >> of the >> thorax, but lacks the backwards pointing arrow. >> >> The best source for identification is Laverty and Harder. 1988. >> The bumble >> bees of eastern Canada. Canadian Entomologist 120: 965-987. It >> has a good >> series of line drawings showing colours on workers, queens and >> males. For >> most species this works for identification, and those that it does >> not work >> for are pointed out. >> >> Since records were compiled for this in the mid-1980s, there has >> been a >> large increase in populations of _Bombus impatiens_ in NS. In >> the early >> 1990s I did not find them on Cape Breton at all. This fall, they >> are the >> most common species I have seen, from Bon Portage to Georges River >> in Cape >> Breton. >> >> >> David McCorquodale >> >> >> David McCorquodale >> Department of Biology >> Cape Breton University >> Box 5300, 1250 Grand Lake Rd., Sydney, NS B1P 6L2, CANADA >> 902-563-1260 david_mccorquodale@capebretonu.ca FAX: 902-563-1880 _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. _. Christopher Majka - Nova Scotia Museum of Natural History 1747 Summer Street, Halifax, Nova Scotia, Canada B3H 3A6 (902) 424-6435 Email <c.majka@ns.sympatico.ca> _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. _. --Apple-Mail-4--600540789 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=ISO-8859-1 <HTML><BODY style=3D"word-wrap: break-word; -khtml-nbsp-mode: space; = -khtml-line-break: after-white-space; ">Hi Angus,<DIV><BR = class=3D"khtml-block-placeholder"></DIV><DIV><SPAN = class=3D"Apple-style-span">It does look like=A0<I>Bombus (Pyrobombus) = impatiens</I> Cresson 1863 from what one can see.</SPAN></DIV><DIV><BR = class=3D"khtml-block-placeholder"></DIV><DIV>Cheers,</DIV><DIV><BR = class=3D"khtml-block-placeholder"></DIV><DIV>Chris</DIV><DIV><BR><DIV><DIV= >On 6-Oct-06, at 8:07 PM, Angus MacLean wrote:</DIV><BR = class=3D"Apple-interchange-newline"><BLOCKQUOTE type=3D"cite"><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">Hi David:</DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Thanks for = the i.d. and the additional tips. Obviously I need better = photos.</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">As for Bombus impatiens there was one species that = was quite common a few days ago and may be this species. Here is one = photo:</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; "><A = href=3D"http://www.flickr.com/photos/58321572@N00/262568575/">http://www.f= lickr.com/photos/58321572@N00/262568575/</A></DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: = 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">However = I thought there was one similar one that did not have the lightish = abdominal banding but likely there is variation in that aspect as some I = saw had even more distinct banding.</DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; = ">Cheers,</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; ">Angus</DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: = 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">At 11:38 = AM 10/6/2006, you wrote:</DIV> <BLOCKQUOTE type=3D"cite"><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">On 10/5/06 3:20 PM, "Angus MacLean" <<A = href=3D"mailto:angusmcl@ns.sympatico.ca">angusmcl@ns.sympatico.ca</A>> = wrote:</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">> Yesterday I spent some time in Palmeter Woods = (West Kentville).</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; ">> One of the Bees had an = orange band across the abdomen. This is not one of</DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">> the (14) Bombus species found in NS and<SPAN = class=3D"Apple-converted-space">=A0 </SPAN>I don't know which genera = it</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: = 0px; margin-left: 0px; ">> belongs to. I could not get a good photo = yesterday (continually moving) but</DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">> I found = one that I photographed on August 17 which is here:</DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">></DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">> <A = href=3D"http://www.flickr.com/photo_zoom.gne?id=3D261608676&size=3Dm">http= ://www.flickr.com/photo_zoom.gne?id=3D261608676&size=3Dm</A></DIV><DIV= style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">></DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">> Sorry = for the quality. Can anyone offer a lead?</DIV><DIV style=3D"margin-top: = 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">> = Angus</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; ">></DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">Angus:</DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: = 14px; "><BR></DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; ">There are two species of bumble = bees in NS that have reddish abdomens.<SPAN = class=3D"Apple-converted-space">=A0 </SPAN>The</DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">most common. To my eye the one you have photographed = is _Bombus ternarius_.</DIV><DIV style=3D"margin-top: 0px; margin-right: = 0px; margin-bottom: 0px; margin-left: 0px; ">The feature I use to clinch = the identification is the pattern of black on</DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">the thorax.<SPAN class=3D"Apple-converted-space">=A0 = </SPAN>It has an arrow that points back between the wings.<SPAN = class=3D"Apple-converted-space">=A0 </SPAN>The top</DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">view photos at</DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A = href=3D"http://pick4.pick.uga.edu/mp/20q?search=3DBombus+ternarius&guide=3D= Bumblebees">http://pick4.pick.uga.edu/mp/20q?search=3DBombus+ternarius&= ;guide=3DBumblebees</A></DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">show = this.<SPAN class=3D"Apple-converted-space">=A0 </SPAN>However that is = difficult to see in this photograph.</DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: = 14px; "><BR></DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; ">The other reddish species, = _Bombus rufocinctus_ has a black middle of the</DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">thorax, but lacks the backwards pointing = arrow.</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">The best source for identification is Laverty and = Harder. 1988.<SPAN class=3D"Apple-converted-space">=A0 </SPAN>The = bumble</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; ">bees of eastern Canada.<SPAN = class=3D"Apple-converted-space">=A0 </SPAN>Canadian Entomologist 120: = 965-987. It has a good</DIV><DIV style=3D"margin-top: 0px; margin-right: = 0px; margin-bottom: 0px; margin-left: 0px; ">series of line drawings = showing colours on workers, queens and males.<SPAN = class=3D"Apple-converted-space">=A0 </SPAN>For</DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">most species this works for identification, and = those that it does not work</DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">for are = pointed out.</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">Since records were compiled for this in the = mid-1980s, there has been a</DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">large = increase in populations of _Bombus impatiens_ in NS.<SPAN = class=3D"Apple-converted-space">=A0 =A0 </SPAN>In the early</DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">1990s I did not find them on Cape Breton at = all.<SPAN class=3D"Apple-converted-space">=A0 </SPAN>This fall, they are = the</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; ">most common species I have seen, = from Bon Portage to Georges River in Cape</DIV><DIV style=3D"margin-top: = 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; = ">Breton.</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: = 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">David = McCorquodale</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style=3D"margin-top: = 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">David = McCorquodale</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; ">Department of Biology</DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">Cape Breton University</DIV><DIV style=3D"margin-top: = 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Box = 5300, 1250 Grand Lake Rd., Sydney, NS B1P 6L2, CANADA</DIV><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">902-563-1260<SPAN class=3D"Apple-converted-space">=A0 = =A0 </SPAN><A = href=3D"mailto:david_mccorquodale@capebretonu.ca">david_mccorquodale@capeb= retonu.ca</A><SPAN class=3D"Apple-converted-space">=A0 </SPAN>FAX: = 902-563-1880</DIV> </BLOCKQUOTE></BLOCKQUOTE></DIV><BR><DIV> <P = style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><FONT face=3D"Times" size=3D"3" = style=3D"font: 12.0px = Times">_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._= ._._._.</FONT></P> <P style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><FONT = face=3D"Times" size=3D"3" style=3D"font: 12.0px Times">Christopher Majka = - Nova Scotia Museum of Natural History</FONT></P> <P style=3D"margin: = 0.0px 0.0px 0.0px 0.0px"><FONT face=3D"Times" size=3D"3" style=3D"font: = 12.0px Times">1747 Summer Street, Halifax, Nova Scotia, Canada<SPAN = class=3D"Apple-converted-space">=A0 </SPAN>B3H 3A6</FONT></P> <P = style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><FONT face=3D"Times" size=3D"3" = style=3D"font: 12.0px Times">(902) 424-6435 <SPAN = class=3D"Apple-converted-space">=A0 </SPAN>Email <<A = href=3D"mailto:c.majka@ns.sympatico.ca">c.majka@ns.sympatico.ca</A>></F= ONT></P> <P style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><FONT face=3D"Times"= size=3D"3" style=3D"font: 12.0px = Times">_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._= ._._._.</FONT></P> </DIV><BR></DIV></BODY></HTML>= --Apple-Mail-4--600540789--
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