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Two of the NS bumble bees=2C Bombus impatiens & B. vagans=2C are first foun=
d around mid-May (Queens can be earlier) & are common & regular through the=
summer. Bombus ternarius (Tri-colored Bumble Bee) started to show up in so=
me numbers about two weeks ago & are now quite common especially in open ar=
eas near woods. They will become the dominant bumble bee in most parts of N=
S through the summer into the late fall.=20
There are five other bumble bee species listed for NS & four cuckoo bumble =
species. All can be considered rare to uncommon here & some are in moderate=
to steep decline across their ranges. So far this summer I have only noted=
one of these (two sightings).
We have a large stand of Oregano (garden escape) on our property. Although =
almost finished now I have noted numerous impatiens & vagans on them but no=
ternarius.
A few days ago I discovered a good stand of Knapweed still in blossom & vir=
tually all bumble bees on them were ternarius.
There are very few flies this summer although a few tachinids have appeared=
recently. These should be quite common by now. There are always a few spe=
cies of hover flies (Eristalis) but this summer there are few aphids. Since=
larvae of many hover fly species feed on aphids I wonder if their populati=
ons will be much lower next year.=20
The above comments may not apply everywhere in NS. Different opinions are w=
elcomed.
Angus
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<div dir=3D"ltr">Two of the NS bumble bees=2C Bombus impatiens &=3B B. v=
agans=2C are first found around mid-May (Queens can be earlier) &=3B are=
common &=3B regular through the summer. Bombus ternarius (Tri-colored B=
umble Bee) started to show up in some numbers about two weeks ago &=3B a=
re now quite common especially in open areas near woods. They will become t=
he dominant bumble bee in most parts of NS through the summer into the late=
fall. <br><br>There are five other bumble bee species listed for NS &=
=3B four cuckoo bumble species. All can be considered rare to uncommon here=
&=3B some are in moderate to steep decline across their ranges. So far =
this summer I have only noted one of these (two sightings).<br><br>We have =
a large stand of Oregano (garden escape) on our property. Although almost f=
inished now I have noted numerous impatiens &=3B vagans on them but no t=
ernarius.<br><br>A few days ago I discovered a good stand of Knapweed still=
in blossom &=3B virtually all bumble bees on them were ternarius.<br><b=
r>There are very few flies this summer although a few tachinids have appear=
ed recently. These should be quite common by now. There are =3B always =
a few species of hover flies (Eristalis) but this summer there are few aphi=
ds. Since larvae of many hover fly species feed on aphids I wonder if their=
populations will be much lower next year. <br><br>The above comments may n=
ot apply everywhere in NS. Different opinions are welcomed.<br><br>Angus<br=
></div>=0A=
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</html>=
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