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Angus MacLean wrote:
> However hawkweed which blankets many of the fields in the Valley now
> is of no interest to them. f value to them.
>
> Angus in Coldbrook
>
Hi Angus & All, June 19, 2007
Your comment about Hawkweed (_Hieracium_ sp.) prompted me to take
note of them. As you say they are not high in insect activity.
I saw several small bees and small flies yesterday on the common
Hawkweed of acid lawns and run-down pastures (_H. pilosella_). These
flower heads fold up late in the afternoon, and I presume open early in
the morning, so early on a warm morning may be the best time to see
insect activity.
This afternoon at North Alton I sat down near a sunny patch of
larger Hawkweed (_H. murorum_ or perhaps _H. lachenalli_), to watch for
activity, and at once noticed a Swallowtail (Can. Tiger) working these
flowers. It continued feeding for slightly over 5 minutes, spending 3-6
sec at each flower head, then sunned on an Ash leaf for >2 minutes
before taking off.
I have noticed Swallowtails in this patch of woods (mostly Spruce
before the tree death of 2000) for ~20 years and have wondered what drew
them here. Perhaps that Hawkweed is the main attraction.
In another sunny patch, a small bee worked for several minutes.
Yt, DW, Kentville
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