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Hi Derek & All, July 28, 2007
I see both forms, depending upon season, near Kentville (North Alton
woodlot, woods north of Kentville, Palmeter Woods [meadow road] and
Cambridge woodlot; a fair description of where I am likely to be in the
Valley during leaf season) as the locally most abundant butterfly.
This appears to be an interesting example of a once faltering insect
that has made a comeback thanks to an introduced plant. To judge from
the sometimes exuberent insect activity on introduced plants I suspect
there are many more such examples.
All of these sites either have Cuckoo-Flower (_Cardamine pratensis_)
or this plant is present within a few hundred paces. So Mustard White,
on that basis, may be present throughout the range of _C. pratensis_; in
the Valley nearly to Digby Co, to Lunen. & Queens Cos via Route 12;
something to check for as opportunity arises.
It would be interesting to know if _C. pratensis_ is also present
at Mt. Uniacke.
Yt, DW, Kentville
d.bridgehouse wrote:
>Lepsters - yesterday John Gilhen and I encountered Summer Form ( Light
>veined form ) Mustard White aka Pieris oleracea at Mt Uniacke Estate . This
>is the first time I have seen this lep at the this locale and only the
>second time in 3 years I have seen Mustard White in Hants Co.
>
>I encountered the Spring Form ( Dark veined form) on June 15 2004 also in Mt
>Uniacke.
>
>This may be a geographical range extension for Mustard White in NS. As Dave
>Webster reports it from Kings Co. and it also flies in Cumberland Co.
>
>Cheers, Derek
>
>
>
>***********************
>Derek W.Bridgehouse
>85 Prince Albert Rd.
>Dartmouth, Nova Scotia
>B2Y 1M1
>CANADA
>d.bridgehouse@ns.sympatico.ca
>
>
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