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Hi David & All,
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I remember  that Lady Beetle Survey.  I'm sure that I still have the guide somewhere.  For a year or two I made an earnest effort to be more observant of lady beetles and to record them when I saw them;  odd little sketches in my notebooks.
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As I recall, and I stand to be corrected on this, the survey was cancelled and results not published because the guide was found to be faulty.  Some species, particularly
<em>Harmonia axyridis</em> are just so variable that the guide was misleading.
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I haven't thought about lady beetles in ages.  There's a organic/health food store in my neighbourhood which boasts one in its logo on the outside of the building; I must study it to see if it corresponds to any known species.  It would be ironic if it were an "invasive alien".
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Cheers,
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Patricia L. Chalmers
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Halifax
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On April 19, 2020 at 8:03 AM David Webster <dwebster@glinx.com> wrote:
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<p>Hi Carmel & All,</p>
<p>    In 1997 the Canadian Nature Federation sponsored a Canadian Lady Beetle Survey which included a visual guide to ID. On the internet I was not able to locate anything comparable. Bug Guide is useful if one can learn to avoid the misleading images. </p>
<p>    Yes Adalia bipunctata (two spotted) was sometimes abundant.</p>
<p>    For a painless introduction to beetles in general (mug shots) Beetles of Eastern North America Authur V. Evans 2014 has beautiful illustrations. Be aware that "God has an inordinate fondness for beetles".</p>
<p>YT, DW, Kentville</p>
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On 4/18/2020 9:51 PM, Carmel Smith wrote:
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David Webster: I am not going to kill any of them...even the ones inside my window.
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Re: the two-spotted Lady Bug which someone mentioned, I see these every summer here. In fact fairly plentiful, and I wondered if those were the aliens...(!). 
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<br/> Now I'll be paying more attention, and brush up on the different types.
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Carmel Smith,
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Midville, Lun. County
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On Saturday, April 18, 2020, 07:40:46 p.m. ADT, David Webster
<dwebster@glinx.com> wrote:
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<p>Hi Carmel,</p>
<p>    There are about 40 species of Coccinellidae in NS and most of these resemble common Lady Bugs in some respect and likely would be recognized as lady bugs. So unlike some official in Alice in Wonderland I would suggest trial first , execution later.</p>
<p>YT, DW, Kentville</p>
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On 4/18/2020 4:42 PM, Carmel Smith wrote:
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So the basic way to differentiate them is that the ASIAN species has basically a white head with some "M: or "W" black markings whereas the native Lady Beetle has a black head and small--if present at all--white markings on the head.
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