Date: 06/01/2005

Number: 1

On June 1/05, I saw my first Monarch of the year
along the east side of the Humber River north of
Eglinton Ave. (Eglinton Flats), Toronto, Ontario. It
was a female that was ovipositing on Common Milkweed.
I found a single egg. Interestingly, she also appeared
to be ovipositing on several Black Swallow-wort plants
(related to the milkweeds), which is unfortunately
abundant here, but whenever I inspected a plant I
could find no eggs. I've watched this behaviour with
this plant before but never inspected it for eggs.
Have you ever heard of Monarchs successfully using
Black Swallow-wort as a host plant?

Contributed by Don Davis

Toronto, ON

Latitude: 43.4 Longitude: -79.3

Observed by:
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