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Monarch - Hodges#4614 (Danaus plexippus)
Photo#879890
Copyright © 2013 Kenneth E. Barnett
Monarch -
Danaus plexippus
Coconut Creek, Broward County, Florida, USA
December 28, 2013
Monarch on Tropical Milkweed at Hillsboro Pinelands. Several seen, mating observed.
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Contributed by
Kenneth E. BARNETT
on 28 December, 2013 - 11:52am
Last updated 3 January, 2014 - 8:56am
Moved
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…
William Edwards
, 3 January, 2014 - 8:56am
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It's incredible how you can still find them this late into the year at your location. But then again, it's Florida. :)
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Chao "Jimmy" Wu
, 28 December, 2013 - 2:53pm
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I'm in St. Petersburg and they are everywhere right now!
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Matt Edmonds
, 29 December, 2013 - 9:28am
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Matt
interesting to me, not because I know they breed here prob. year round, but that they were uncommon in the North this year. I'd love to know if there is some relationship- whereas the winter broods might boom after bad Northern reproductive years? I mean it would almost make sense. I saw mating, and since the tropical milkweed is in leaf all winter, larvae would develop and the numbers returning later would be higher (outside of the main sleeping areas- as in Mexico). Most of the sites on Monarchs even by the specilists say there is STILL a lot to understand about the "resident" populations- and if they are really "resident," a dead end in a way, or valuable to the returning group in some way. Since they die and mate on the way up, tagging the S. Florida adults probably wouldn't give anyone great data. I read that in Hawaii they have non-migrant introductions, and also in BRITAIN.
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Kenneth E. BARNETT
, 29 December, 2013 - 11:54am
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Lots of cool ideas! I will say that, at my house anyway, there are always more during migration. They occur year round but during migration the numbers go up.
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Matt Edmonds
, 30 December, 2013 - 7:48am
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Population Decrease
I read last year that the population which arrived in Mexico to overwinter decreased by well over 60%. Perhaps that had to do with something up North.
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Chao "Jimmy" Wu
, 29 December, 2013 - 2:34pm
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Good point Jimmy
yet in some Southern NY areas- they were apparently in good numbers. It was as if they stopped further South. In a semi related note, The more Southern GIANT SWALLOWTAIL is increasing as far North now as Northern Saratoga County NY. I saw them as often as Tiger Swallowtail this year.
A lot to learn with these population trends.
I'm going to see if I can get permission to tag some of the wild monarchs HERE NOW to see if they move North at all as they lay eggs- or die out here after laying. It might be worth the try.
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Kenneth E. BARNETT
, 29 December, 2013 - 4:48pm
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Good Luck
I am also interested in seeing migration patterns. Keep me posted to your endeavors. I will say that, here in Kansas, the population was significantly lower this year. Perhaps just a shift in the trend line, or perhaps, something worst.
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Chao "Jimmy" Wu
, 29 December, 2013 - 4:58pm
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