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</head><body>I"m so at a loss. I eliminated the possibility of harming them by contact after petting flea preventative treated dog. I tried raising some on organic non-treated tropical milkweed on my back deck and those didn't make it passed third instar. I have collected eggs just after oviposition and reared them all the way through to eclosing and the adults are weak and unable to fly. Many of the eggs hatch but none seem to be making it to healthy adulthood. Some I'm concerned had Oe disease based on how they emerged and wondering if this all isn't combining with the milkweed itself being tainted by toxic chemicals. I do have aphids on some plants esp on shorter more tender plants but not all. And even then, when I harvest leaves, I wash them thoroughly before serving them.<br><br>
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On August 13, 2018 at 1:28 PM Maria Aliberti Lubertazzi <mariaaa@aol.com> wrote:
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<font size="2">an urban/suburban area around Boston, and here is what I have observed: All the milkweeds that grow in our tiny yard develop mega populations of aphids, accompanied by attentive ants. By mid-summer (when I start seeing oviposition) the leaves are covered by a sticky, shiny goo (undoubtedly the result of aphid excretion). This year we are seeing LOTS of monarchs, and finding lots of eggs laid on these plants that are in terrible condition. If left alone, we never see larvae. My suspicion is that 1) they are immediately removed/eaten by marauding ants (or maybe ladybird beetles), and 2) something about the condition of the leaves is not good/tasty/edible. I have been trying to get them to hatch in a more protected env't, and then giving them healthier-looking leaves. So far, 1 chrysalis...but many new eggs. <br> </font>
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<font size="2">Maria Aliberti Lubertazzi</font>
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-----Original Message-----
<br> From: Donna Lorello <sunny19682@comcast.net>
<br> To: ctleps-l <ctleps-l@mailman.yale.edu>
<br> Sent: Mon, Aug 13, 2018 1:12 pm
<br> Subject: [Ctleps-l] testing milkweed
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Is it possible to take milkweed leaves and have them tested for toxins like chemicals in Roundup? Every single cat I tried raising this year has died. They are dying at various stages from first instars to emerging adults (eclosing very weak). I'm worried as my neighbors are OCD users of Roundup, and if this is combining with chemicals in pre-treatments used in the winter and possibly the occurrence of Oe disease. My garden is street side and I know I am facing relocating it if these hazards are what is causing the monarchs to die like this.
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Any help in isolating why I am not seeing any success in having monarchs make it to healthy adulthood would be greatly appreciated.
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Donna Lorello
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Branford
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