Orange Eggs On Milkweed. My decision was affirmed when i asked an entomologist about this quandary at a native plant conference i attended. One or more generations per year.
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I was very conflicted about this but decided that in this case i had to come down on the side of growing more milkweeds. My decision was affirmed when i asked an entomologist about this quandary at a native plant conference i attended. Nymphs are bright orange and develop black spots late.
These are not a native species but they do love a few of our native plants and have become endemic in our region.
I find clusters of these orange eggs on the bottom of the swamp milkweed leaves. They can t survive cold winters so they migrate south in the fall. The shape of the eggs and the quantity leads us to believe these are moth eggs. These little orange insects suck the sap out of stems leaves can cause flowers and pods to abort and can even kill plants.
