I wonder if it's a Queen?

I don't know of any other Butterfly that lays eggs on milkweed.

The yellow eggs could very well be oleander aphids or lady bug eggs.

Can you post a picture?

Edna

LOL I'll try, but my dig cam sucks. And I just took the last pic on my slr catching my new hummingbird friend feeding in my daylilies. Getting that developed tomorrow.

Ok, couldn't get a pic of the cat, just looks like a shadow in the pics. Here's the best I could do w/ the yellow eggs. It's blury, I know. So you probally wont be able to tell much. There's probally about 10 total combined on the 2 big leaves.

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It's unlikely that queens would be as far north as Michigan. Maybe they're milkweed tussock moth eggs?
MissSherry

Since the eggs are yellow, and look nothing like what I've seen online, I think we can agree they are not monarch eggs, right?

What about the cat? I just finished reading about Queen's, and I agree w/ misssherry, that I'm way to far north for them, plus the cats are described to have more black on them to make them appear darker. This little guy (maybe 1/8 th of an inch, if that) looks primarily white, w/ thin tiny black stripes, possibally a hint of yellow next to the stripes. I think I need to find a pic of very young monarch cats, or I could just wait for it to grow big enough to get a pic.

Well, I'll be! I never heard of moths that eat milkweeed, Miss Sherry. How cool is that. I learned something new today.

They are cute little fuzzy cats.

Edna :-)

We get the moth cat all the time, they like to live around the foundation of the house where we've let the weeds take over, before I started planting. The kids loved finding them. Black ones, green ones, yellow, and brown. They are EVERYWHERE here!

If the little white/yellowish spots are over one of the leaf veins that was broken it could be from dried milkweed sap. The milkweed sap beads up and then dries into little yellowish white round balls that sort of look like eggs. If they are eggs, all of the spots would appear the same uniform size. You can experiment yourself on a fresh milkweed leaf by poking little holes and see if the sap dries the same as the other leaf you found. Other than that it is difficult to tell from the photo.

And usually when you find milkweed tussock moth eggs, they are found in large groups of something like 3 million plus eggs...... LOL!

I think they are monarch eggs,and the cat sounds like a monarch too.I find lots of 1st instars eating the flower buds.

So I find this other cat...... LOL My son an I went to get some fresh milkweed for the cat we had, and low and behold, another one! Except this guy was stuck under a garden spider and next to a ladybug. That spider wasn't gonna give him up, I thought for sure he'd already paralyzed it the way it was gaurding his food. But I got him away, unharmed (I'm a spider lover, so it was hard for me to steal his food, but I did anyways) I took the leaf he was on, and grabbed some extra milkweed. He wasn't bitten, started moving around as soon as I got him away from the big bad spider. Same kind of cat as the first, but about 3 times the size, still really little though. I'm pretty sure they are monarch cats.

Oh, and remember I said I felt guilty about mowing down a bunch of milkweed when i first got here, This new guy happened to be on one of 3 that I just happened to skip over and never got around to going back to mow it. I find that kinda ironic.