Milkweed beetle

A favorite subject of mine is around again:


I’ve been seeing them for the last week or two, but there are lots of them now. I counted 15 in one small milkweed patch.

11 thoughts on “Milkweed beetle

  1. I LOVE LOVE LOVE these beetles. Tell me they aren’t cute! I have a large number of them as well on milkweed in my backyard. Wonderful photo once again.

  2. I have a question about these milkweed beetles. Are they in any way a threat to Monarch eggs or very small instars? I usually have many more eggs by now and instead I have an incredible number of beetles. Are they eating the eggs perchance?

    • No, I don’t think they are a threat at all. Milkweed beetles eat milkweed leaves – that’s what I’ve observed. I’ve never read that they are a Monarch predator. Milkweed beetles have a quite brief season as adults that doesn’t overlap with the Monarch breeding season in my area. I suppose the beetles compete with adults for eating the leaves – but doubt that’s an important factor.

      Monarchs do have predators, such as birds. Here’s a link to a Monarch Watch page on Monarch predation and disease:

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