**Southern California, US and less than 1cm **close up of caterpillar host plant milkweed ]1]1 help identify this caterpillar.%60%60" rel="nofollow noreferrer">%60%60" alt="enter image description here">

  • $\begingroup$ Are you sure the plant is milkweed? The flowers do not look correct. $\endgroup$ – Bryan Hanson Sep 2 '19 at 0:30
  • $\begingroup$ Welcome to Biology.SE! For identification questions please edit your post to: 1) include the location (e.g. country and region — the more specific the better), and 2) an estimate of the size of the creature. The location and size can be essential clues for identification. ——— If possible clear, closeup photos of the open flowers on the host plant would also be helpful. ——— Please also take the time to go through the tour and then the help pages starting with How to Ask questions effectively on this site. Thanks! 😊 $\endgroup$ – tyersome Sep 2 '19 at 5:29

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