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Pristerognatha agilana in a Jewelweed Stem? ID is tentative. I'm thinking maybe Pristerognatha agilana? It's the only stem borer I really know for this species. I investigated bore holes in Impatiens capensis (Jewelweed) and found an egg sac and a tiny larva? What do you guys think? Geotagged,United States Click/tap to enlarge

Pristerognatha agilana in a Jewelweed Stem?

ID is tentative. I'm thinking maybe Pristerognatha agilana? It's the only stem borer I really know for this species. I investigated bore holes in Impatiens capensis (Jewelweed) and found an egg sac and a tiny larva? What do you guys think?

    comments (5)

  1. View Christine Young's profile
    Christine Young
    Lion
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    Cool! It seems like the most likely ID, but I can't be sure. Great documentation! Posted one month ago, modified one month ago
    1. View Lisa Kimmerling's profile
      Lisa Kimmerling
      Lion
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      I'm hoping Charley will enlighten me tomorrow, but I've posted them on BugGuide as well.

      I was so surprised to find anything at all in the floppy, old jewelweed stems!       Posted one month ago
      1. View Christine Young's profile
        Christine Young
        Lion
        View Lion class
        A fun find for sure! Once we get a day where the temp is at least 40F here, I'm going to head out and cut open some stems. There are a bunch of plants I want to investigate. Posted one month ago
        1. View Lisa Kimmerling's profile
          Lisa Kimmerling
          Lion
          View Lion class
          Okay, looks like I'm going to have to split this up. The white thing is likely a parasitoid wasp (which emerged from a moth like the aforementioned P. agilana) cocoon . The second thing in frass is probably a dipteran larva! Posted one month ago, modified one month ago
          1. View Christine Young's profile
            Christine Young
            Lion
            View Lion class
            Nice! Posted one month ago

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By Lisa Kimmerling

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Uploaded Jan 23, 2021. Captured in 227 Oakman Rd NE, Oakman, GA 30732, USA.
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