Infertile females Saturniidae

  • Hello,
    For all my experience with Saturniidae, sometimes some females hatched from pupae, spread their wings well, but they were fruitless. I dissected these females (cut) and saw that in the abdomen, no eggs. :confused_face:
    Such a paradox I have seen these types: Actias selene, Antheraea yammamai, Antheraea mylitta, Argema mittrei.
    I'm wondering what could be the cause of barren females?
    Is it possible infertility of males?


    I will be glad to any of your comments.



    Jevgenij

  • ANZEIGE
  • Hello Jevgenij,
    Sometimes it can become due to poor nutrition quality of foodplant used for breeding. Just now I have one of my dubernardi females the same as You described - abdomen without eggs - only 1 (!) inside. I used not good food - Picea pungens - and caterpillars needed about 2 months for full development. Now I am using for fresh generation qualitz Pinus nigra and thez grow like from water :smiling_face:
    But it is only my theory, that hungry body use nutriens first for body development and then for genitals development.

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