Pieris rapae geschlüpft-keine Nahrungsaufnahme-kaltes Wetter

  • hallo, ich bin mir nicht ganz sicher. Die Raupe war grün und ist grün geblieben. Ich glaub das ist der kleine Kohlweissling. Dann hat sie sich verpuppt. Heute mittag geschlüpft. Wir haben feucht kaltes Wetter. Ich habe ihr Zuckerwasser geben wollen, sie hat nicht reagiert. Flügel waren noch weich. Jetzt ist es dunkel und es hat nicht gefressen/getrunken. Sie ist am offenen Balkon.


    Wohnzimmer ist glaub ich keine Option. Überlebt sie heute Nacht ohne Nahrungsaufnahme? Kann ich sie morgen freilassen? Die Flügel werden dann ja auch ausgehärtet sein, nehme ich an. Danke, lg

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  • Sugar water isn't a nectar substitute, use honey and water, and a sports drink like Gatorade.

    It can take a day or so before newly hatched butterflies can be fed, Butterflies nearly always need fed

    by hand, it's labor intensive, and takes patience. There may be a video on the site if you try searching, or even

    You Tube showing the technique.

  • hi thanks, I did not use sugar water, I of course meant honey water solution. I did not want do keep the butterfly at home. I asked for help if I can release it with this weather condition, cold and rainy. I set him free today but still thinking if this was a good idea. There are no much flowers left. Maybe I should have kept in captivity. But I thought, nature will know. Why did it hatch though the weather?

  • Wahrscheinlich hast Du einen Südbalkon, und die Puppe stand tagsüber in der Sonne, was nicht so naturidentisch ist.

    Doch, es fliegen noch Schmetterlinge. Frostspanner, Winterspanner etc.

    Wenn die Sonne scheint, fliegen auch im tiefsten Winter manchmal überwinternde Tagfalter wie Tagpfauenauge, Großer Fuchs, Admiral. Aber nur, um sich anschließend eine besser geschützte Stelle zu suchen.

    Ich könnte mir vorstellen, dass es auch im aktuellen Schneewetter noch ein paar Kohlweißlingsraupen gibt. Aber Pieris rapae überwintert nicht als Imago.

  • Sugar water isn't a nectar substitute

    That's not true. First of all, honey is mainly sugar anyway, so you could argue that it's also sugar water. This is however just a wording thing. It depends on the type of sugar, whether it can be used as nectar substitute or not. Nectar usually consists of sucrose, glucose and fructose in varying proportion. So these three sugars can definitely be digested by butterflies, although glucose and fructose don't need to be broken down and are probably metabolised quicker. I think the best option is glucose since it is more widely available than fructose. Sucrose should also be fine however and everybody should have that.


    Greetings Dennis

  • The white sweetener everyone pours into their coffee is sucrose unless you're very fancy and using some weird sugar like xylose or whatever. As I said it's probably not the best but it's perfectly fine to feed butterflies with and is also contained in honey. You can certainly keep them alive with that. It might be missing important nutrients for egg development in females but that's a different story (I'm not quite sure whether this can be the case though, might depend on the species). I don't know what sugar is typically used for hummingbird nectar, since that is not something you would get in Europe (surprise). I would kind of expect it to be sucrose as well though. At least I found lots of recipes with that.


    Greetings Dennis

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