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  • »JohnEs81« ist männlich
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1

Dienstag, 8. November 2022, 19:55

Halyomorpha halys? -> Bestätigt

Hallo zusammen,

Ist das Halyomorpha halys?

Berlin-Spandau, November 2022

Freundliche Grüße
John
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Gregor Tymann

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2

Dienstag, 8. November 2022, 22:25

Hallo John,

passt so. Die werden langsam aber sicher immer mehr. Im Moment probieren sie zwecks Überwinterung in Häuser einzudringen.

Schönen Gruß

Gregor

  • »zobel« ist männlich

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Dienstag, 8. November 2022, 23:52

Hallo,
in Wien ist es inzwischen - meiner Beobachtung nach - neben Nezara viridula (eine andere invasive Art, die sich hier n den letzten Jahren enorm verbreitet hat), die häufigste Wanzenart (mit Ausnahme vielleicht der Feuerwanze).
Da steht Euch noch einiges "ins Haus".
Beste Grüße,
Konrad

Gregor Tymann

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4

Mittwoch, 9. November 2022, 00:44

Hallo Konrad,

die Erfahrung, daß aus Österreich nichts Gutes kommt, haben wir ;-)

Beide Pentatomiden werden hier immer häufiger, wobei nur H.halys herbstlich zudringlich ist. Hier war in diesem Jahr Dolycoris baccarum der absolute Baumwanzen-Favorit, aber mal sehen, wie das Rennen demnächst ausgeht.

Schöne Grüße

Gregor

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Mittwoch, 9. November 2022, 07:24

Hallo zusammen,

I have trouble thinking in German language whenever i am sleepy. I just woke up and i need my coffee.

I should have posted more photos. My apologies for this error. I am still battling an illness and not thinking clearly. Anyway, i found a nymph at the end of Ocober. My Wife and i believe that the nymph is H. halys. I have been looking for Halys since 2017 but i have not seen it. I saw an adult on the same day as the nymph but i assumed that it was Rhaphigaster nebulosa (it is always what i find around here.) I am geting old and i cannot see so well without glasses. I decided to keep looking for the adult and i finally found one. I have added some more photos for evidence. I am not a Wanze specialist, so i really do not know if it can be confused with anything similar (other than R. nebulosa).

Konrad, i am hoping to get more flies from Austria. You have a few species that i am interested in meeting, which are not yet in Germany.

Best wishes,
John
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Mittwoch, 9. November 2022, 12:52

Hi John,
get well soon!
Halyomorpha halys has become quite common in Berlin recently. In autumn, nymphs and to a lesser degree adults can often be found on bridge railings, fences and the like. I feel like the peak was reached in October, now they might get more
difficult to find, as the adults retreat to winter habitats, I guess.

I wonder a little about the nymphs' (instars 3+ mostly) behaviour, sitting around on man-made structures all exposed - I didn't see them wander/migrate or anything. On a nearby bridge I saw 5-7 specimens every single time I looked for them in September and October, sitting there and getting older (later instars) over time, seemingly without feeding. Not sure, if they were feeding at other times of the day/night or were wandering after all (and I observed different specimens) - I also found a couple of exuviae on that bridge, though. Their average number didn't seem to change over time, despite spiders there, and birds, too, of course.

If you are interested in some pictures of my observations: https://www.inaturalist.org/observations…&verifiable=any

Regards, Alex
Edit: 4 nymphs and 1 adult on that bridge railing today. It occured to me, they are usually near the middle of the railing, where ornaments provide cover, or on the eastern side, where ivy grows below the railing. I assume they feed there, found Halyomorpha halys on Hedera helix several times before.

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Mittwoch, 9. November 2022, 17:13

die Erfahrung, daß aus Österreich nichts Gutes kommt, haben wir ;-)


Hallo Gregor:
Den A.H. haben wir doch mit den österreichischen Geschäftsführern von RTL (Helmuth Thoma und dann Gerhard Zeiler) längst aufgewogen - sozusagen TV-Freud statt Nazi-Leid.

Hallo John: best wishes for your health also from me. As far as flies are concerned, I wouldn't know what's important. It's an area for which I just can't find enough time. Maybe that will change. For now, I'm trying to get firm at least with true bugs and cicadas etc. By the way: you will soon long for the time when H. halys was a rare find. I think that the instars are quite easy to tell from similar species by the thorny edges of their pronotum.

Best regards, Konrad

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Freitag, 11. November 2022, 07:30

Hi Alex Thank you for the link to your observations. You have some very nice photos of this species. I have only seen it twice now. well, three times if you count the nymph. I imagine that eggs have been laid in autumn, so i will probably see more of it next year in Spandau. I found my specimen on a building. The same building that i found the nymph (my Hausartzt has an office in this building. I was waiting for my Wife when i found the nymph.)

Hi Konrad I hope that you are doing well. I like cicadas but i have alot to learn about them. I just started documenting insects in 2015. I usually ignore them as a child/teenager in favor of birds. I love birds. My first encounter with a cicada here in Berlin was Stictocephala bisonia in 2015. I had to laugh because i would look at on the grass blade and it would move to the other side of the grass blade. So i look left and it moves right. I look to the right and it moved to the left. I laughed. What a cute little insect. I learned that it was a cicada. I have been saying that i like cicadas ever since. I document everything that i encounter including plants. I favor spiders and flies for serious scientific work. I taught myself how to dissect and identify. I am better at dissecting spiders than flies. Anyway, i hope that you find more cicadas :)

yay! today is Friday :)

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Samstag, 12. November 2022, 14:45

Hi John,
yes, the hide and seek behavior of many cicadas is really cute. I also love how some, like Orientus ishidae, sit there and look at you putting their weight first to one side, then the other, and so back and forth till they get tired of your just staring at them and take off. Of course, some of the jumping spiders are neat fellows as well.
Have a good weekend,
Konrad