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Diptera.info :: Identification queries :: Other insects, spiders, etc.
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Trochulus hispidus << Mollusca ID
BartNap
#1 Print Post
Posted on 20-11-2020 13:08
Member

Location: Poznan, Poland
Posts: 187
Joined: 27.09.20

I’ve had issues to identify this snail for long time already. ... 09.10.2020, garden, NW Poland
BartNap attached the following image:


[233.74Kb]
Edited by BartNap on 22-11-2020 11:01
 
eklans
#2 Print Post
Posted on 20-11-2020 14:57
Member

Location: Franconia, Germany
Posts: 695
Joined: 11.11.18

Hi Bart, looks like a hairy one: Helicodonta obvoluta?

Greetings, Eric
Edited by eklans on 20-11-2020 15:00
 
BartNap
#3 Print Post
Posted on 21-11-2020 10:49
Member

Location: Poznan, Poland
Posts: 187
Joined: 27.09.20

Hi Eric, thank you for your response. I came across this species while trying to sort out what lives in my backyard. However, according to the information I found on the internet, Helicodonta obvoluta lives only in SW Poland, in the mountains and it inhabits forests. It doesn’t match where I found it at all (NW Poland, lowland, a dry backyard).
 
eklans
#4 Print Post
Posted on 21-11-2020 11:16
Member

Location: Franconia, Germany
Posts: 695
Joined: 11.11.18

Hi Bart, yes - Helicodonta obvoluta is associated with woodland (that's why it's common in my garden). What about Trochulus hispidus (Trichia hispida)? This one (ślimak kosmaty) is reported from Poland, but this one seems to be not as flat as the one from your image.

Greetings, Eric
 
BartNap
#5 Print Post
Posted on 22-11-2020 09:43
Member

Location: Poznan, Poland
Posts: 187
Joined: 27.09.20

Thanks Eric for your suggestion, but I have no clue. I found another picture, I think it's the same species.
BartNap attached the following image:


[132.96Kb]
 
eklans
#6 Print Post
Posted on 22-11-2020 10:44
Member

Location: Franconia, Germany
Posts: 695
Joined: 11.11.18

Hi Bart, that looks good for Trochulus hispidus (though I'm not an expert for the snails).
If you look at https://en.wikipe...s_hispidus you may find, that it resemble yours quite well - and the hairs are worn off, too - as do mine Wink .

Greetings, Eric
 
BartNap
#7 Print Post
Posted on 22-11-2020 11:00
Member

Location: Poznan, Poland
Posts: 187
Joined: 27.09.20

Another mystery solved by Eric, thank you!
 
libor
#8 Print Post
Posted on 22-11-2020 13:31
Member

Location: western Bohemia
Posts: 1146
Joined: 30.05.09

It is T. hispidus. It is a very "plastic" species looking quite differently on various stands. The DNA analyses also showed, that more hairy population with higher shell called formerly T. sericeus is nothing more than a form of T, hispidus. Time to time both forms can live together.
Libor
 
BartNap
#9 Print Post
Posted on 22-11-2020 14:02
Member

Location: Poznan, Poland
Posts: 187
Joined: 27.09.20

Awesome, also thank you for sharing your knowledge with us, Libor.
 
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28.11.20 19:50
Never letting them to dry too quickly before Grin?

24.11.20 16:44
Anybody knows how to avoid compound eyes invaginating when drying and how to restore them?

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You can edit your own thread - button "Edit" below.

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Can I edit a thread subject?

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Use “new thread” buttom right below

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How do I post ? Smile

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That woul be up to me, as an administrator. Smile

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ah ok ! I didn't knew oops !

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