Forum europäischer Spinnentiere

Sonstig Faunistisches (Other faunistic topics) => Sonstiges zu Spinnentieren (Other aspects of arachnids) => Thema gestartet von: Rob Versteeg am 2021-09-22 20:30:03

Titel: inflated palpbulbs
Beitrag von: Rob Versteeg am 2021-09-22 20:30:03
Does anyone know as to why this male Trochosa has partly inflated palpbulbs?
I found this Trochosa (I expect it to be T. terricola) this afternoon in leave-litter.
I collected this specie and it is still unchanged. I have never seen it before.
2021 09 22 7117_x.jpg
*2021 09 22 7117_x.jpg (172.5 KB . 800x532 - angeschaut 145 Mal)
Titel: Re: inflated palpbulbs
Beitrag von: Martin Lemke am 2021-09-22 20:51:59
Inflated palpbulbs are the pest! Some times, I can find relevant details, sometimes I can't.

In this case may be Haralds drawings are helpful:
(https://wiki.arages.de/images/5/5b/Trochosa_palp_vergleich_HLovbrekke.jpg)
(https://wiki.arages.de/images/7/7c/Trochosa_embolus_vergleich_HLovbrekke.jpg)

on: https://wiki.arages.de/index.php?title=Trochosa_terricola (https://wiki.arages.de/index.php?title=Trochosa_terricola)

Trochosa spinipalpis can be excluded by the palp-tibias hair field.

But most time with inflated palps, it is hard to detect the relevant details, 'cause the palp symmetrics are changed.

Martin
Titel: Re: inflated palpbulbs
Beitrag von: Rob Versteeg am 2021-09-22 20:58:30
Thank you! I take it that it sometimes happens (perhaps not to often) ;-) I will try to find sufficiant details like you suggest.

Regards, Rob
Titel: Re: inflated palpbulbs
Beitrag von: Martin Lemke am 2021-09-22 21:02:06
May be the embolus in this case has another shape.

Good luck!

Martin
Titel: Re: inflated palpbulbs
Beitrag von: Rob Versteeg am 2021-09-23 14:33:42
How about this !   :)  2021 09 22  10 troch bulb.jpg
*2021 09 22  10 troch bulb.jpg (87.09 KB . 800x536 - angeschaut 114 Mal)
Titel: Re: inflated palpbulbs
Beitrag von: Simeon Indzhov am 2021-09-23 14:40:35
How about this !   :)  2021 09 22  10 troch bulb.jpg
*2021 09 22  10 troch bulb.jpg (87.09 KB . 800x536 - angeschaut 114 Mal)

Terricola :)

Simeon
Titel: Re: inflated palpbulbs
Beitrag von: Rob Versteeg am 2021-09-23 14:45:56
Simeon: this was an easy one !  ;D
Titel: Re: inflated palpbulbs
Beitrag von: Martin Lemke am 2021-09-24 21:01:59
Applause!

I have added Your photo to our Wiki:
https://wiki.arages.de/index.php?title=Datei:2021_09_22_10_troch_bulb.jpg (https://wiki.arages.de/index.php?title=Datei:2021_09_22_10_troch_bulb.jpg) (your photo)
https://wiki.arages.de/index.php?title=Trochosa_terricola#Bilder (https://wiki.arages.de/index.php?title=Trochosa_terricola#Bilder)

Please have a look to the copyright info, if it is OK for You or you may say how to change.

Best wishes

Martin
Titel: Re: inflated palpbulbs
Beitrag von: Rob Versteeg am 2021-09-25 10:43:09
Sehr schön!  (keine Problemen :-)