Venom - Dolichothele diamantinensis

EDED

Arachnobaron
Old Timer
Joined
Aug 12, 2004
Messages
549
exoterra are expensive too , yikes

interesting stuff here, NW with urticating hair could possilby mean mild venom?

kind of unrelated but do you guys feel certain urticating hairs are more itchy than other species? is it due to the types of the hair? i forget how many different types are there.
I find stirmi and G. pulchra to be most annoying and other nw I seem to be okay with.

another unrelated, but OW is what i keep most and
C olivacea sling caused surprisingly painful bite. only time ive ever gotten bitten by a t after all these years, a damn sling. Icy cold sensation then throbbing pain localized and small area, but could feel it till next day....a smalllll sling!
 

The Grym Reaper

Arachnoreaper
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Jul 19, 2016
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kind of unrelated but do you guys feel certain urticating hairs are more itchy than other species? is it due to the types of the hair? i forget how many different types are there.
I find stirmi and G. pulchra to be most annoying and other nw I seem to be okay with.
There's half a dozen types IIRC, I only react to Lasiodora/Acanthoscurria/Phormictopus hairs so far (repeated exposure can worsen a reaction or create one where there wasn't before), Lasiodora are by far the worst out of the bunch in my experience.
 

EDED

Arachnobaron
Old Timer
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Aug 12, 2004
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interesting thing also is that
usually constant exposure to harmful stuff lets say allergen, one can get used to it, for example i am allergic to dogs but more to dirty ass cats, dont like cats sorry ahah,
anyways, for several years there was no dog in the house when before pretty much lived with one all my life. Once I got my two dogs some years ago i initialy reacted to dander and all sorts but quickly the responses were attenutated due to constant exposure.
However my limited experiences and other keepers who have kept Ts for many decades alot of them can not keep NWs anymore the response to the hair got worse and worse not attenuated. I mean this is more physical irritation compared to chemical or biological reaction maybe thats why?
 

Storm76

Arachnoemperor
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Jan 30, 2012
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There are Type I through VI. Apparently Type III and IV are the most irritating to us humans I believe.

As for their effects, they vary from person to person. The only thing that I think the majority of us can agree upon, is that continued exposure often makes the reaction to them worse.

When I started this hobby I was barely phased by them. Nowadays my B. auratum causes a very mild burning sensation in comparison to the itching I experienced before. Avics didn't bother me at all back then, nowadays I get a severe itching when I worked in their enclosures. A. geniculata are quite annoying to me even, but that's one T I'll get again despite that - they're just too awesome not to have in a collection.

And sadly, I can't stand Theraphosa spp. - otherwise I would've long gotten one. But they cause pain and rash to me so...no bueno.
 

Crystal Spider

Arachnopeon
Joined
Jun 22, 2018
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23
(PRESUMABLY) mild venom
+
urticating hairs absent
+
unique and beautiful
=
Dolichothele diamantinensis
 
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SonsofArachne

Arachnoangel
Joined
Dec 10, 2017
Messages
961
Unbeliavable unholy pain and yes, unfortunately you will die... but before the advent of the Tristo Mietitore (vulgar 'Death', in English) for a moment your face will turn exactly like Walter Ulbricht's one, and - according to the Myth - you still have the time for a (last) speech about the importance of the radio for the proletariat and social life issues, in general :bored:
Thanks for the info. I have one of these and now I know at least my death will be interesting.;)
 

Crystal Spider

Arachnopeon
Joined
Jun 22, 2018
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First meal: I made a small/medium desert locust (Schistocerca gregaria) drop her hind legs and fed it to the diamantinensis. It was much smaller than the spider and she grabbed it quickly.

It took her nearly two hours to finally kill the desert locus. Bite, web, repeat...

So it seems that the venom of my female is rather mild. Has anyone made similar observations?
 

Crystal Spider

Arachnopeon
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Jun 22, 2018
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It didn't kill the desert locus. After the two hours "fight" the spider was on top of it for many hours and I thought she was eating. The next day she was sitting near the webbed locus and I thought she would continue to eat it later. Then the locus started to move slowly and freed itself from the webbing. It looked complete, but stunned. I took it out and killed it.

Is that normal? Did the spider only stun the locus in order to keep it alive for a future meal?
 

Torech Ungol

Arachnosquire
Joined
Jul 8, 2017
Messages
119
interesting thing also is that
usually constant exposure to harmful stuff lets say allergen, one can get used to it, for example i am allergic to dogs but more to dirty ass cats, dont like cats sorry ahah,
anyways, for several years there was no dog in the house when before pretty much lived with one all my life. Once I got my two dogs some years ago i initialy reacted to dander and all sorts but quickly the responses were attenutated due to constant exposure.
However my limited experiences and other keepers who have kept Ts for many decades alot of them can not keep NWs anymore the response to the hair got worse and worse not attenuated. I mean this is more physical irritation compared to chemical or biological reaction maybe thats why?
No, that's the opposite of how allergic reactions work. You can only ever have a worse reaction to an allergen (https://medlineplus.gov/ency/article/000005.htm). You won't necessarily get worse, but you can't get better. All that's happening in your example is that you've learned to live with the same amount of discomfort.
 

boina

Lady of the mites
Active Member
Joined
Mar 25, 2015
Messages
2,214
You can only ever have a worse reaction to an allergen
Well, it's actually more difficult than that. While the usual process does involve an allergy getting worse and worse, attenuation due to exposure is not unheard of. Desensitization protocols for allergies involve applying small quantities of the allergen to the patient on a regular basis in the hope of building tolerance and they are proven to work, though not always. Spontanous remission of an allergy may occur, though it's rare.
 

Torech Ungol

Arachnosquire
Joined
Jul 8, 2017
Messages
119
Well, it's actually more difficult than that. While the usual process does involve an allergy getting worse and worse, attenuation due to exposure is not unheard of. Desensitization protocols for allergies involve applying small quantities of the allergen to the patient on a regular basis in the hope of building tolerance and they are proven to work, though not always. Spontanous remission of an allergy may occur, though it's rare.
Neat. I was unaware of that, thank you. The more I learn about biology, the cooler it becomes. :)
 
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