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Tassie Nasties


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#1 OFFLINE   Mystic

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Posted 27 December 2007 - 03:57 PM

This question was asked by a visitor to our old site, we thought it worth reproducing here.

Hi Anna and Margie,

Thank you for your help and response. In further Internet research we have
come across some critters that are of concern to us, mainly the Jack Jumper.
As our wish is to live in a rural area and farm, we thought that you would be
the ones to ask beause of your experience in the outdoors. How bad of a problem do you
think the ants are and are they a problem everywhere in Tasmania or only in certain
areas? Also anything you can tell us about the snakes and spiders would be appreciated.
There are plenty of poisonous critters here in South Florida ( 3 kinds of rattlesnakes, coral
snakes, water moccasins, copperheads, brown recluse spiders, scorpions and fire ants. However, fire ants have never caused anaphylactic shock or death.

Thank you.

Danny

The response....

Hi Danny

Good questions, and I think raising issues that concern many visitors to not only Tasmania, but Australia in general.

Australia is often referred to as one of the deadliest places on the planet with various critters than can kill across almost all species, including shells, and a fish that looks identical to a rock that will potentialy kill you should you accidentally step on it. Despite the widespread distribution and prevalence of such nasties, Australians tend not to overly concern themselves with such natural features.

The Jack Jumper ant.... curiously, this ant is not restricted to Tasmania, as the following quote reveals...

QUOTE
The Jack jumper ant has a widespread distribution
These ants are found in Tasmania, Victoria, The ACT, the Snowy Mountains of New
South Wales and coastal New South Wales, the Adelaide Hills in South Australia, and
with some pockets reported in the Blue Mountains, some parts of Western Australia and
unconfirmed sightings in Queensland. It is likely that there are other (as yet undescribed)
habitats as well, and that observations relate to interactions between ant colonies and
human habitats



Surprisingly though, with such a widespread distribution, this is the first time I have heard anyyone raise the question regarding their danger. Anaphylaxis is not, strictly speaking, a direct result of the venom, though is a reaction in those who may be allergic to the venom in the first place. Although it is far more common to read about people suffering such reactions to bee stings, research seems to point to allergic reactions from this ant being more common than it is for bees. (As an aside, one of the most common causes of anaphylaxis in older people is peanuts... would you now be afraid of a peanut?).

I have spent time in the bush in most states of Australia, and although the description of this ant seems to point to one that I am familiar with, I do not think I have ever been stung. I doubt you would find any Australian terrified of such ants, and the most likely response to questions regarding their danger would be met with "they don't tickle" and a laugh.

Tasmania has 3 varieties of snake, the copperhead, Tasmanian Tiger, and the thin lipped whip snake. The copperhead is the only snake alive that can exist above the snow line, and can also be found in winter. These snakes are aggressive if approached. The Tasmanian tiger snake has very short fangs when compared to the mainland species, yet is highly venomous. These are quite common throughout the state. The thin lipped whip snake is a very small snake and supposedly also common, though I have never seen one in the wild. They are also highly venomous. I do not want to scare you, but our three snakes are among the deadliest in the world.

Common sense stops Australians being killed by snake bite. To be honest, I cannot recall the last time anyone died from a bite, it simply does not happen. People being bitten is also rare, but then again, we grow up with these things, have respect for them, and use common sense when wandering through the bush. Although I have seen many tourists set out on bush walks in shorts, it is not something I would do personally, neither would any intelligent Australian, no matter which state they lived in.

The vast majority of snake bite cases result from people trying to catch them, or interfering with them in some way. These things are more scared of you than you are of they, and will, if they can, run to avoid you. Corner one, and you get what your stupidity deserves.

Reports of tiger snakes, in particular, being found around homes in rural areas is not uncommon, which may sound rather frightening, but, to be honest, I again think it would be difficult finding an Australian rural dweller who is paranoid about the things. They are just another part of nature, and part of Australia. Tasmania has far less species of poisonous snake than the mainland though.

We have our share of deadly spiders, again, another common nicety about Australia as a whole, though, unless you go looking for them, it is unlikely you will ever encounter one. I was trying to do some research on the Tasmanian Funnel Web spider last year. This critter was, as I understand, believed to be extinct (though I have lost the original source of this information). Apparently a healthy community of them was discovered in one region of the state, a very small area at that. I do not know of any Tasmanian reports of bites.

The Tasmanian cave spider is another nasty little critter, but only found in the entrance of caves in certain areas. Again, not one that poses any great threat.

One that is common on the mainland is the red back spider. People have told me they do exist in Tasmania, though we have never seen one, despite often scrabbling through the kinds of places where these spiders love to live, and where, had we been on the mainland, we would have definitely found nests of them. They seem to be much rarer down here.

During our travels around the state we have also found small scorpions, though it is my understanding that the Australian scorpion is not deadly, unless you may be allergic to its venom. I have not heard any cases of a person being killed by one of these.

The bottom line though, is that yes, Australia contains a very large species of critters that will kill a person, however, such reports are either rare, or just do not happen. The funnel web spider, for example, is spread across virtually the entire country, in large numbers, but the last reported death from a bite was around 20 years ago.

Most people killed by any kind of critter in Australia are usually tourists. I think the most common report of anyone being killed by a nasty would have to be American tourists and crocodiles. (We do not have crocs in Tassie).

Growing up in this country tends to create a carefree attitude towards such things. There are literally thousands of things out there that potentially could be the end of you, but, for some reason we just do not really think about it. When walking through the bush, I am always aware of the potential for a snake encounter, though in many years of bushwalking I have only actually seen about 6 of them in total, and most of those were quickly glimpsed as they ran away. (I always carry a staff when bushwalking, and bring this down heavily on the ground in front of my next step, perhaps this is why I rarely see snakes).

Margie and I discussed this subject during our recent trip, especially as we had becopme fascinated by the absolute myriad of spider species we had begun to notice all around us. If a person really stopped to think about, and become afraid of the Australian environment, they would be in big trouble. Sure, there are lots of things outside that may kill you, but lots of these things can also be found indoors too. If you wanted to get paranoid about the deadly Australians, you would leave the country. The fact is we don't!
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#2 OFFLINE   CoastalCanuck

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Posted 11 April 2008 - 03:43 AM

No mosquitoes, horse flies, black flies, no-see-ums, or other biting/blood sucking flies?

I've read that Tassy is the only state, perhaps in the would that has no fruit flies. Excellent work on the quarantine!

#3 OFFLINE   Mystic

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Posted 11 April 2008 - 09:45 AM

We do have mosquitoes, and on the east coast in particular, these can carry Ross River Fever and Malaria. My partner was bitten by mosquitoes in the east once and it took around 3 months before the blistering and swelling finally gave way, leaving her hand scarred in the end.

March flies can have an irritating bite, and they are quite common as well. I don't know of anyone suffering ill health as a result of these though.

Quarantine works hard to keep Tasmania protected from a range of possible problems. Every visitor to the state is going to meet our sniffer dogs and quarantine controls. We work much harder at preventing the importation of biological hazards than most places do on the importation of drugs.
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#4 OFFLINE   tasadam

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Posted 09 November 2008 - 10:16 AM

You can come across European wasps too - a nasty story of mine here

I took a cave spider photo... Hang on... Here it is...



And there are lots of pretty snake photos here http://www.redbubble.com/groups/tiger-snak...techis-scutatus

I have seen redbacks in Tassie, but not often. They're smaller than you think.
Last time I saw one was in the toilet block at the top of Mt Nelson in Hobart, quite some years ago. And they're not going to run after you and HUNT YOU DOWN as you do your business.

Snakes are more common at certain times of the year. I saw one last weekend. Took a few photos, you'll find them on the snakes link.
I didn't get very close.
They flatten the back of their heads as an aggressive display, when they are ready to strike they sort of hiss or bark.
Last walker to die from snake bite in Tassie was 1966 and I think the last reported death was a snake handler and that was in the '70s I think.
After Christmas is mating season so they tend to be a bit more active and aggressive then. Just take a wide berth and have a good look around you as you walk. They are usually only found in the bush, you won't see them in the streets and stuff. Unlikely you will find one in a local park, but say if you were going to Liffey Falls or Leven Canyon, different story.

Info on Jack Jumpers - http://en.wikipedia.org/wiki/Jack_jumper_ant
One scary bit - jack jumper ants cause more deaths in Tasmania than spiders, snakes, wasps, and sharks combined.
So if you think you have an allergy, have ane "epipen" with you.

There's leeches too, and more discussion on snakes.

Sorry about all the links, it seems it's been said in various places so easier to link.
Hope it helps.

Hey, at least we don't have bears over here!
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#5 OFFLINE   toni_n_daz

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Posted 10 November 2008 - 03:43 AM

QUOTE(Strange Anna @ Dec 27 2007, 04:57 PM) View Post
Tasmania has 3 varieties of snake, the copperhead, Tasmanian Tiger, and the thin lipped whip snake.

The thin lipped whip snake is a very small snake and supposedly also common, though I have never seen one in the wild. They are also highly venomous.



Sorry Anna but a couple of corrections to your post.....

1. The first 2 snakes named are correct however, the 3rd is in fact called a White Lipped Snake.

2. The White Lipped snake is not highly venomous but actually classed as mildly venomous. Generally speaking a bite victim will only have symptoms or effects if they are allergic to bull ants, bees, wasps etc.

Depending on where you go as to whether you will see one in the wild....I have a few personal locations that am 95% gauranteed to see/capture White lips.

Cheers,

Darron

#6 OFFLINE   Son of a Beach

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Posted 11 November 2008 - 06:56 PM

I don't think mosquitoes in Tasmania can transmit Malaria (see http://www.cdc.gov/malaria/biology/mosquito/map.htm ), but Ross River Fever is certainly an issue.

#7 OFFLINE   tasadam

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Posted 11 November 2008 - 07:56 PM

QUOTE(toni_n_daz @ Nov 10 2008, 04:43 AM) View Post
2. The White Lipped snake is not highly venomous but actually classed as mildly venomous.

Or to be precise,
QUOTE
All three Tasmanian species are capable of injecting venom, although the venom of the white-lipped snake has never been recorded as causing death to a human.

and
QUOTE
White-lipped snakes have small fangs and small venom glands. While they are unlikely to cause serious injury to healthy adults, some people may be sensitive to the venom and in case of a bite first aid should be applied and medical assistance sought. For further information see our Living with Wildlife web pages.


Taken from the parks site - http://www.parks.tas.gov.au/index.aspx?base=3198
and
http://www.parks.tas.gov.au/index.aspx?base=5283
respectively.
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#8 OFFLINE   Mystic

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Posted 11 November 2008 - 09:07 PM

QUOTE(Son of a Beach @ Nov 11 2008, 07:56 PM) View Post
I don't think mosquitoes in Tasmania can transmit Malaria (see http://www.cdc.gov/malaria/biology/mosquito/map.htm ), but Ross River Fever is certainly an issue.



I myself was a bit surprised by this. The information I based that on is to be found on signs at various amenities blocks around Chain of Lagoons and St Helens area campgrounds.
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#9 OFFLINE   toni_n_daz

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Posted 11 November 2008 - 10:56 PM

So as stated....The Drysdalia coronoides is classed as mildly venomous (and not highly)....Therefore also explaining why some adults may have a reaction (allergies to bees, wasps etc).

#10 OFFLINE   Son of a Beach

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Posted 12 November 2008 - 07:26 AM

QUOTE(Strange Anna @ Nov 11 2008, 10:07 PM) View Post
I myself was a bit surprised by this. The information I based that on is to be found on signs at various amenities blocks around Chain of Lagoons and St Helens area campgrounds.



ah, thanks for the clarification. I wonder where the sign makers got that information. Sure sounds odd.

#11 OFFLINE   loyalcelt

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Posted 25 February 2010 - 01:32 PM

Right then, have to make a small correction on the original post. There are only 4 poisonous snakes in South Florida, the Coral Snake (a colourful, wee little snake that has the same venom type as the cobra, so it is a very nasty bite if you should get one), the Eastern Diamondback Rattlesnake, the Pygmy Rattlesnake and the Cottonmouth (or Water Moccasin). There are Copperheads to be found in the northernmost parts of the state. I realise of course, that all this is a moot point for Tasmania, but good to know all that volunteer time at the Nature Center wasn't for naught. smile.gif

As an aside most of South Florida is now covered by pavement anyway....so if it's nature you want, good luck with that.




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