DADDY LONG LEGS PLAGUE: Is insect heading our way world's most poisonous animal?

Could a daddy long legs really kill you?
Could a daddy long legs really kill you?
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A plague of 200 billion daddy long legs is heading to our region - but is the insect really the world's most dangerous?

Many claim that the gangly, fluttering critter is the world's most lethal - and has enough venom to kill a human being.

But the claim that the daddy longlegs is the "world's most poisonous animal" is actually an urban myth.

According to hoax busting site Snopes, the claim has a few ambiguities to it.

First of all, "poisonous" and "venomous" are two distinctly different qualities: poisonous animals give off toxins which are absorbed when they are touched or eaten by attackers; venomous animals transmit toxins by injecting them into their victims.

Secondly, more than one type of critter is referred to as a "daddy longlegs."

The crane fly is called a daddy longlegs in some parts of the world, but it is not venomous and nor is it a type of spider.

The pholcus phalangioides, also referred to as the long-legged cellar spider, is an example of a "daddy longlegs" spider, probably the one referred to here as being the world's "most poisonous animal."

In terms of being poisonous (i.e., posing a danger to people who might eat or handle it), a daddy longlegs spider can't compare to the South American poison dart frog. And according to the spiders and other arachnids site at the University of California, Riverside, there's no evidence that daddy longlegs spider venom poses any danger to humans.

There is no reference to any pholcid spider biting a human and causing any detrimental reaction. If these spiders were indeed deadly poisonous but couldn't bite humans, then the only way we would know that they are poisonous is by milking them and injecting the venom into humans.

Furthermore, there are no toxicological studies testing the lethality of pholcid venom on any mammalian system (this is usually done with mice). Therefore, no information is available on the likely toxic effects of their venom in humans, so the part of the myth about their being especially poisonous is just that: a myth. There is no scientific basis for the supposition that they are deadly poisonous and there is no reason to assume that it is true.

In the pantheon of venomous animals, the box jellyfish is a particularly bad creature for humans to encounter. With the realm of venomous spiders, the funnel web spider or the brown recluse spider are among the most dangerous to people.