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today we're going to talk about the

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urticating hairs of tarantulas so

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let's get started

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[Music]

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welcome to the tarantula collective my

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name's richard and if you're new to the

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channel i make videos about tarantulas

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scorpions and other inverts so if that's

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something you're interested in

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make sure you hit that subscribe button

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now we all know that some species of

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tarantulas have urticating hairs but

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when it comes to exactly which species

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have exactly what type of verticating

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hairs it seems a lot of us

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are confused on that topic so today

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we're going to dive deep

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into sete not literally though because

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that would be very itchy

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[Music]

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there are two types of tarantulas in the

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world divided up depending on what part

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of the world you find them

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[Music]

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there are new world tarantulas that can

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be found in north central and south

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america

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sometimes referred to as bird eaters

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and there are old world tarantulas that

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can be found in the rest of the world

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usually referred to as baboons old world

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tarantulas like those found in africa

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and throughout asia for the most part

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lack any urticating hairs

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though they do seem to possess much

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stronger venom

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there can always be exceptions to these

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rules especially as tarantulas have not

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nearly been studied as

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thoroughly scientifically as they

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probably should be at this point

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even the assumption that old world

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tarantulas have stronger venom than new

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world tarantulas

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with the exception of a few species has

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not been scientifically proven in all

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cases

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[Music]

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that being said it is easy to observe

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that old world tarantulas seem to be

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more defensive

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faster to flee and more apt to show a

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threat pose in an attempt to intimidate

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compared to new world species

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[Music]

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new world tarantulas are not as

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defensive but they do possess urticating

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sete that they will kick up in the air

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when they feel threatened

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around ninety percent of new world

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species have these hairs though some

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species like some opius

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do not possess them urticating setae can

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be found on the femura of the pedopalps

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or more commonly on the abdomen

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different types of tarantulas have

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different sette or combinations of setae

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located on different areas of the

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[Music]

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abdomen

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it is said that species of tarantulas in

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the gramostola lostyodora or acanthus

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curia genera possess the most urticating

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sete on their bodies

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but to different levels of effectiveness

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the er dedicating sete of gramostola

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species are typically harmless to humans

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and not very irritating at all

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though tarantulas in the acanthoscuria

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genus can have hairs that are much more

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irritating and can cause severe itching

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in rashes

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while specimens within the genus of

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theraposa are known to have the most

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serious urticating sete that can cause

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not only itching

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and rash but burning sensations bumps or

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blisters that can last for weeks

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as well as the possibility of causing

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breathing issues

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especially if the hairs are inhaled

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these hairs are not just kicked into the

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air in self-defense

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but they can also be used passively by

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some species

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and are transferred onto the webbing of

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their burrows and surrounding areas

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as well as onto their egg sacs in an

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attempt to ward off predators

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and counter to the common belief that

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one can build up a tolerance or immunity

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to hairs like can happen with medicine

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or alcohol

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the reaction to urticating hairs can

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become worse the more you are exposed to

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them

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some hairs you found slightly irritating

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in the beginning can become extremely

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uncomfortable after

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years of repeated contact leading some

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people to no longer even be able to stay

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in the same room as some of their

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favorite species that they have kept for

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decades

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because the discomfort has become so

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intolerable that is why it is important

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and even imperative to be careful when

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rehousing or interacting with your

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tarantulas and take precautions like

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wearing gloves

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eye protection and even long sleeves

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when there is a chance you can come in

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contact with the cete

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being macho and saying they do not

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bother you now

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may be true but after years of that

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mindset you may realize your resistance

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has turned into a sensitivity

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that could make keeping some of your

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favorite tarantulas very uncomfortable

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or even impossible

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while researching tarantulas it is

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common to come across descriptions of

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species

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stating different types of urticating

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hairs that use the numbers one through

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six

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though they usually go into no further

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detail about what this means or what the

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differences are between the different

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types

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in fact there are actually seven

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different types and some species have

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two different types of urticating

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setting

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so today we're going to break down the

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different types of hairs and explain

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what kind of tarantulas possess them

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type 1 hair these hairs are about 0.2 to

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0.6 millimeters and are embedded into

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the skin by a penetrating tip

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they are found on many species of

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tarantula except for the gramostola

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species

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they are also the only type of

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urticating hair possessed by the nondu

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carponius

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the p amazonicus and vitalius species

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these hairs are not just effective when

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kicked into the air but these tarantulas

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will also kick them onto their webbing

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and around their burrows

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as they are effective and quickly

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warding off creatures that come in

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contact with them

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type 2 hairs are a little larger

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measuring between 0.5 to 1.5 millimeters

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and are also embedded with a penetrating

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tip this type of hair is exclusive to a

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vicularia species

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pasha to pelme species and era de pelma

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species

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they are not kicked into the air as a

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cloud rather they are transferred by

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direct contact

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so when your evicularia is rubbing its

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abdomen on you it may look cute

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and you may think it's a sign of

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affection but it's actually trying to

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rub urticating hairs on

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type 3 hairs are around the same size as

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type 2 measuring

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0.3 millimeters to 1.8 millimeters

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and are also embedded by a penetrating

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tip these are known as the most

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effective and most irritating type of

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urticating hairs to vertebrates and

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invertebrates alike

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they can be found on species in genera

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like nandu

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mega fapelma rockypelma

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among many others

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[Music]

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type 4 these hairs are much finer than

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the previous urticating sete

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usually measured around 0.06 to 0.22

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millimeters

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and like most cete are embedded by a

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penetrating tip

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they are most commonly found on many

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species like those in the gramostola and

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youthless genus

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they are very irritating to small

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animals but are among the least

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irritating to humans

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so if you are sensitive to urticating

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hairs gramostola and youthless

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tarantulas are probably a very good

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choice for you

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type 5 these are extremely short and

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light compared to other types of

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urticating setting

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and instead of penetrating the skin they

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are embedded in hair follicles

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also unlike the previous sette these

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hairs are found on the femura of the

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petaps

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and are exclusive to the ephebopus

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species

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type 6 hairs are relatively rare and are

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found in the himmerhaga species and are

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also embedded in the hair follicle

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[Applause]

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[Music]

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type 7 these are the most recently

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discovered urticating hairs

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described by galves and perez miles in

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2016. they are exclusive to the

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colombian tarantula

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and the konkuamu genus and are different

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from other types of hairs

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as they have a small patch of reverse

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barbs near the tip

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and small main barbs extending the

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length of the sente

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even though most people are worried

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about the venom of the tarantula

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concern and attention should really be

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paid to urticating hairs

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this seemingly innocuous defense

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mechanism is often

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overlooked or even joked about among

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tarantula keepers

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but if you have ever been on the

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receiving end of urticating satay

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you know how irritating the reaction can

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be this is why it is very important to

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not place tarantulas on your face

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have them around your eyes or nose and

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why you definitely should never put one

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in your mouth

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no matter how cool you think the picture

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may be and how many likes you may get on

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instagram

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verticating hairs in the eye can cause

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temporary blindness

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and may require medical treatment

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getting hairs in your mouth or throat

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could cause swelling making it hard to

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talk eat or even breathe and the

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consequences could be even worse

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if they get into your lungs in all my

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years of keeping tarantulas

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i have found no home remedy that can

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alleviate the discomfort of getting

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these hairs on your skin

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i have tried ice packs warm compresses

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calamine lotion

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duct tape hot candle wax and about any

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other suggestions you can commonly find

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on message boards and facebook groups

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the only thing to provide the slightest

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relief has been ibuprofen

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benadryl and a prescription steroid

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anti-itch cream my doctor prescribed

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once

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for the most part you just have to

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suffer through the discomfort and wait

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for your body to heal itself

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it is best to avoid getting hair on your

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skin in the first place

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by taking preventative measures like

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wearing gloves long sleeves

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eye protection and even a face mask

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depending on the species that you're

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interacting with

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and your sensitivity

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[Applause]

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now i know it sounds silly to be

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concerned about hair but if you've

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gotten some of that urticating set

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on your skin you know how serious it can

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be and it's only going to get worse the

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longer you let yourself be exposed to it

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now don't let this scare you or

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turn you off to the hobby because

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keeping tarantulas is amazing

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just don't fall into that macho mindset

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and throw caution in the wind and not

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care about hairs at all

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because as i mentioned they can be

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extremely uncomfortable and potentially

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dangerous if they get in your eyes nose

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or mouth

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as long as you wear gloves and long

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sleeves and a mask and eye protection if

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needed you're not going to have any

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issues

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now if you want to watch my video where

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i talk to coyote peterson about the

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effects of venom on the human body just

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click this video right here

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and if you want to be entertained with

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some awesome feeding videos just watch

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this playlist right here

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as always i appreciate you watching

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subscribe if you want to see more

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thanks for buying tarantula collective

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merchandise and i will see

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you next tuesday

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[Music]

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you