Caterpillar defense mechanism👨‍🏫🧠 / mecanismo de defensa de la oruga🐛

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Published on Nov 18, 2021

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Insects are very vulnerable to predators, for centuries there has been a run in the techniques of escape and predation, to the point that insects have incredible defense mechanisms when they are in their most vulnerable states! In my post we are going to see an explanatory video of how a caterpillar defends itself, I will explain the science of stinging hairs! make yourself comfortable and enjoy my post!👨‍🏫🤯

Los insectos son muy vulnerable a los depredadores, durante siglos existion una corrida en las tecnicas de escape y depredacion, a tal punto que los insectos presentan increibles mecanismos de defensa cuando estan en sus estados mas vulnerables! en mi post vamos a ver un video explicativo de como se defiende una oruga, te explicare la ciencia de los pelos urticantes! ponte comodo y disfruta de mi post!🧫🔬

What are stinging hairs🕵️‍♀️👨‍🎓‍️/que son los pelos urticantes👨‍🏫🧠

We know from school that butterflies go through a growth process or life cycle called metamorphosis, that is, to reach its mature state the butterfly must develop its organelles through different phases, each phase has a different physiological and morphological growth than the others. ! at each stage the butterfly develops its organs according to its priorities! the problem is that these metamorphological phases give the butterfly a disadvantage, it does not have wings to escape from its predators! But then what do you do to protect yourself?💥

Sabemos desde la escuela que las mariposas pasan por un proceso de crecimiento o ciclo de vida llamado metamorfosis, osea que para llegar a su estado maduro la mariposa debera desarrollar sus organelos por distintas fases, cada fase tiene un crecimiento fisiologico y morfologico diferente a los otros! en cada etapa la mariposa va desarrollando sus organos de acuerdo a sus prioridades! el problema es que estas fases metamorfologicas le dan una desventaja a la mariposa, no tiene alas para escapar de sus depredadores!!! pero entonces que hace para protegerse?🤯🐛

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The butterfly understood that the larval stage is its weak point and during millions of years of evolution the larva acquired a very interesting defense mechanism that is very common in (DIPTEROS), extensions of the body or exoskeleton called stinging hairs! With this defensive mechanism, predators have much more work to feed on a caterpillar, in fact not all insectivore predators can capture a caterpillar without injuring themselves!😲😱

La mariposa entendio que la etapa larvaria es su punto debil y durante millones de años de evolucion la larva fue adquiriendo un mecanismo de defensa muy interesante y que es muy comun en (DIPTEROS), unas extenciones del cuerpo o exoesqueleto llamados pelos urticantes! con este mecanismo defensivo los depredadores tienen mucho mas trabajo para alimentarse de una oruga, de echo no todos los depredadores insectivoros pueden capturar una oruga sin lastimarse!🔬💥

Well then, how could we define stinging hairs? It could be defined as extensions of the skin of caterpillars or other arthropods (arachnids) that fulfill a "defensive" function, these hairs seen under the magnifying glass are hollow, and inside they have a "toxin" that when the hair enters the predator's skin releases the toxin causing some very uncomfortable reactions in the animals!🔬😱

Bien entonces como podriamos definir los pelos urticantes? podria definirse como extensiones de la piel de las orugas o otros artropodos (aracnidos) que cumplen una funcion "defensiva", estos pelos visto bajo la lupa son huecos, y dentro tienen una "toxina" que cuando el pelo entra en la piel del depredadores libera la toxina causando algunas reacciones muy incomodas en los animales👨‍💻🦋!

This practice must be done very carefully, we should never touch the animal directly with our bare hands, after finishing the work we clean all the utensils with great care and hot water! We do not want to accidentally bring a hair to our eye, returning to the topic, the arachnids are specialized when it comes to using their defensive system! remember that a spider is a predator, but in the Amazon rainforest it has other predators on top of it, and some species use stinging hairs to defend themselves but in this case they are thrown by the spiders' legs! I mean, it's a voluntary reaction when you feel threatened!😱👨‍💻

Esta practica debe realizarse con mucho cuidado nunca debemos tocar al animal directamente con nuestras manos desnudas, luego de terminar el trabajo limpiamos todos los utencilios con mucho cuidado y agua caliente! no queremos llevar un pelo accidentalmente a nuestro ojo, retomando el tema, los aracnidos son especializados cuando se trata de usar su sistema defensivo! recordemos que una araña es un depredador, pero en la selva amazonica tiene encima de ella otros depredadores, y algunas especies utilizan los pelos urticantes para defenderse pero en este caso son lanzados por las patas de las arañas! osea es una reaccion voluntaria cuando se siente amenazada!😲🐛

The main objective of the caterpillar is to complete its life cycle, since it is a transitory larval stage! To avoid defending themselves and having to use their hair, many butterfly larvae have many very bright colors that warn their predator that it is a dangerous animal! but this principle is not always respected since predators such as birds have feathers and a defensive system against the stinging hairs of the caterpillars, so for years there is competition from who attacks or defends themselves better! But to achieve even greater success and the caterpillars reach their adult stage, hundreds of eggs are laid, while a bird lays only 3 or 4 ... This is where the numerical advantage favors the butterfly!🦋🦋

El objetivo principal de la oruga es completar su ciclo de vida, ya que es un estado larvario transitorio! para evitar defenderse y tener que usar sus pelos muchas larvas de mariposas tienen muchos colores muy vivos que advierten a su depredador que es un animal peligroso! pero no siempre este principio es respetado ya que los depredadores como las aves tienen plumas y un sistema defensivo contra los pelos urticantes de las orugas, asi que durante años hay una competencia de quien ataca o se defiende mejor! pero para lograr un exito aun mayor y las orugas llegar a su etapa adulta se colocan cientos de huevos, mientras un ave coloca solo 3 o 4... Es alli donde la ventaja numerica favorece a la mariposa!🤔

If you look at the photos well, you can see that the caterpillar has teeth that look like they are cutters! and not grip? you know why? These mouthparts are called chewers and cutters and they help the caterpillar to cut the leaves since its diet is herbivorous! Trying to decipher the level of reaction and pain that a stinging hair causes us if we accidentally touch it varies in each species! there are species that have few such is the case of my caterpillar I think it may be a moth! and there are other caterpillars that have thousands of hairs so the amount of toxin that enters our skin is very different!🦋🐛😲

Si ves bien las fotos podras observar que la oruga tiene unas piezas dentales que tienen el aspecto de ser cortadoras! y no de agarre? sabes por que? estas piezas bucales son llamadas masticadoras y cortadoras y ayudan a la oruga a cortar las hojas ya que su dieta es herbivora! tratar de descifrar el nivel de reaccion y dolor que un pelo urticante nos provoca si la tocamos accidentalmente varia en cada especie! hay especie que tienen pocos tal es el caso de mi oruga creo que puede ser una polilla! y hay otras orugas que tienen miles de pelos por tanto la cantidad de toxina que entra en nuestra piel es muy diferente!😒😭

While studying the phases of the metamorphosis of the larva I saw how the pupa caught my attention because this is where the thread was produced in ancient times, we see how the larva lays eggs that are full of many "threads", these small pupae do not have any kind of defense then the "mother" wraps them up against her body to give her protection with her hairs!😀😀

Mientras estudiaba las fases de la metamorfosis de la larva vi como la pupa llamo mi atencion porque aqui es donde se producia el hilo en la antiguedad, vemos como la larva coloca huevos que estan llenos de muchos "hilos", estas pequeñas pupas no tienen ningun tipo de defensa entonces la "madre" los envuelve contra su cuerpo para darle proteccion con sus pelos!😲😲

Hairs under the magnifying glass🕵️‍♀️👨‍🎓‍️/pelos bajo la lupa👨‍🏫🧠

We are going to put into practice what the theory says regarding the stinging hairs that are hollow, so if I use a higher magnification for example of 30x I should pass the light into the hair and see the details! we'll see...😁😀

Vamos a poner en practica lo que dice la teoria respecto a los pelos urticantes que son huecos, entonces si utilizo un aumento mayor por ejemplo de 30x deberia pasar la luz dentro del pelo y ver los detalles! vamos a ver...🤩🤗

Well exactly we see in the microscope what the theory tells us are hollow since if they were not, they would look dark, and I dare say that inside they have a "yellow" liquid that must be the toxin! amazing, right? something as simple as a hair can help a species complete its life cycle!😏😏

Bien exactamente vemos en el microscopio lo que nos dice la teoria son huecos ya que si no lo fueran se verian oscuro, y me atrevo afirmar que dentro tienen un liquido "amarillo" que debe ser la toxina! increible no? algo tan simple como un pelo puede ayudar a una especie a completar su ciclo de vida!😮😥

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