Why do insects sting?
The reason why insects have evolved stingers is a complex and intriguing question. While it may seem obvious that stingers are used for self-defence and obtaining food, the evolution of this unique adaptation must have provided significant advantages for the insects to retain it throughout the generations.
Stingers serve two primary purposes: to obtain food and to avoid becoming food for other animals. For instance, some parasitic wasps use stingers to paralyze caterpillars, which serve as a food source for their young. Similarly, bulldog ants use stingers to subdue prey insects that prove difficult to catch.
However, the most significant advantage of the stinger is its ability to protect insects from predators that are significantly larger than them. Consider a small insect being attacked by a predator that is a million times larger in size. In this scenario, biting, scratching, or kicking would be futile, but a stinger with venomous toxins could prove to be a potent defense mechanism.
Honeybees are a prime example of how stingers can be used for self-defence. When honey-loving bears try to raid their hives, the bees use their stingers to inject painful venom into the bears, effectively neutralizing their size and strength.
Overall, the evolution of stingers in insects is a significant breakthrough that has enabled them to overcome their small size and defend themselves effectively. In essence, the stinger is like an “insect gun,” a powerful weapon that allows them to level the playing field against larger predators.
Justin Schmidt’s insect bite pain scale
Justin Schmidt was an American entomologist who studies stinging insects. Through the course of his work, he estimates that he has been stung more than 1,000 times, all in the name of science. In fact, Schmidt has been stung so many times that he’s created a pain scale based on his research. Now that’s suffering for your work!
Have a read of Justin Schmit’s ‘Insect Sting’ article posted on The Conversation website: Suffering for science - Why I have insects sting me to create a pain index.
Ouch, What has bitten me?
If you have just felt a sting or think an insect has bitten you, it is important to identify the insect to determine the best course of action. Knowing the type of insect that caused the bite can help you avoid future encounters or seek appropriate treatment.
It is also important to note that sometimes what may seem like a bite could actually be a reaction to a food allergy. It is good to consider all possible causes of the symptoms before assuming it was an insect bite.
If you experience severe symptoms such as difficulty breathing, swelling, or anaphylaxis, seek medical attention immediately. Sometimes, an insect bite or sting can cause a severe allergic reaction requiring emergency treatment.
In summary, identifying the type of insect that has bitten you is important for determining the best course of action. However, it is essential to consider other possible causes of symptoms before assuming it was an insect bite. If you experience severe symptoms, seek medical attention immediately.
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