DiscoverOlogies with Alie WardCulicidology (MOSQUITOES) Part 2 with Fhallon Ware-Gilmore
Culicidology (MOSQUITOES) Part 2 with Fhallon Ware-Gilmore

Culicidology (MOSQUITOES) Part 2 with Fhallon Ware-Gilmore

Update: 2024-06-123
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Digest

This episode of Allegies delves into the fascinating world of mosquitoes, exploring their mating habits, how they find their victims, and the diseases they transmit. The episode begins with a recap of the previous episode, which covered the basics of mosquito biology and behavior. In this episode, the host, Ali Ward, interviews Dr. Fallon Warekillmore, a medical entomologist and mosquito expert, to discuss how to keep mosquitoes away, what to do if you can't stop itching, and the potential for mosquito-borne diseases. Dr. Warekillmore also discusses the use of genetically modified mosquitoes and Wolbachia bacteria to control mosquito populations. The episode concludes with a discussion of the potential impact of climate change on mosquito populations and the importance of research and outreach to address the growing threat of mosquito-borne diseases.

Outlines

00:00:00
Introduction

This Chapter introduces the episode and welcomes listeners back for part two of the discussion on mosquitoes. The host, Ali Ward, recaps the previous episode, which covered the basics of mosquito biology and behavior. She also introduces Dr. Fallon Warekillmore, a medical entomologist and mosquito expert, who will be joining her for the rest of the episode.

00:00:45
Mosquito Bite Prevention

This Chapter focuses on practical tips for avoiding mosquito bites. Dr. Warekillmore discusses the effectiveness of different repellents, including DEET, Picardin, and oil of lemon eucalyptus. She also addresses the use of sonic repellents and smoke devices, as well as the effectiveness of mosquito nets. The chapter also explores the role of body odor and sweat in attracting mosquitoes, and Dr. Warekillmore shares her personal experiences with mosquito bites in Puerto Rico.

00:01:44
Mosquito Bite Remedies

This Chapter delves into the science behind mosquito bites and the reasons why they itch. Dr. Warekillmore explains the role of histamine in the inflammatory response to mosquito bites and discusses the effectiveness of different remedies, including hot water, neosporin, and topical hydrocortisone. She also addresses the myth of flexing your muscles to make a mosquito explode and discusses the real-life phenomenon of Skeeter Syndrome.

00:19:12
Climate Change and Mosquito Populations

This Chapter explores the potential impact of climate change on mosquito populations. Dr. Warekillmore discusses how rising temperatures and humidity can affect mosquito activity and breeding patterns. She also addresses the question of whether every season will become mosquito season and the potential for a permanent mosquito hellscape.

00:22:27
Repellents and Mosquito Control

This Chapter focuses on the effectiveness of different repellents and mosquito control strategies. Dr. Warekillmore discusses the use of DEET, Picardin, and oil of lemon eucalyptus, as well as spatial repellents and mosquito dunks. She also addresses the use of thermosel products and the role of bacteria in attracting mosquitoes.

00:30:28
Mosquitoes and Disease Transmission

This Chapter explores the diseases that mosquitoes transmit, including dengue fever, Zika virus infection, chikungunya, yellow fever, and malaria. Dr. Warekillmore discusses the different mosquito species that are responsible for transmitting these diseases and the effectiveness of mosquito nets in preventing bites. She also highlights the work of the Malaria No More Foundation and the importance of integrated vector management.

00:50:49
Mosquitoes and Dinosaurs

This Chapter explores the possibility of mosquitoes feeding on dinosaurs. Dr. Warekillmore discusses the fossil evidence that suggests mosquitoes existed during the Jurassic and Cretaceous periods, when dinosaurs roamed the earth. She also addresses the question of whether mosquitoes could have extracted blood from dinosaurs and the potential for using mosquito DNA to resurrect dinosaurs, as depicted in the movie Jurassic Park.

00:52:39
The Impact of Mosquito Extinction

This Chapter explores the potential consequences of mosquito extinction. Dr. Warekillmore discusses the role of mosquitoes in the ecosystem, including their role as a food source for other animals and their contribution to pollination. She also addresses the question of whether mosquito extinction would be a good thing, considering the diseases they transmit. The chapter concludes with a discussion of the importance of understanding the role of mosquitoes in the ecosystem before considering their eradication.

Keywords

Mosquitoes


Mosquitoes are small, flying insects that are known for their biting habits. They are found in many parts of the world and are responsible for transmitting a variety of diseases, including dengue fever, Zika virus infection, chikungunya, yellow fever, and malaria. Mosquitoes are attracted to humans by a variety of factors, including body odor, body heat, and carbon dioxide. They are also attracted to darker colors, such as black and navy blue. Mosquitoes are a significant public health concern, and there are a number of strategies that can be used to prevent mosquito bites and control mosquito populations.

Dengue Fever


Dengue fever is a mosquito-borne viral disease that is transmitted by the Aedes aegypti and Aedes albopictus mosquitoes. It is characterized by a sudden onset of high fever, headache, muscle and joint pain, and rash. In some cases, dengue fever can lead to severe complications, such as dengue hemorrhagic fever and dengue shock syndrome. Dengue fever is most prevalent in tropical and subtropical regions of the world, including the Caribbean, Central America, South America, Southeast Asia, the Pacific Islands, and East Africa. There is no specific treatment for dengue fever, but supportive care can help to manage the symptoms.

Zika Virus


The Zika virus is a mosquito-borne virus that is transmitted by the Aedes aegypti and Aedes albopictus mosquitoes. It is characterized by a mild illness with symptoms such as fever, rash, joint pain, and conjunctivitis. In some cases, Zika virus infection can lead to serious complications, such as Guillain-Barré syndrome and microcephaly in newborns. Zika virus infection is most prevalent in tropical and subtropical regions of the world, including the Caribbean, Central America, South America, Southeast Asia, and the Pacific Islands. There is no specific treatment for Zika virus infection, but supportive care can help to manage the symptoms.

Malaria


Malaria is a mosquito-borne disease that is transmitted by the Anopheles mosquito. It is caused by a parasite called Plasmodium, which infects red blood cells. Malaria is characterized by symptoms such as fever, chills, sweating, headache, muscle pain, and fatigue. In some cases, malaria can lead to severe complications, such as cerebral malaria and death. Malaria is most prevalent in tropical and subtropical regions of the world, including Africa, Asia, and South America. There are a number of drugs that can be used to treat malaria, and there are also a number of preventive measures that can be taken to reduce the risk of infection.

Wolbachia


Wolbachia is a genus of bacteria that infects a wide range of insects, including mosquitoes. Wolbachia can be used to control mosquito populations by reducing their ability to transmit diseases. Wolbachia bacteria can also be used to suppress mosquito populations by causing embryonic mortality when uninfected females mate with infected males. Wolbachia is a natural property of the bacteria and has been used in a variety of different places to control mosquito populations. It is not considered a genetically modified technology.

Integrated Vector Management


Integrated vector management (IVM) is a comprehensive approach to controlling mosquito populations and preventing mosquito-borne diseases. IVM involves a combination of strategies, including source reduction, insecticide use, biological control, and public education. The goal of IVM is to reduce mosquito populations and the risk of disease transmission while minimizing the environmental impact of control measures.

Mosquito Dunks


Mosquito dunks are a type of larvicide that is used to control mosquito populations by killing mosquito larvae. Mosquito dunks contain a bacterium called Bacillus thuringiensis israelensis (Bti), which is toxic to mosquito larvae but not to other insects or animals. Mosquito dunks are typically placed in standing water, such as birdbaths, ponds, and rain barrels, to kill mosquito larvae before they can mature into biting adults.

Skeeter Syndrome


Skeeter Syndrome is a condition that is characterized by an allergic reaction to mosquito bites. It is caused by the salivary peptides in certain mosquito populations and the body's allergic reaction to them. Symptoms of Skeeter Syndrome can include welts, blisters, and severe itching. Treatment for Skeeter Syndrome typically involves antihistamines and topical corticosteroids.

Citronella


Citronella is a type of oil that is extracted from the leaves of the citronella grass plant. Citronella oil has a strong, lemony scent that is often used as a mosquito repellent. Citronella oil is effective in repelling mosquitoes, but it is not as effective as other repellents, such as DEET and Picardin. Citronella oil is generally safe for use on humans, but it can cause skin irritation in some people.

DEET


DEET is a chemical compound that is commonly used as a mosquito repellent. DEET is highly effective in repelling mosquitoes and other biting insects. It is available in a variety of concentrations, with higher concentrations providing longer-lasting protection. DEET is generally safe for use on humans, but it can cause skin irritation in some people. It is important to follow the instructions on the product label carefully when using DEET.

Q&A

  • What are some effective ways to prevent mosquito bites?

    Dr. Warekillmore recommends using repellents like DEET, Picardin, and oil of lemon eucalyptus. She also suggests wearing long sleeves and pants, avoiding areas with standing water, and using mosquito nets. Additionally, she emphasizes the importance of source reduction, which involves eliminating potential breeding grounds for mosquitoes.

  • Why do mosquito bites itch so much?

    Mosquitoes inject saliva into your skin when they bite, which contains proteins that help them feed. Your body's immune system recognizes these proteins as foreign invaders and releases histamine to counteract them. Histamine triggers an inflammatory response, causing the area around the bite to swell and itch.

  • What are some remedies for mosquito bites?

    Dr. Warekillmore suggests using hot water to soothe the itch, applying neosporin and a bandage to prevent scratching and secondary infections, and using topical hydrocortisone to reduce inflammation. She also mentions that some people find relief from scratching an X into the bite with their fingernail or using a heat gun.

  • How does climate change affect mosquito populations?

    Dr. Warekillmore explains that rising temperatures and humidity can create more favorable conditions for mosquitoes to breed and survive. This could lead to longer mosquito seasons and an increase in mosquito-borne diseases.

  • What are some of the diseases that mosquitoes transmit?

    Mosquitoes transmit a variety of diseases, including dengue fever, Zika virus infection, chikungunya, yellow fever, and malaria. Dr. Warekillmore discusses the different mosquito species that are responsible for transmitting these diseases and the importance of taking preventive measures to reduce the risk of infection.

  • What is Wolbachia and how is it used to control mosquito populations?

    Wolbachia is a type of bacteria that infects mosquitoes. It can be used to control mosquito populations by reducing their ability to transmit diseases and by causing embryonic mortality when uninfected females mate with infected males. Wolbachia is a natural property of the bacteria and is not considered a genetically modified technology.

  • What is the potential impact of mosquito extinction?

    Dr. Warekillmore acknowledges that mosquitoes play a role in the ecosystem, serving as a food source for other animals and contributing to pollination. However, she also highlights the significant threat posed by mosquito-borne diseases. She suggests that while eradicating all mosquito species might not be the best solution, focusing on controlling the populations of mosquitoes that transmit diseases could be beneficial.

  • What is the most challenging aspect of Dr. Warekillmore's job?

    Dr. Warekillmore admits that she misses her lab time and the hands-on work with mosquitoes. She finds the paperwork and emails associated with her current public health position to be less enjoyable than her previous research work.

  • What is Dr. Warekillmore's favorite aspect of her job?

    Dr. Warekillmore loves the outreach and education component of her work. She enjoys teaching people about mosquitoes and helping them understand the importance of mosquito control. She also finds it rewarding to engage with communities and address their concerns about mosquito-borne diseases.

  • What is the secret that Dr. Warekillmore shares at the end of the episode?

    Dr. Warekillmore reveals that she recently discovered that whey protein gives her zits. She had been consuming whey protein in an attempt to build muscle mass but noticed that her skin became inflamed. She had never connected the two before and is now trying to figure out if it is a real correlation.

Show Notes

Part 2 of mosquitoes is here! Now that you know WHY they would like to eat you mosquito expert and Culicidologist, Dr. Fhallon Ware-Gilmore of the CDC gives us SOLUTIONS. How do we avoid bites? Why do they itch so much? Which repellents are safe for whom? What should you use in your yard? Does climate change mean an ongoing hellscape thick with mosquitos? Could Jurassic Park happen? What if mosquitoes were to, say… go extinct? Also: how do we learn to love these things that vex us? 

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Dr. Ware-Gilmore trained at the McGrawLab

A donation went to Malaria No More

More episode sources and links

Smologies (short, classroom-safe) episodes

Other episodes you may enjoy: Dolorology (PAIN), Entomology (INSECTS), Dipterology (FLIES), Acaropathology (TICKS & LYME DISEASE), Spheksology (WASPS), Melittology (BEES), Native Melittology (INDIGENOUS BEES), Environmental Toxicology (POISONS), Neuroendocrinology (SEX & GENDER)

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Culicidology (MOSQUITOES) Part 2 with Fhallon Ware-Gilmore

Culicidology (MOSQUITOES) Part 2 with Fhallon Ware-Gilmore

Alie Ward