States with the most mosquitoes
California. Texas. Florida. Georgia.
2024 is expected to be a year of high mosquito activity in North America. With climate changes affecting the patterns and behaviors of mosquitoes, experts predict a rise in severe mosquito-borne illnesses that could pose a significant danger to the health and well-being of North Americans.
Dengue viruses are spread by the bites of infected Aedes species mosquitoes. In the United States, public health authorities in Puerto Rico and US Virgin Islands have declared dengue outbreaks. Local transmission of dengue has also been reported in 2024 in California, Florida, and Texas.
L.A. Is The City With The Highest Mosquito Population In The U.S.
1. Michigan. It tops the list of states where people can enjoy the outdoors without having to constantly swat away mosquitoes. Michigan earned this title based on its mild summer temperatures, low summer rainfall, a limited number of mosquito species, and lack of West Nile cases throughout the state.
Of the 50 cities on the list, California was represented the most, with five cities making the top 50: Los Angeles (1), San Francisco (9), Sacramento (22), San Diego (27), and Fresno (50). This year's data was collected by tracking new residential mosquito treatments from April 1, 2023, to March 31, 2024.
Periodical cicadas will emerge in 2024. Here's what you need to know about these buzzing bugs. Periodical cicadas aren't present every spring, but when they do emerge, they come in loud, buzzing hordes. This year, trillions of these beady-eyed bugs are expected to appear in several U.S. states.
As of 23 January 2025, dengue circulation has been reported in Africa, America, and South-East Asia. In 2024, over 14 million dengue cases and over 10 000 dengue-related deaths were reported globally.
Many birds will eat mosquitoes. The more important among these are purple martins, swallows, waterfowl (geese, terns, ducks) and migratory songbirds. Bird predators usually eat both the adult and aquatic stages of mosquitoes.
It is believed Brazil, Indonesia, Malaysia and Thailand have the highest numbers of mosquito species. Australia, Indonesia, Philippines and Brazil are recorded to have the highest number of endemic species. However, it is the whole of Africa, South America and Asia where most of the mosquito-borne diseases occur.
Mosquitoes function best at 80 degrees F, become lethargic at 60 degrees F, and cannot function below 50 degrees F.
With the summer of 2024 ahead of us, the warmer weather can lead to a higher occurrence of mosquito and tick activity. On top of that, in many regions, due to the mild winter this year, tick populations are already showing up in greater numbers than earlier in the season.
There are only two known places with no mosquitoes: Antarctica and Iceland. The conditions in Antarctica are not fit for mosquitoes, as there is not enough food, places to burrow, or warm conditions for flying.
We now know that several Plasmodium species transmitted by mosquitoes can cause human malaria. Plasmodium falciparum malaria—the deadliest—is most common in sub-Saharan Africa, where it causes more than 400,000 deaths a year, the majority of whom are children under five.
From late 2023-2024, outbreaks of Oropouche virus disease (Oropouche) have been reported in several countries in South America and the Caribbean. Travel-associated cases among U.S. residents have been reported, but local transmission has not been detected in the United States.
EEE is most commonly reported in the eastern and Gulf Coast states, but can also be found in some inland Midwestern states. States that have reported the most cases of EEE include Massachusetts, New Hampshire, Michigan, Florida, Georgia, New York, and North Carolina.
The first locally acquired case of dengue virus in 2024 was reported in a Cameron County resident. It has been a highly active year for dengue virus globally. As of today, there have been 106 travel-associated dengue cases, including one death reported in Texas.
When will the cicadas come out? The 2024 emergence of 17-year periodical cicadas began in early to mid-May (earlier in southern Illinois and later in northern Illinois). The exact timing depends on soil temperature, which depends on spring weather. The trigger is when the soil reaches 64 degrees at a depth of 8 inches.
Long Sleeves and Pants: These can prevent cicadas from landing directly on your skin.
As it turns out, you might not be alone, as a new study by pest control service Terminix has found that Los Angeles is home to more mosquitoes than any city in America.
In North America, there are a few states with the least mosquitoes. One of those states is Hawaii, as mentioned above, while others include Tennessee, Kansas, West Virginia, Nevada, Arizona, and Alaska.