Mayflies (2024)

Mayflies (1)

Friday, May 25, 2018

Spring is a season bursting with cherry blossoms, wisteria and skies devoid of ugly grey clouds. It is a time for hiking, farmers market-ing and overdosing on vitamin-D. It is the season of Carpe Diem.

And to celebrate the official season of seizing the day, here are some fun facts about the kings and queens of spring and the lords of yolo — the mayfly.

1.Mayflies come out in May. Surprise!

The rumors are true. Mayflies start “hatching” from their water-larva state starting in May, and continue to do so throughout spring and summer. So, next time you see a swarm of these flying critters, it’s a sign that life’s about to get a little brighter.

2.Mayflies have an incredibly short lifespan.

After the larva stage, female mayflies usually live less than five minutes, while males can live a whopping two days. But they don’t waste a single minute, spending that short period of time mating and reproducing.

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3.They go by many aliases.

In some parts of the United States, mayflies are known as Canadian Soldiers, while in Canada they are called shadflies. And, of course, the British came up with the most creative name of all, the up-winged fly.

4.Mayflies have abs.

All mayflies have an abdomen consisting of 10 segments. Some of the segments actually have operculate gills on them. So, they are extremely cut and amphibious — kind of like the new Aquaman.

5.Flying food.

A fly fisherman’s favorite fly to fish with is a mayfly fly (try saying that 10 times fast). When hatching season begins, fishermen everywhere start using artfully made flies resembling this glorious insect. The reason? They are an extremely popular entree for several types of fish, including trout. Humans also like consuming Mayflies for their high protein content. And in the country of Malawi, people even bake them into cakes.

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6.They don’t have mouths.

For adult mayflies, every minute is reserved for reproduction and feeding fish. They don’t have time to eat, so they never develop functional mouths. Although, in the larva state, mayflies have fully developed mouths, and their diet strictly consists of algae.

7.Mayflies have lots of babies.

And we mean LOTS of babies. The average female mayfly lays anywhere from 400 to 3,000 eggs. Typically, they are dropped on top of the water to develop into larva.

8.Under threat.

Mayfly eggs are extremely sensitive to pollution. Even modest levels of water pollution can kill up to 80 percent of their eggs. Scientists sometimes use the presence of mayfly eggs to quickly determine the purity of the water.

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9.Mayflies are famous.

These prehistoric insects were born to live in the limelight. Aristotle mentions the mayfly in his “History of Animals.” The poet George Crabbe used the mayfly as a symbol for the brevity of life. And many people gather to witness the swarms that occur during hatching season. In some regions, the number of insects is so expansive that they show up on the local weather radar.

10.They live life to the fullest.

Mayflies are said to have been around before dinosaurs. After more than 350 million years of evolution, they have perfected the art of life. They start as an egg, turn into a naiad, emerge from the water, fully mature into adults to reproduce, and then start a family of at least 400. And they do it all in less than two days. There is still much to be learned about these magnificent creatures, but they truly do exemplify the phrase, “live fast, die young.”

Just like the mayfly, we are emerging from the depths of winter and finally able to move into the light. This spring, let’s take a page from the mayfly’s book and live our best life. And now you are fully equipped with some fun bug facts you can whip out at your next backyard barbecue.

Mayflies are harmless little buggers, but when it comes to malevolent pests that could spoil your next backyard shindig,call Arrow todayand send them packing.

Mayflies (2024)

FAQs

What do mayflies turn into? ›

Mayflies are said to have been around before dinosaurs. After more than 350 million years of evolution, they have perfected the art of life. They start as an egg, turn into a naiad, emerge from the water, fully mature into adults to reproduce, and then start a family of at least 400.

What month do mayflies come out? ›

If mayflies only live outside of water for two days, why does the mayfly “season” continue for several months (typically June through August)? Scientists do not understand why mayflies persist so long. Mayflies emerge in different cohorts.

How do you get rid of mayflies? ›

A vacuum that has a HEPA filter can quickly remove mayflies that get inside.

Are mayflies harmful to humans? ›

Mayflies do not attack people and will not sting or bite. The sheer numbers of these insects during their mating season can cause problems for drivers and annoy homeowners whose houses are coated in bugs. The dead bodies and shed skins of mayflies can also cause an allergic reaction in some people.

How long do mayflies stay around? ›

Mayflies spend most of their lives in the water as nymphs and then emerge as adults for only a short while. Adults will live only a day or so, but the aquatic larvae lives for about a year. Their status is unknown. There are more than 600 species of mayfly in the United States and 3,000 worldwide.

What good do mayflies do? ›

Mayflies not only move nutrients within aquatic ecosystems, but they also move nutrients between them. This may be important for maintaining a variety of aquatic communities, especially if various climate forecasts hold true.

What triggers a mayfly hatch? ›

Some species emerge on the stream bottom and swim to the surface, some crawl onto dry rocks or vegetation to emerge, and yet others emerge at or near the water's surface. Water temperature is the most important factor in determining when hatches will occur.

Where do mayflies nest? ›

Mayflies are particularly sensitive to pollutants and will thrive in clean, unpolluted water. Female mayflies need clean water to lay their eggs, which they do while flying low over the surface. Sometimes they'll deposit their eggs directly into the water.

Why do mayflies only live for a day? ›

Once mated, each female descends onto water, where she lays hundreds, or even thousands, of eggs. With her mission to bring new life into the world now complete, she dies. Without any mouth parts, fully mature adult mayflies, called spinners, cannot eat, and so most live but a single day.

What smell do mayflies hate? ›

Additionally, to limit the amount of mayflies that will be attracted to interior lights, draw the shades at nights. Like a lot of other insects, mayflies don't like the scent of garlic. An excellent home remedy that repels mayflies is a brew of garlic tea.

Do mayflies eat mosquitoes? ›

No. Mayflies don't eat mosquitoes – as such. However, they will eat algae or the larva of any species that lives in the water. If the larva they attack happen to be mosquito larva, the mayflies aren't picky.

What is the problem with mayflies? ›

Mayflies are nuisance pests and cannot bite or sting. They are, however, very attracted to light, which can result in massive swarms around buildings at night and piles of dead flies below lights and windows in the morning. In areas that see large swarms, mayflies could affect driving conditions and visibility.

What spray kills mayflies? ›

Insecticides such as pyrethrins and permethrin can be used to kill adult mayflies, and residual insecticides can be applied to surfaces where mayflies are likely to congregate, such as window sills and door frames.

What eats a mayfly? ›

All life stages of mayflies are favorite foods for fish such as trout, bass, and many others, as well as smaller aquatic predators in the food chain. Adult mayflies are also eaten by terrestrial predators such as spiders and birds.

What birds eat mayflies? ›

Which Birds Eat Which Bugs?
Birds*Insects
SparrowsBeetles, crickets, caterpillars, ants, bees, and spiders
SwallowsMoths, mosquitoes, beetles, grasshoppers, mayflies, dragonflies, and caddisflies
TitmiceAphids, caterpillars, beetles, spiders, snails, wasps, stinkbugs, ants, wasps, and treehoppers
12 more rows
Jun 28, 2020

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