Intense sound of cicadas reveals curious behavior of the species and explains why this sound dominates the hottest days.

Written by Caio Aviz

Published on 12/05/2026 at 11:38

Be the first to react!

The loud song of cicadas appears mainly on hot days and represents a natural mechanism used by males to attract females during the reproductive period

A well-known natural behavior has recently drawn attention again due to the intense sound produced by cicadas during periods of heat. The phenomenon, frequently associated with hot days, is directly related to the reproductive cycle of these insects and to biological mechanisms developed over millions of years. According to released information, the noise emitted by cicadas is mainly produced by males. This sound functions as a call to attract females during the reproduction phase.

Cicada reproduction explains the intense sound

The characteristic song of cicadas has an essential biological function for the continuity of the species. Sound communication allows males to be identified by females during the mating period. The sound is produced by specific structures called tymbals, located in the insect’s abdomen. These organs vibrate rapidly and create the continuous noise that usually dominates wooded areas at certain times of the year. Each species presents a different sound pattern, which facilitates recognition between individuals of the same species.

Cicada life cycle sparks curiosity

Cicadas belong to the family Cicadidae and are part of the order Hemiptera. These insects have existed for millions of years and remain associated with warm environments and vegetated areas. Their life cycle draws attention due to the long underground period lived by the nymphs. During this phase, the insects remain in the soil until they reach the necessary maturity to emerge. After that, they enter the adult phase, when their sound behavior begins to be perceived with much greater intensity.

ARTICLE CONTINUES BELOW

Sound also functions as communication

The sound emitted by cicadas represents an important communication tool among these insects. The vibrations aid in interaction with the environment and contribute to the reproductive behavior of the species. Although the noise bothers some people, the phenomenon is natural and is part of the biological cycle of these animals. This sound pattern does not occur randomly. It is linked to reproduction, environmental adaptation, and the survival of cicadas in different ecosystems.

The behavior in a broader context

The intense sound of cicadas continues to spark curiosity because it reappears, mainly, during the hottest periods of the year. This behavior reinforces how the species has developed its own mechanisms to communicate and ensure reproduction. The striking vocalization shows that the noise, often interpreted only as an annoyance, plays an essential role in nature. Thus, the cicada’s song becomes one of the most well-known manifestations of these insects’ lives.

The future of perception about cicadas

Experts and nature observers believe that understanding cicada behavior helps to better interpret environmental signals. The presence of sound on hot days indicates reproductive activity and highlights the importance of these insects in ecosystems. Meanwhile, curiosity about the cicada’s song reinforces how common everyday phenomena can reveal complex biological processes.

Intense sound of cicadas reveals curious behavior of the species and explains why this sound dominates the hottest days.

The loud song of cicadas appears mainly on hot days and represents a natural mechanism used by males to attract females during the reproductive period

Cicada reproduction explains the intense sound

Cicada life cycle sparks curiosity

Sound also functions as communication

The behavior in a broader context

The future of perception about cicadas

Seven world powers including the US, China, and Russia are spending €22 billion on a reactor in the south of France that aims to confine plasma at 150 million degrees Celsius, ten times the temperature of the Sun’s core, using a magnetic field capable of lifting an entire aircraft carrier.

While Brazil has been discussing bullet trains for 16 years, China delivers 5 new high-speed lines in 2026, surpasses 50,000 km of HSR, and moves 1 billion passengers in a single year.

With a wingspan of 152 meters, 76 tires, and a capacity to carry 1,270 tons, the Boeing Pelican was the giant “flying ship” that promised to cross oceans close to the water on an invisible air cushion beneath its wings.

Elon Musk’s internet comes to mobile: Starlink technology connects smartphones without an antenna via satellite, works even without carrier signal, already costs just US$10 extra in the US, and could arrive in Brazil as an included benefit.

While countries spend billions to draw water from the sea, a Nobel-winning scientist creates a container-sized machine that extracts up to 1,000 liters per day from dry air and uses ultrasound to release water in minutes, even in the middle of the desert.

Belgium will sink 23 giant concrete caissons, each weighing 22,000 tons, in the North Sea to build the world’s first artificial energy island 45 km off the coast, forming offshore electrical walls.

In Niger, mud buildings have stood for ten generations while the world spends billions on concrete and steel, now African architects are proving at the Venice Biennale and in real projects that red earth can be the smartest and most sustainable building material of the 21st century.

Critical Metals unlocks in Qaqortoq the first rare earths pilot plant in Greenland with 45 million tons at Tanbreez, and the United States finally breaks the Chinese processing monopoly.

Rio Grande do Sul is expected to receive an investment of almost R$ 4 billion in wind power.

Paleontologists describe in Davinópolis, Maranhão, a 20-meter, 120-million-year-old sauropod whose closest relative lived in what is now Spain: Dasosaurus tocantinensis

U.S. report raises a warning about the advancing influence of China in Latin America and cites Brazil among the countries where space infrastructure, ports, cables, and strategic assets increase Beijing’s weight on the continent.

Intense sound of cicadas reveals curious behavior of the species and explains why this sound dominates the hottest days.

The loud song of cicadas appears mainly on hot days and represents a natural mechanism used by males to attract females during the reproductive period

Cicada reproduction explains the intense sound

Cicada life cycle sparks curiosity

Sound also functions as communication

The behavior in a broader context

The future of perception about cicadas

Seven world powers including the US, China, and Russia are spending €22 billion on a reactor in the south of France that aims to confine plasma at 150 million degrees Celsius, ten times the temperature of the Sun’s core, using a magnetic field capable of lifting an entire aircraft carrier.

While Brazil has been discussing bullet trains for 16 years, China delivers 5 new high-speed lines in 2026, surpasses 50,000 km of HSR, and moves 1 billion passengers in a single year.

With a wingspan of 152 meters, 76 tires, and a capacity to carry 1,270 tons, the Boeing Pelican was the giant “flying ship” that promised to cross oceans close to the water on an invisible air cushion beneath its wings.

Elon Musk’s internet comes to mobile: Starlink technology connects smartphones without an antenna via satellite, works even without carrier signal, already costs just US$10 extra in the US, and could arrive in Brazil as an included benefit.

While countries spend billions to draw water from the sea, a Nobel-winning scientist creates a container-sized machine that extracts up to 1,000 liters per day from dry air and uses ultrasound to release water in minutes, even in the middle of the desert.

Belgium will sink 23 giant concrete caissons, each weighing 22,000 tons, in the North Sea to build the world’s first artificial energy island 45 km off the coast, forming offshore electrical walls.

In Niger, mud buildings have stood for ten generations while the world spends billions on concrete and steel, now African architects are proving at the Venice Biennale and in real projects that red earth can be the smartest and most sustainable building material of the 21st century.

Meal voucher will be accepted on any card machine: new PAT rule promises to turn the game around for 22 million workers by November 2026

The Brazilian hydroelectric dam that promised clean energy flooded more than 2,000 km² of the Amazon, created islands of dead trees, and could emit more gases than coal.

A Raia: the giant border between Portugal and Spain, which is 1,214 km long, features a bridge of only 6 meters, and has over 700 years of history.

Artist transforms trash into art and changes lives in an emotional documentary that reveals social inclusion, overcoming, and human impact in Brazil

Without concrete, without traditional cleaning, and without common separation, a block made of recycled plastic transforms problematic waste into a rigid piece for walls and structures.

Critical Metals unlocks in Qaqortoq the first rare earths pilot plant in Greenland with 45 million tons at Tanbreez, and the United States finally breaks the Chinese processing monopoly.

Rio Grande do Sul is expected to receive an investment of almost R$ 4 billion in wind power.

Paleontologists describe in Davinópolis, Maranhão, a 20-meter, 120-million-year-old sauropod whose closest relative lived in what is now Spain: Dasosaurus tocantinensis

U.S. report raises a warning about the advancing influence of China in Latin America and cites Brazil among the countries where space infrastructure, ports, cables, and strategic assets increase Beijing’s weight on the continent.