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Brazil Produces About 21 Billion “Waspettes” Per Year and Releases Them in Sugarcane Fields to Control Pests, Reduce Insecticides, and Protect Sugar and Ethanol Production

Written by Alisson Ficher
Published on 27/12/2025 at 14:09
Updated on 27/12/2025 at 14:36
Brasil libera bilhões de microvespas em canaviais para controlar pragas, reduzir inseticidas e proteger a produção de açúcar e etanol.
Brasil libera bilhões de microvespas em canaviais para controlar pragas, reduzir inseticidas e proteger a produção de açúcar e etanol.
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Annual Production of Billions of Insects in Brazilian Biofactories Sustains the World’s Largest Biological Control Program, Applied Over Millions of Hectares of Sugarcane to Combat Pests, Reduce Chemicals and Preserve Strategic Agricultural Productivity.

The Scenario Is Not Intuitive for Those Who Associate Pest Control Only with Spraying and Machines.

In Brazil, the most applied biological control strategy in agriculture involves the mass rearing and release of micro wasps in sugarcane fields. The practice has industrial scale.

Technical and academic documents describe an approximate volume of 21 billion parasitoids produced annually in biofactories to meet release programs in sugarcane areas.

The objective is to control the sugarcane borer and reduce dependence on insecticides in the crop that supports sugar and ethanol chains.

The Pest That Threatens Sugarcane

The main target of this effort is the sugarcane borer, a common name given to the larval stage of an insect that burrows into stalks and opens the way for agronomic losses and industrial problems.

In the logic of applied biological control, control does not depend on a chemical product that kills by contact.

It depends on a natural enemy, created in the laboratory and taken to the field at the right time.

In the most well-known case in sugarcane, this role is performed by Cotesia flavipes, a parasitoid micro wasp associated, in Brazil, with large-scale programs aimed at controlling the borer.

Industrial Scale in Brazilian Sugarcane Fields

Brazil Releases Billions of Micro Wasps in Sugarcane Fields to Control Pests, Reduce Insecticides and Protect Sugar and Ethanol Production.
Brazil Releases Billions of Micro Wasps in Sugarcane Fields to Control Pests, Reduce Insecticides and Protect Sugar and Ethanol Production.

The scale of this operation appears in two fronts: in the treated area and in the infrastructure needed to maintain the supply of insects.

A technical text from Epagri describes that sugarcane concentrates the largest applied biological control program in the world.

The release of the larval parasitoid Cotesia flavipes occurs over more than 3.5 million hectares, in addition to other agents used in the same crop.

In parallel, an academic work from Unesp records that, to supply these releases, approximately 21 billion parasitoids are produced annually in about 40 biofactories in Brazil.

The history is described as a program with decades of use and continuous improvement.

How the Releases of Micro Wasps Work

The term “little wasps” is often used as a shortcut to explain to the public the tiny size of these insects and their role as natural enemies.

In practice, this is a highly controlled technical system.

Micro wasps are multiplied in a controlled environment and then taken to the sugarcane field and released at defined points.

One of the challenges reported by studies related to this type of program is that the result in the field depends on the biological quality of the produced insects, the right moment of release, and the monitoring of the pest in the crop.

Applied biological control is described as a continuous process, not as an isolated action.

Direct Attack on the Sugarcane Borer

Cotesia flavipes acts by parasitizing the borer in its larval stage.

The micro wasp lays eggs in the host.

From then on, its development directly interferes with the survival of the caterpillars that burrow into the cane.

Brazil Releases Billions of Micro Wasps in Sugarcane Fields to Control Pests, Reduce Insecticides and Protect Sugar and Ethanol Production.
Brazil Releases Billions of Micro Wasps in Sugarcane Fields to Control Pests, Reduce Insecticides and Protect Sugar and Ethanol Production.

The same academic work that describes the annual scale records the existence of technical recommendations based on field sampling.

These recommendations indicate quantities of parasitoids per hectare and organization of release points to increase the chance of encounters between micro wasp and pest.

Biofactories and Logistics of Live Insects

How this process moves from the laboratory to the field is an essential part of public interest in the agenda.

The system presupposes biofactories operating routines of rearing, conditioning, and distribution logistics.

In biological control programs, the “product” is alive.

Time, temperature, and transport conditions directly affect the final efficiency of the control.

A technical record presented in academic proceedings also describes a practical side effect of the traditional release model.

The recurring use of plastic containers to condition pupae in large-volume releases opens debate about logistical and environmental impacts within the biological control chain itself.

Reduction of Insecticides and Integrated Management

In the debate about the reduction of insecticides, biological control is not treated as a slogan.

Brazil Releases Billions of Micro Wasps in Sugarcane Fields to Control Pests, Reduce Insecticides and Protect Sugar and Ethanol Production.
Brazil Releases Billions of Micro Wasps in Sugarcane Fields to Control Pests, Reduce Insecticides and Protect Sugar and Ethanol Production.

It is described in sources as an agricultural management tool.

Epagri characterizes biological control as a practice adopted by producers seeking to control pests efficiently and without chemical applications.

The agency also records the market growth in Brazil, with agents registered for different crops.

Reports from the FAPESP Research Institute describe the adoption of biological control as a response to problems associated with the improper use of insecticides.

The case of sugarcane appears as one of the most consolidated in the country.

Quality and Monitoring Determine Success

The large-scale use requires strict standardization.

The Unesp study that consolidates the annual number of micro wasps discusses precisely the quality of the biological material produced.

The work compares performance parameters of insects originating from different biofactories.

Differences in quality can compromise the expected result in the field.

This quality control is described as crucial for the credibility of the method, as failures in biological control tend to lead producers back to chemical solutions in situations of high pest pressure.

A Model Associated with Large Agricultural Areas

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Another characteristic of the Brazilian model is the association with crops of large territorial extension.

Epagri draws attention to the fact that biological control in Brazil is widely applied in continuous areas.

This contrasts with the perception that biological methods would be restricted to small productions or specific niches.

In the case of sugarcane, it is a technological package incorporated by part of the sector, which operates in parallel with other agricultural managements.

Billions of Insects and a New Look at the Field

The journalistic interest in the topic lies in the contrast.

While popular imagination associates pest control with chemical pesticides, the Brazilian sugarcane industry hosts an operation based on billions of microscopic insects.

The goal described in the sources is to reduce pest pressure and, thus, decrease the need for chemical interventions.

Curiosity remains about how this bio-industry organizes itself, how it measures results in the field, and what other crops could reach a similar scale with already registered natural enemies.

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Sergio Elias Fiorotti
Sergio Elias Fiorotti
28/12/2025 08:58

Bom dia
Como conseguir as vespas sou produtor cana
E estou estou com problemas de ataque de brocas.

Eduardo Deodato
Eduardo Deodato
Em resposta a  Sergio Elias Fiorotti
29/12/2025 15:10

Existem empresas como a Koppert e a Vittia que vendem !!

Marcelo
Marcelo
Em resposta a  Sergio Elias Fiorotti
29/12/2025 18:54

Tenho um fornecedor bom, entre em contato 16992396661

Alisson Ficher

Jornalista formado desde 2017 e atuante na área desde 2015, com seis anos de experiência em revista impressa, passagens por canais de TV aberta e mais de 12 mil publicações online. Especialista em política, empregos, economia, cursos, entre outros temas e também editor do portal CPG. Registro profissional: 0087134/SP. Se você tiver alguma dúvida, quiser reportar um erro ou sugerir uma pauta sobre os temas tratados no site, entre em contato pelo e-mail: alisson.hficher@outlook.com. Não aceitamos currículos!

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