Adriano Gomes Garcia

Corteva Agriscience

We report on the use of a spatially explicit model and clustering analysis in order to investigate habitat manipulation as a strategy to regulate natural population densities of the insect-pest Diabrotica speciosa. Habitat manipulation involved four major agricultural plants used as hosts by this herbivore to compose intercropping landscapes. Avail...

The fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), cannot survive prolonged periods of freezing temperatures, thereby limiting where it can overwinter in North America. Climate change is anticipated to reduce the frequency of freeze days in Florida over the decades, with the potential consequence of a significant expans...

Among lepidopteran insects, the fall armyworm, Spodoptera frugiperda, deserves special attention because of its agricultural importance. Different computational approaches have been proposed to clarify the dynamics of fall armyworm populations, but most of them have not been tested in the field and do not include one of the most important variables...

We developed a computational index to identify suitable areas for biological control using the interaction between an insect pest and its natural enemy. The index considers that environmental conditions should be suitable for the development of both insects and that the plants participating in the tritrophic system should be in the appropriate stag...

One of the challenges in augmentative biological control programs is the definition of releasing strategy for natural enemies, especially when macro-organisms are involved. Important information about the density of insects to be released and frequency of releases usually requires a great number of experiments, which implies time and space that are...

Understanding the movement of organisms is fundamental for comprehending how life thrives and the changes in population dynamics of a species. It is also crucial for decision-making in insect pest management, as the organism's interaction with its environment plays a key role in the efficacy of a particular management strategy. In augmentative biol...

O objetivo do trabalho foi investigar o ínstar em que ocorre maior parasitismo nas espécies Spodoptera cosmioides (Walker), Spodoptera eridania (Stoll) e Spodoptera frugiperda (J.E. Smith) por uma nova espécie de Aleiodes Wesmael em condições de dieta artificial. Espécimes "vouchers" da nova espécie de Aleiodes foram depositados na Coleção Entomoló...

O estudo investigou o potencial de uma nova espécie de Aleiodes Wesmael para controlar Spodoptera frugiperda (J.E. Smith) em condições de dieta artificial e natural. Essa nova espécie de Aleiodes está em fase de descrição e os espécimes "vouchers" foram depositados na Coleção Entomológica da Universidade Federal de São Carlos sob os registros DCBU...

Trabalho apresentado no Siconbiol 2023

Tamarixia radiata (Waterston) is the main parasitoid wasp released in abandoned, organic, and non-commercial citrus groves and in orange jasmine areas for biological control of Diaphorina citri Kuwayama (a vector of bacteria associated with huanglongbing), as a control tactic in a strategy termed External Management. The effectiveness of parasitism...

The Neotropical brown stink bug, Euschistus heros (Fabricius, 1798) (Hemiptera: Pentatomidae), is one of the major insect pests in soybean crops, causing severe damage; however, some aspects of its biology that are essential for management remain unknown. To aid in the management of E. heros, the present study investigated the fertility life table...

Although biological invasions play an important role in ecosystem change worldwide, little is known about how invasions are influenced by local abiotic stressors. Broadly, abiotic stressors can cause large-scale community changes in an ecosystem that influence its resilience. The possibility for these stressors to increase as global changes intensi...

Habrobracon hebetor (Hymenoptera: Braconidae) is a parasitoid that interferes with the rearing and mass production of Anagasta (=Ephestia) kuehniella, causing economic losses to laboratories and research centers. Although H. hebetor can parasitize insect crop pests, a lack of information on its parasitoid activity on different hosts limits understa...

BACKGROUND The egg‐parasitoid wasp Telenomus podisi has received attention as a biological‐control agent for one of the most important soybean pests in Brazil, the stink bug Euschistus heros. As yet, no studies have conclusively established strategies for the release of T. podisi. We developed a computational model using cellular automata in the C...

Entomologists have often used computational modeling to study the dynamics of insects in agricultural landscapes. Recently, important issues such as the movement of adults and immatures associated with insect resistance to GMO (genetically modifed organism) crops have been addressed using computational models. We developed an individual-based model...

Citrus insect pests has grown worldwide, concerning entomologists and farmers especially because of the high demand for food that makes it to our tables. The use of pesticides brought several issues, such as the negative impacts on the human health, pollution, and insect resistance. In this context, more environmentally-friendly strategies have bee...

Huanglongbing (HLB) is a disease of citrus trees that devastates production areas. Current strategies focus on control of the psyllid Diaphorina citri, the main insect vector that transmits the disease. Although insecticides are a common control method, continuous use threatens the environment and human health, and does not eliminate inoculum sourc...

The expansion of Integrated Pest Management (IPM), including biological control, has had several positive consequences for the agricultural environment and participants in the production chain. To enable successful operation and applications of biological control, production of insects used for rearing natural enemies (parasitoids and predators) mu...

O boletim "Métodos de Determinação de Limites Térmicos e Constante Térmica para Insetos, publicado pelo Laboratório de Biologia de Insetos, tem como objetivo apresentar e discutir os principais modelos matemáticos que já foram publicados para relacionar temperatura ambiental e desenvolvimento de insetos, utilizando uma linguagem simples e didática,...

Entomologists have often used computational modeling to study the dynamics of insects in agricultural landscapes. Recently, important issues such as the movement of adults and immatures associated with insect resistance to GMO (genetically modified organism) crops, have been addressed using computational models. Further studies are needed, especial...

In South America, especially in Brazil, four members of the Spodoptera complex, Spodoptera albula (Walker, 1857), S. cosmioides (Walker, 1858), S. eridania (Stoll, 1782), and S. frugiperda (J.E. Smith, 1797) are important pests of many crops, in particular corn, soybean and cotton crops. Spodoptera eridania and S. frugiperda have recently invaded A...

The egg-parasitoid wasp Telenomus podisi has received attention as a biological-control agent for one of the most important soybean pests in Brazil, the stink bug Euschistus heros . As yet, no studies have conclusively established strategies for the release of T. podisi . We developed a computational model employing cellular automata to investigate...

Huanglongbing (HLB) is a disease of citrus trees that devastates production areas. Current strategies focus on control of the psyllid Diaphorina citri, the main insect vector that transmits the disease. Although insecticides are a common control method, continuous use threatens the environment and human health, and does not eliminate inoculum sourc...

Neste capítulo, serão discutidos os benefícios e vantagens advindos de pesquisas teórico-práticas em controle biológico. Embora o tema central seja a apresentação de modelos matemáticos e computacionais como ferramentas de análise, o objetivo geral não é descrever procedimentos matemáticos, estatísticos e computacionais, mas sim demonstrar como a e...

The South American cucurbit fruit fly, Anastrepha grandis (Macquart) (Diptera: Tephritidae), is an economically important pest of cucurbits and is classified as a quarantine species in many countries. In Brazil, A. grandis has a limited distribution; it is absent from northern and northeastern Brazil and distributed discontinuously in other parts o...

The lacewings (Neuroptera: Chrysopidae) are predators of several economically important pests in agriculture and they are naturally present in the citrus orchards in Brazil. However, their abundance and diversity needed to be determined in order to identify their role in the management of Asian citrus psyllid (ACP), Diaphorina citri Kuwayama (Hemip...

The spatio-temporal dynamics of insect pests in agricultural landscapes involves the potential of species to move, invade, colonise, and establish in different areas. This study revised the dispersal of the important crop pests Diabrotica speciosa Germar and Spodoptera frugiperda (J.E. Smith) by using computational modelling to represent the moveme...

In order to control the spread of the huanglongbing (HLB) disease in citrus plants, one of the main approaches is management of its vector, the Asian citrus psyllid, Diaphorina citri Kuwayama. The intensive use of chemicals to control the psyllid has caused concern due to the damage to the environment and human health, and biological control has be...

Background: The feeding preferences of Diabrotica speciosa(Coleoptera: Chrysomelidae) cause a parent-offspring conflict, as providing the best host for the offspring development is detrimental to adult survival and fecundity. Understanding the implications of this conflict could help entomologists to implement pest-management programs.With this in...

Como racionalizar o controle do psilídeo Diaphorina citri, causador do Greening, com o uso de Tamarixia radiata associado a tecnologias que indicam, por exemplo, o melhor momento de liberar o parasitoide

Huanglongbing (HLB), the most destructive citrus disease worldwide, was first recorded in Brazil in 2004, and since then, more than 50 million trees identified with this disease have been eliminated. The disease is managed mainly by controlling the psyllid vector Diaphorina citri Kuwayama, 1908 (Hemiptera: Liviidae). Although the presence of the in...

The banana moth, Opogona sacchari (Bojer, 1856), is a polyphagous pest that causes serious damage to different crops around the world, particularly to bananas in southern Brazil. The insect is designated a quarantine pest in several countries including Argentina, the main consumer market for bananas produced in southern Brazil. To provide support f...

A broca-do-café Hypothenemus hampei tem se mostrado um problema constante para o cafeicultor, por atacar diretamente o produto comercializado, que acaba depreciado tanto na quantidade como em qualidade. Época de controle coincide com o "trânsito" do inseto, que ocorre de outubro a dezembro.

Coffee culture, one of the main agricultural activities in Brazil, has undergone recent negative impacts due to unfavorable climate conditions, with a subnormal rainy period and increased temperatures during the second half of 2015. The coffee berry borer Hypothenemus hampei (Ferrari, 1867) (Coleoptera: Curculionidae) is one of the main insect pest...

Population dynamics of aphids have been studied in sole and intercropping systems. These studies have required the use of more precise analytical tools in order to better understand patterns in quantitative data. Mathematical models are among the most important tools to explain the dynamics of insect populations. This study investigated the populat...

High dispersal of Lepidoptera larvae between non-Bt and Bt cotton plants can favour the evolution of insect resistance; however, information on host acceptance of neonates in tropical transgenic crops is scarce. Therefore, the purposes of this study were as follows: (i) to investigate the feeding behaviour of susceptible and Cry1F-resistant strains...

Spodoptera frugiperda is one of the main insect pests of the New World, and causes extensive damage to economically important crops such as cotton and corn. One of the most common control strategies is the use of Bt plants; however, their intense and indiscriminate use has led to the evolution of resistance in some populations. The establishment of...

Fruit flies are among the most damaging insect pests of commercial fruit in Brazil. It is important to understand the landscape elements that may favor these flies. In the present study, spatial data from surveys of species of Anastrepha Schiner (Diptera: Tephritidae) in an urban area with forest fragments were analyzed, using geostatistics and Geo...

Studies of the influence of biological parameters on the spatial distribution of lepidopteran insects can provide useful information for managing agricultural pests, since the larvae of many species cause serious impacts on crops. Computational models to simulate the spatial dynamics of insect populations are increasingly used, because of their eff...

Introduction. The selection pressure imposed by the widespread use of transgenic technologies can lead to the evolution of insect resistance, and the availability of refuge areas that allow susceptible homozygous insects to survive is key to delaying the evolution of resistance in agricultural landscapes. Different strategies to exploit refuge area...

The selection pressure imposed by the widespread use of transgenic technologies can lead to the evolution of insect resistance, and the availability of refuge areas that allow susceptible homozygous insects to survive is a key factor in delaying the evolution of resistance in agricultural landscapes. Different strategies to exploit refuge areas exi...

Este trabalho apresenta um material didático-digital que facilita o contato inicial de estudantes de cursos de graduação, que objetivam a formação de um futuro profissional atuante na área de biologia da conservação, com metodologias de avaliação de Unidades de Conservação. Tais metodologias serão ferramentas extremamente importantes para o futuro...

A bovinocultura de corte no Brasil apresenta-se como predominantemente extensiva, ocupando grandes áreas naturais transformadas em pastagens. Seus impactos negativos já são sentidos como a perda de área de biomas brasileiros, prejudicando espécies da fauna e da flora que sofrem com a perda de habitats. Uma alternativa para a diminuição da área ocup...

As Unidades de Conservação têm sido extremamente importantes para a manutenção dos serviços dos ecossistemas e para a conservação da biodiversidade. Por meio do Plano de Manejo, define-se seu zoneamento e as normas que devem presidir o uso da área e o manejo dos recursos naturais, inclusive a implantação das estruturas físicas necessárias à gestão...