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Effect of agricultural crops on the diversity of Mesostigmata predator mites and prospecting for use in biological control

Grant number: 18/14478-3
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): November 01, 2018
Effective date (End): February 28, 2021
Field of knowledge:Agronomical Sciences - Agronomy - Plant Health
Principal Investigator:Raphael de Campos Castilho
Grantee:Emiliano Brandão de Azevedo
Host Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil
Associated research grant:17/12004-1 - Edaphic mites: diversity, relationship with the microbiota and ecology in natural and cultivated areas in Brazil, with the preparation of databases and keys to identify selected groups, AP.BTA.TEM
Associated scholarship(s):19/12175-6 - Morphological and molecular characteristics of soil mesostigmatic mites taken from different agricultural environments and in the natural vegetation of the Atlantic forest biome in the state of Sao Paulo, BE.EP.DR


The knowledge of the edaphic fauna mite in Brazil is incipient, mainly in agricultural areas. One of the most common groups of edaphic mites are Mesostigmata, known for potential as agents of biological control of organisms that are harmful to Agriculture. Thus, the objective of this study is to determine the soil Mesostigmata groups found in agricultural crops, with different soil types and management, and also in a natural area, in the Atlantic Forest biome, in the interior of the state of São Paulo, and including description of news taxa (at least five species) and tests with at least two species to verify the potential for biological control of pests and parasites. For this, five collection areas were selected at the FCAV/UNESP Experimental Farm, four of them with agricultural crops, mainly corn and soybean, each one represented a soil with different characteristics and different management practices, and an area with vegetation remnant natural habitat of the Atlantic Forest. In each area and in each collection will be collected 32 samples, 16 of organic matter and 16 with depth 0-10 cm. These collections will be held every two months for a period of two years. In the laboratory, the collected samples will be extracted and the Mesostigmata mites will be identified up to the species level. After all the collections and identification of the mites, analyzes will be performed with abundance and diversity data. From the Mesostigmata collected, if new species are found, five of these will be described. In addition, of the Mesostigmata found, tests will be carried out to verify the potential of at least two species in the control of pests and parasites. The most significant use of biological control with Mesostigmata predatory mites in Brazil depends essentially on the results of basic researches, such as those suggested in the present project, to complement existing knowledge. New studies, especially in these reported incipient areas, could leverage the use of soil predatory mites to control pests and parasites in Brazil. (AU)

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BARROS, AVYLA R. A.; DE AZEVEDO, EMILIANO B.; SILVA, EDMILSON S.; DE MORAES, GILBERTO J.; CASTILHO, RAPHAEL C.. A new species of Geogamasus Lee (Mesostigmata: Ologamasidae), with morphological details on species of the genus. SYSTEMATIC AND APPLIED ACAROLOGY, v. 26, n. 1, p. 124-134, . (18/14478-3, 17/12004-1)
DE CASTRO, MATHEUS C.; BARROS, AVYLA R. A.; DE AZEVEDO, EMILIANO B.; BRITTO, ERIKA P. J.; CASTILHO, RAPHAEL C.; DE MORAES, GILBERTO J.. A new species of Gamasellodes Athias-Henriot (Mesostigmata: Ascidae) from Brazil and a key to the world species of the genus. Zootaxa, v. 4801, n. 2, p. 291-300, . (18/14478-3, 17/12004-1)
BRANDAO DE AZEVEDO, EMILIANO; HENRIQUE AZEVEDO, LETICIA; MOREIRA, GRAZIELLE FURTADO; DOS SANTOS, FABIO ARAUJO; DE CARVALHO, MARCOS ALBERTO FRANCISCO; SARMENTO, RENATO DE ALMEIDA; DE CAMPOS CASTILHO, RAPHAEL. Diversity of Soil Gamasine Mites (Acari: Mesostigmata: Gamasina) in an Area of Natural Vegetation and Cultivated Areas of the Cerrado Biome in Northern Brazil. DIVERSITY-BASEL, v. 12, n. 9, . (19/06282-4, 17/12004-1, 15/14400-6, 18/14478-3)
DE ALBUQUERQUE BARROS, AVYLA REGIA; AZEVEDO, EMILIANO B. DE; SILVA, EDMILSON S.; CASTILHO, RAPHAEL C.; DE MORAES, GILBERTO J.. Diversity of edaphic Gamasina mites (Acari: Mesostigmata) in different ecosystems of the Caatinga biome in northeast Brazil. SYSTEMATIC AND APPLIED ACAROLOGY, v. 26, n. 7, p. 1301-1313, . (19/27793-7, 17/12004-1, 18/14478-3)
DE CASTRO, MATHEUS C.; DE AZEVEDO, EMILIANO B.; BRITTO, ERIKA P. J.; BARRETO, MARLITON R.; PITTA, RAFAEL M.; CASTILHO, RAPHAEL C.; DE MORAES, GILBERTO J.. Gamasina mite communities (Acari: Mesostigmata) in grain production systems of the southwestern Brazilian Amazon. SYSTEMATIC AND APPLIED ACAROLOGY, v. 26, n. 1, p. 1-14, . (18/14478-3, 17/12004-1)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
AZEVEDO, Emiliano Brandão de. Effect of agricultural crops on the diversity of Mesostigmata predating mites and prospecting for use in biological control. 2021. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agrárias e Veterinárias. Jaboticabal Jaboticabal.

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