title: Toxomerus duplicatus Wiedemann, 1830 (Diptera: Syrphidae) preying on Microtheca spp. (Coleoptera: Chrysomelidae) larvae.
abstract: Microtheca spp. (Coleoptera: Chrysomelidae) are insect pests primarily related to Brassicaceae crops. In the State of Rio Grande do Sul (RS), southern Brazil, they are found on forage turnip, Raphanus sativus L. var. oleiferus Metzg., which is commonly grown during fall/winter seasons. This work reports the predation of Microtheca spp. larvae by Toxomerus duplicatus Wiedemann, 1830 (Diptera: Syrphidae) larvae, on forage turnip crop, in Santa Maria, RS. This register provides new information about Microtheca spp. natural enemies in Brazil, which might be a new option for integrate pest management of these species.
authors.affiliation: Programa de Pós-graduação em Agronomia, Universidade Federal de Santa Maria - UFSM, Santa Maria, RS, Brazil.
authors.forename: V S
authors.initials: VS
authors.lastname: Sturza
authors.affiliation: Departamento de Defesa Fitossanitária, Centro de Ciências Rurais, Universidade Federal de Santa Maria - UFSM, Santa Maria, RS, Brazil.
authors.forename: S T B
authors.initials: ST
authors.lastname: Dequech
authors.affiliation: Programa de Pós-graduação em Agronomia, Universidade Federal de Santa Maria - UFSM, Santa Maria, RS, Brazil.
authors.forename: M
authors.initials: M
authors.lastname: Toebe
authors.affiliation: Programa de Pós-graduação em Agronomia, Universidade Federal de Santa Maria - UFSM, Santa Maria, RS, Brazil.
authors.forename: T R
authors.initials: TR
authors.lastname: Silveira
authors.affiliation: Departamento de Fitotecnia, Centro de Ciências Rurais, Universidade Federal de Santa Maria - UFSM, Santa Maria, RS, Brazil.
authors.forename: A
authors.initials: A
authors.lastname: Cargnelutti Filho
authors.affiliation: Departamento de Defesa Fitossanitária, Centro de Ciências Rurais, Universidade Federal de Santa Maria - UFSM, Santa Maria, RS, Brazil.
authors.forename: A
authors.initials: A
authors.lastname: Bolzan
mesh_terms: D000818:Animals; D029688:Brassica napus / Q000469:parasitology*; D001938:Brazil; D001517:Coleoptera / Q000145:classification / Q000502:physiology*; D004175:Diptera / Q000145:classification*; D007814:Larva; D010572:Pest Control, Biological; D011235:Predatory Behavior / Q000502:physiology*; D012621:Seasons