We conducted a survey of frugivorous flies (Diptera: Tephritidae and Lonchaeidae), their host plants, and associated parasitoids in the extreme north of Amapá State, Brazil. Fruit were collected from various plant species between May 2011 and Jul 2013. In total, 218 fruit samples were collected (3,915 fruits, 115.6 kg), from 33 plant species (12 native and 21 introduced) in 22 families. Infestation by fruit flies was observed in 69 samples, representing 17 plant species in 13 families. In total, 3,480 puparia were obtained, from which emerged specimens of Anastrepha Schiner (6 species; Tephritidae), Neosilba McAlpine (4 species; Lonchaeidae), and Bactrocera carambolae Drew & Hancock (Tephritidae), as well as wasp parasitoids in the family Braconidae (3 species). This work adds new records of frugivorous flies in the studied area and establishes new relationships between species of frugivorous flies and host plants in the Brazilian Amazon.
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The objective of this study was to evaluate the potential of the pioneer plant species Bellucia grossularioides (L.) Triana (Melastomataceae) to act as a reservoir for parasitoids of fruit flies in the Brazilian Amazon. We collected 48 samples of fruits (total of 4,012 fruits, 43.98 kg) during the months of July, August and September of 2013, in 15 of the 16 municipalities of Amapá State, Brazil. All samples showed infestation by fruit flies, with rates varying from 60.6 to 239.1 puparia/kg of fruit (mean of 106.8 puparia/kg of fruit). The percentage of emergence varied 18.6 to 64.3% (mean of 39.9%). Specimens of Anastrepha coronilli Carrejo & González (Diptera: Tephritidae) were obtained from all samples collected. Specimens of Neosilba (Diptera: Lonchaeidae) were obtained from five samples, where they were represented by Neosilba bella Strikis & Prado and Neosilba glaberrima (Wiedemann). The mean percentage of parasitism was 12.8%, varying 4.7 to 26.7%. Four species of parasitoids were obtained: Doryctobracon areolatus (Szépligeti), Doryctobracon sp.2, Opius bellus Gahan (Braconidae) and Aganaspis pelleranoi (Brèthes) (Figitidae). Doryctobracon areolatus, present in all municipalities sampled, was the most abundant species. Considering that B. grossularioides is a plant species that is abundant in the area sampled, its relevance with respect to the maintenance of the population of parasitoids is discussed in the context of the integrated management of fruit flies in the Amazon.
Abstract. We report for the first time the presence of Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) in the state of Acre, Brazil, reared from guava fruit (Psidium guajava L.) and star fruit (Averrhoa carambola L.). This finding increases our knowledge about the geographical records of this fruit fly in the Brazilian Amazon.
As moscas-das-frutas estão presentes em todas as regiões do Brasil e são responsáveis por grandes perdas econômicas em pomares comerciais. Este trabalho teve o objetivo de determinar a riqueza de espécies de moscas-das-frutas, suas respectivas plantas hospedeiras e seus parasitoides em municípios da região norte de Mato Grosso. Foram realizadas coletas de frutos de 34 espécies vegetais, de julho de 2016 a novembro de 2017. Os frutos coletados foram acondicionados em recipientes plásticos para observar a emergência das moscas-das-frutas e parasitoides. Foram obtidos 2.709 espécimes de moscas-das-frutas (cinco espécies) e 179 espécimes de parasitoides (três espécies). Este trabalho apresenta os primeiros registros de hospedeiros de moscas-das-frutas para o Mato Grosso. Adicionalmente, os parasitoides Utetes anastrephae Viereck e Asobara anastrephae (Muesebeck) são relatados pela primeira vez no Estado.Palavras-chave: Anastrepha; Ceratitis capitata; Relação tritrófica; Amazônia Meridional. FRUIT FLIES, THEIR HOST PLANTS AND PARASITOIDS IN THE NORTHERN STATE OF MATO GROSSO, BRAZIL ABSTRACT: Fruit flies are present in all regions of Brazil and are responsible for large economic losses in commercial orchards. This work aimed to determine the richness of fruit fly species, their host plants and their parasitoids in municipalities in the northern region of Mato Grosso. We collected fruits from 34 plant species, from July 2016 to November 2017. The collected fruits were packed in plastic containers to observe the emergence of fruit flies and parasitoids. We obtained 2,709 specimens of fruit flies (five species) and 179 specimens of parasitoids (three species). This work presents the first records of hosts of fruit flies for Mato Grosso. In addition, the parasitoids Utetes anastrephae Viereck and Asobara anastrephae (Muesebeck) are reported for the first time in the State.Keywords: Anastrepha; Ceratitis capitata; Tritrophic relationship; Southern Amazon.
RESUMO. Este trabalho teve o objetivo de registrar a ocorrência de espécies de Anastrepha e parasitoides associados a frutos de Spondias mombin em três municípios do estado do Amapá, Brasil. Foram realizadas coletas de frutos de S. mombin nos municípios de Oiapoque, Porto Grande e Mazagão (10 amostras por município, cada uma composta por aproximadamente 1 kg de frutos), em fevereiro e março de 2014. Foram obtidos 2.715 pupários, dos quais emergiram 891 espécimes de Anastrepha e 261 de himenópteros. Os índices de infestação foram variáveis, sendo o maior valor médio registrado em Porto Grande (99,8 pupários/kg de fruto). Quatro espécies do gênero Anastrepha foram obtidas: Anastrepha obliqua (Macquart), Anastrepha antunesi Lima, Anastrepha fraterculus (Wiedemann) e Anastrepha striata Schiner. A espécie mais abundante nos três municípios foi A. obliqua. Das 29 amostras infestadas por moscas-das-frutas, apenas sete (24,1%) não apresentaram parasitismo. O maior percentual médio de parasitismo foi registrado em Mazagão (18,9%). Foram obtidos exemplares de cinco espécies de parasitoides: Opius bellus Gahan (50,6% do total), Doryctobracon areolatus (Szépligeti) (26,8%), Asobara anastrephae (Muesebeck) (16,5%), Utetes anastrephae (Viereck) (5,7%) e Aganaspis pelleranoi (Brèthes) (0,4%).
Este trabalho registra as espécies de Lonchaeidae obtidas de frutos de Citrus sinensis (L.) Osbeck coletados em áreas do polo citrícola do estado do Pará, Brasil. Três espécies de Lonchaeidae infestaram frutos de C. sinensis, sendo Neosilba glaberrima (Wiedemann) a predominante.
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