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au:CARVALHO, ROMULO DA SILVA

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Formulation and evaluation of guapeva jam: nutritional properties, bioactive compounds, and volatile compounds during storage
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MORAIS, Rômulo Alves

; SOARES, Camila Mariane da Silva

; SILVA, Romilda Ramos da

; GUALBERTO, Larissa da Silva

; FREITAS, Bárbara Catarina Bastos de

; CARVALHO, Elisângela Elena Nunes

; MARTINS, Glêndara Aparecida de Souza

Food Science and Technology

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2022, Volume 42 elocation e116321

Abstract: En | Text: En | PDF: En

Abstract The guapeva (Pouteria cf. gardneriana Radlk.) is a Brazilian fruit that belongs to the Sapotaceae family and is considered a source of natural antioxidants and phenolic compounds; Thus, the objective of this work was to investigate the use of guapeva in the form of jam stored at different temperatures (25 °C and 35 °C) and to evaluate the degradation kinetics regarding the physicochemical parameters, bioactive compounds, and volatile profile, during the storage period of 150 days, in low-density polypropylene packaging’s. The stored jams were mainly influenced by the storage time variable, with significant reductions in titratable acidity, pH, color, vitamin C, carotenoids, ABTS●+, DPPH, and volatile profile. The temperatures studied were not able to significantly affect the shelf life determined for the jams; however, the best temperature for storage stability of the guapeva jams was 25 °C since the most significant degradation of the compounds occurs with the use of 35 °C. The correlation between time and temperature had no significant effect on carotenoid content.

https://doi.org/10.1590/fst.116321

Influence of Hastelloy’s Cathodic Cage Plasma Deposition on Corrosion Resistance of AISI 304 Stainless Steel and of AISI D6 Tool Steel
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Costa, Pablo Matheus Oliveira

; Serra, Petteson Linniker Carvalho

; Monção, Renan Matos

; Menezes, Alan Silva de

; Borges, Ferdinando Marco Rodrigues

; Costa, Thercio Henrique de Carvalho

; Sousa, Rômulo Ribeiro Magalhães de

Materials Research

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2021, Volume 24 N. 1 elocation e20200267

Abstract: En | Text: En | PDF: En

Abstract AISI D6 tool steel and AISI 304 stainless steel are among the most widely used material in the industry. However, this application field can still be expanded through the coatings deposition. In this regard, the objective of this work was to evaluate the impact of coatings application by cathodic cage technique using Hastelloy’s cathodic cage, on corrosion resistance of these steels. Two treatment temperatures were compared. The samples were characterized by Optical Microscopy, Scanning Electron Microscopy, Energy Dispersive Spectroscopy, X-Ray Diffraction with the application of the Rietveld routine and corrosion test. The results showed the formation of multiphase layers that contributed to corrosion potentials reduction for treatments at 400 °C, being more effective when applied on AISI D6. It was observed that the corrosion resistance is influenced by the temperature, which was attributed to the precipitation of chromium nitride and iron oxide at 450 ºC.

https://doi.org/10.1590/19020-080-5373-mr-2020-0267 543 downloads

Serological evidence of Toxoplasma gondii occurrence in naturally infected sheep in the Teresina microregion, Piauí, Brazil
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Feitosa, Lauro César Soares

; Celestino, Andressa de Carvalho Teixeira Lima

; Ferreira, Siluana Benvindo

; Cardoso, Janaina de Fátima Saraiva

; Tenório, Taciana Galba da Silva

; Paula, Ney Rômulo de Oliveira

; Mineiro, Ana Lys Bezerra Barradas

Arquivos do Instituto Biológico

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2021, Volume 88 elocation e00152020

Abstract: En | Text: En | PDF: En

ABSTRACT Toxoplasmosis is a zoonosis of reproductive nature that is transmitted to humans mainly by ingestion of undercooked meat or drinking oocyte-contaminated water. The slaughter of small ruminants in clandestine slaughterhouses and the presence of companion animals in these locations may be epidemiologically important for the dissemination of the disease. The objective of the present study was to determine toxoplasmosis prevalence by researching anti- Toxoplasma gondii antibodies in meat sheep herds from farms in Teresina microregion, Piauí, Brazil. A total of 450 blood samples were collected from sheep of both sexes, belonging to 28 herds from the 14 municipalities that comprise the microregion. The samples were analyzed by the enzyme-linked immunosorbent assay (ELISA), and the presence of anti-T. gondii antibodies was observed in 62% (279/450) of the animals in all the municipalities and on at least one farm in each municipality. The high occurrence of positive animals is an indication of reproductive problems in these herds, characterizing a problem for both sheep rearing and public health.

https://doi.org/10.1590/1808-1657000152020 1 downloads

[SciELO Preprints] - SUSPECTED COVID-19 FLU-LIKE SYNDROME IN MEN WHO HAVE SEX WITH MEN AND HAVE BEEN INVOLVED IN CASUAL SEX
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Carvalho, Herica Emilia Félix de Schneider, Guilherme Sousa, Anderson Reis de Camargo, Emerson Lucas Silva Nunes, Rômulo Veloso Possani, Matheus Arantes Barbosa, Dulce Aparecida Mendes, Isabel Amelia Costa Sousa, Álvaro Francisco Lopes de

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Publication date: 2020-09-17

Abstract: En Es Pt

Objective: To evaluate the presence of flu-like syndrome suggestive of COVID-19 in men who have sex with men (MSM) and engaged in casual sex during a period of social isolation. Method: National epidemiological survey, applied in April and May 2020, by adaptation of Respondent Drive Sampling. Results: 1,337 MSM participated in the survey, of which 514 (38.4%) had fever associated with another sign or symptom of flu-like syndrome. Social, demographic characteristics, sexual practices and activities during the period of social isolation were statistically associated with the presence of flu-like syndrome. There was a statistical difference (p lt; 0.001) in the average of partners between those who had signs and symptoms of flu-like syndrome (3.5) and those who did not (1.7). Conclusion: Evidence of signs and symptoms indicative of flu-like syndrome suggestive of COVID 19 in Brazilian MSM who were involved in casual sex during the period of social isolation.

Objetivo: Evaluar la presencia de síndrome gripal sospecha de COVID-19 en hombres que tienen sexo con hombres (HSH) y se envolvieron en sexo con pareja ocasional durante distanciamiento social. Método: Averiguación epidemiológica, de abarcamiento nacional, aplicado en abril y mayo de 2020, por adaptación del Respondent Drive Sampling. Resultados: 1.337 HSHs participaron de la investigación, de los cuales 514 (38,4%) tuvieron fiebre relacionada a otra señal o síntoma de síndrome gripal. Características sociales, demográficas, prácticas y actividades sexuales durante el distanciamiento social han estáticamente relacionadas a la presencia de síndrome gripal. Hubo diferencia estadística (p lt; 0,001) en la media de parejas entre aquellos que tuvieron señales y síntomas de síndrome gripal (3,5) y aquellos que no los tuvieron (1,7). Conclusión: Se evidencia ocurrencia de señales y síntomas indicativos de síndrome gripal sugestivo de COVID-19 en HSHs brasileños que se envolvieron en sexo ocasional durante el período del distanciamiento social.

Objetivo: Avaliar a presença de síndrome gripal suspeita de COVID-19 em homens que fazem sexo com homens (HSH) e se envolveram em sexo com parceiro casual durante período de distanciamento social. Método: Inquérito epidemiológico, de abrangência nacional, aplicado em abril e maio de 2020, por adaptação do Respondent Drive Sampling. Resultados: 1.337 HSHs participaram da pesquisa, dos quais 514 (38,4%) tiveram febre associada a outro sinal ou sintoma de síndrome gripal. Características sociais, demográficas, práticas e atividades sexuais durante o período de distanciamento social foram estaticamente associadas à presença de síndrome gripal. Houve diferença estatística (p lt; 0,001) na média de parceiros entre aqueles que tiveram sinais e sintomas de síndrome gripal (3,5) e aqueles que não os tiveram (1,7). Conclusão: Evidencia-se ocorrência de sinais e sintomas indicativos de síndrome gripal sugestiva de COVID‑19 em HSHs brasileiros que se envolveram em sexo casual durante o período do distanciamento social.

https://doi.org/10.1590/SciELOPreprints.1100

Registro Multicêntrico de Takotsubo (REMUTA) – Aspectos Clínicos, Desfechos Intra-Hospitalares e Mortalidade a Longo Prazo
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Almeida Junior, Gustavo Luiz Gouvêa de

; Mansur Filho, João

; Albuquerque, Denilson Campos de

; Xavier, Sergio Salles

; Pontes, Álvaro

; Gouvêa, Elias Pimentel

; Martins, Alexandre Bahia Barreiras

; Nunes, Nágela S. V.

; Carestiato, Lilian Vieira

; Petriz, João Luiz Fernandes

; Santos, Armando Márcio Gonçalves

; Bandeira, Bruno Santana

; Abufaiad, Bárbara Elaine de Jesus

; Pacheco, Luciana da Camara

; Oliveira, Maurício Sales de

; Ribeiro Filho, Paulo Eduardo Campana

; Sampaio, Pedro Paulo Nogueres

; Duque, Gustavo Salgado

; Camillis, Luiz Felipe

; Marques, André Casarsa

; Lourenço Jr, Francisco Carlos

; Palazzo, José Ricardo

; Costa, Cláudio Ramos da

; Silva, Bibiana Almeida da

; Zukowski, Cleverson Neves

; Garcia, Romulo Ribeiro

; Zonis, Fernanda de Carvalho

; Paula, Suzana Andressa Morais de

; Ferrari, Carolina Gravano Ferraz

; Rangel, Bruno Soares da Silva

; Ferreira, Roberto Muniz

; Mendes, Bárbara Ferreira da Silva

; Castro, Isabela Ribeiro Carvalho de

; Souza, Leonardo Giglio Gonçalves de

; Araújo, Luiz Henrique dos Santos

; Giani, Alexandre

Arquivos Brasileiros de Cardiologia

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aug 2020, Volume 115 N. 2 Pages 207 - 216

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo Fundamento A síndrome de takotsubo (takotsubo) é uma forma de cardiomiopatia adquirida. Dados nacionais sobre essa condição são escassos. O Registro REMUTA é o primeiro a incluir dados multicêntricos dessa condição no nosso país. Objetivo Descrever as características clínicas, prognóstico, tratamento intra-hospitalar e mortalidade hospitalar e em 1 ano de seguimento. Métodos Estudo observacional, retrospectivo, tipo registro. Incluídos pacientes internados com diagnóstico de takotsubo ou que desenvolveram esta condição durante internação por outra causa. Os desfechos avaliados incluíram fator desencadeador, análise dos exames, uso de medicações, complicações e óbito intra-hospitalar e em 1 ano de seguimento. O nível de significância adotado foi de 5%. Resultados Foram incluídos 169 pacientes, em 12 centros no Estado do Rio de Janeiro. A idade média foi de 70,9 ± 14,1 anos e 90,5% eram do sexo feminino; 63% dos casos foram de takotsubo primário e 37% secundário. Troponina I foi positiva em 92,5% dos pacientes e a mediana de BNP foi de 395 (176,5; 1725). Supradesnivelamento do segmento ST esteve presente em 28% dos pacientes. A fração de ejeção do ventrículo esquerdo teve mediana de 40 (35; 48)%. Observamos taxa de 25,7% de ventilação mecânica invasiva e 17,4% de choque. Suporte circulatório mecânico foi utilizado em 7,7%. A mortalidade intra-hospitalar foi de 10,6% e a mortalidade ao final de 1 ano foi de 16,5%. Takotsubo secundário e choque cardiogênico foram preditores independentes de mortalidade. Conclusão Os resultados do REMUTA mostram que takotsubo não se trata de patologia benigna como se pensava, especialmente no grupo de takotsubo secundário que acarreta elevada taxa de complicações e de mortalidade. (Arq Bras Cardiol. 2020; 115(2):207-216)

Abstract Background Takotsubo syndrome (TTS) is an acquired form of cardiomyopathy. National Brazilian data on this condition are scarce. The Takotsubo Multicenter Registry (REMUTA) is the first to include multicenter data on this condition in Brazil. Objective To describe the clinical characteristics, prognosis, in-hospital treatment, in-hospital mortality, and mortality during 1 year of follow-up. Methods This is an observational, retrospective registry study including patients admitted to the hospital with diagnosis of TTS and patients admitted for other reasons who developed this condition. Evaluated outcomes included triggering factor, analysis of exams, use of medications, complications, in-hospital mortality, and mortality during 1 year of follow-up. A significance level of 5% was adopted. Results The registry included 169 patients from 12 centers in the state of Rio de Janeiro, Brazil. Mean age was 70.9 ± 14.1 years, and 90.5% of patients were female; 63% of cases were primary TTS, and 37% were secondary. Troponin I was positive in 92.5% of patients, and median BNP was 395 (176.5; 1725). ST-segment elevation was present in 28% of patients. Median left ventricular ejection fraction was 40 (35; 48)%. We observed invasive mechanical ventilation in 25.7% of cases and shock in 17.4%. Mechanical circulatory support was used in 7.7%. In-hospital mortality was 10.6%, and mortality at 1 year of follow-up was 16.5%. Secondary TTS and cardiogenic shock were independent predictors of mortality. Conclusion The results of the REMUTA show that TTS is not a benign pathology, as was once thought, especially regarding the secondary TTS group, which has a high rate of complications and mortality. (Arq Bras Cardiol. 2020; 115(2):207-216)

https://doi.org/10.36660/abc.20190166 1217 downloads

Suspected COVID-19 flu-like syndrome in men who have sex with men and have been involved in casual sex
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Carvalho, Herica Emilia Félix de

; Schneider, Guilherme

; Sousa, Anderson Reis de

; Camargo, Emerson Lucas Silva

; Nunes, Rômulo Veloso

; Possani, Matheus Arantes

; Barbosa, Dulce Aparecida

; Mendes, Isabel Amélia Costa

; Sousa, Álvaro Francisco Lopes de

Revista Brasileira de Enfermagem

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2020, Volume 73 elocation e20200913

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

RESUMO Objetivo: Avaliar a presença de síndrome gripal suspeita de COVID-19 em homens que fazem sexo com homens (HSH) e se envolveram em sexo com parceiro casual durante período de distanciamento social. Método: Inquérito epidemiológico, de abrangência nacional, aplicado em abril e maio de 2020, por adaptação do Respondent Drive Sampling. Resultados: 1.337 HSHs participaram da pesquisa, dos quais 514 (38,4%) tiveram febre associada a outro sinal ou sintoma de síndrome gripal. Características sociais, demográficas, práticas e atividades sexuais durante o período de distanciamento social foram estaticamente associadas à presença de síndrome gripal. Houve diferença estatística (p < 0,001) na média de parceiros entre aqueles que tiveram sinais e sintomas de síndrome gripal (3,5) e aqueles que não os tiveram (1,7). Conclusão: Evidencia-se ocorrência de sinais e sintomas indicativos de síndrome gripal sugestiva de COVID19 em HSHs brasileiros que se envolveram em sexo casual durante o período do distanciamento social.

ABSTRACT Objective: To evaluate the presence of flu-like syndrome suggestive of COVID-19 in men who have sex with men (MSM) and engaged in casual sex during a period of social isolation. Method: National epidemiological survey, applied in April and May 2020, by adaptation of Respondent Drive Sampling. Results: 1,337 MSM participated in the survey, of which 514 (38.4%) had fever associated with another sign or symptom of flu-like syndrome. Social, demographic characteristics, sexual practices and activities during the period of social isolation were statistically associated with the presence of flu-like syndrome. There was a statistical difference (p < 0.001) in the average of partners between those who had signs and symptoms of flu-like syndrome (3.5) and those who did not (1.7). Conclusion: Evidence of signs and symptoms indicative of flu-like syndrome suggestive of COVID 19 in Brazilian MSM who were involved in casual sex during the period of social isolation.

RESUMEN Objetivo: Evaluar la presencia de síndrome gripal sospecha de COVID-19 en hombres que tienen sexo con hombres (HSH) y se envolvieron en sexo con pareja ocasional durante distanciamiento social. Método: Averiguación epidemiológica, de abarcamiento nacional, aplicado en abril y mayo de 2020, por adaptación del Respondent Drive Sampling. Resultados: 1.337 HSHs participaron de la investigación, de los cuales 514 (38,4%) tuvieron fiebre relacionada a otra señal o síntoma de síndrome gripal. Características sociales, demográficas, prácticas y actividades sexuales durante el distanciamiento social han estáticamente relacionadas a la presencia de síndrome gripal. Hubo diferencia estadística (p < 0,001) en la media de parejas entre aquellos que tuvieron señales y síntomas de síndrome gripal (3,5) y aquellos que no los tuvieron (1,7). Conclusión: Se evidencia ocurrencia de señales y síntomas indicativos de síndrome gripal sugestivo de COVID-19 en HSHs brasileños que se envolvieron en sexo ocasional durante el período del distanciamiento social.

https://doi.org/10.1590/0034-7167-2020-0913 1874 downloads

Suspected COVID-19 flu-like syndrome in men who have sex with men and have been involved in casual sex
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Carvalho, Herica Emilia Félix de

; Schneider, Guilherme

; Sousa, Anderson Reis de

; Camargo, Emerson Lucas Silva

; Nunes, Rômulo Veloso

; Possani, Matheus Arantes

; Barbosa, Dulce Aparecida

; Mendes, Isabel Amélia Costa

; Sousa, Álvaro Francisco Lopes de

Revista Brasileira de Enfermagem

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2020, Volume 73 Suppl. 2 elocation e20200913

Abstract: En Es Pt | Text: En Es Pt | PDF: En | PDF: Es | PDF: Pt

https://doi.org/10.1590/0034-7167-2020-0913 11 downloads

3D anatomical model for teaching canine lumbosacral epidural anesthesia
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Neves, Eduardo Cavalcante das

; Pelizzari, Charles

; Oliveira, Romulo Silva de

; Kassab, Siham

; Lucas, Kleber dos Anjos

; Carvalho, Yuri Karaccas de

Acta Cirúrgica Brasileira

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2020, Volume 35 N. 6 elocation e202000608

Abstract: En | Text: En | PDF: En

Abstract Purpose To develop a 3D anatomical model for teaching canine epidural anesthesia (3DMEA) and to assess its efficacy for teaching and learning prior to the use of live animals. Methods The creation of 3DMEA was based on 3D optical scanning and 3D printing of canine bone pieces of the fifth to the seventh lumbar vertebrae, sacrum and pelvis. A total of 20 male dogs were scheduled for castration. 20 veterinary students watched a video showing epidural anesthesia in dogs before the clinical attempt and were assigned to control or 3DMEA groups. Students in the 3DMEA group trained in the model after the video. For the clinical trial, the epidural procedure was performed by students under the veterinary supervision. When observed the absence of response to nociceptive stimuli, the epidural was considered successful. Then, all students answered a questionnaire evaluating the main difficulty founded in the technique and its degree of difficulty. Results The 3DMEA group reported a lower degree of difficulty to perform the epidural anesthesia technique when compared with the control group (p=0.0037). The 3DMEA reproduced the anatomical structures, allowing the perception of the distance of needle in relation to the iliac prominences during epidural anesthesia. Its mobility allowed simulation of the animal in standing position and sternal recumbency. Conclusion The use of 3DMEA demonstrated greater efficacy in the execution of the technique, being effective in the teaching and learning process before the epidural anesthesia in live animals.

https://doi.org/10.1590/s0102-865020200060000008 757 downloads

Umbu-cajá como repositório natural de parasitoide nativo de moscas-das-frutas
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Carvalho, Romulo da Silva

; Soares Filho, Walter dos Santos

; Ritzinger, Rogerio

Pesquisa Agropecuária Brasileira

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oct 2010, Volume 45 N. 10 Pages 1222 - 1225

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O objetivo deste trabalho foi avaliar diversidade de espécies de mosca-das-frutas e de parasitóides nativos em frutos de umbu-cajá (Spondias spp.). Os frutos foram coletados em nove municípios do Estado da Bahia. Estimaram-se: a infestação dos frutos pelas moscas; o índice de parasitismo das moscas; e a frequência de ocorrência das espécies de parasitóides. Pela primeira vez, a infestação de Anastrepha obliqua em frutos de umbu-cajá e a presença do parasitóide Asobara anastrephae em larvas de Anastrepha obliqua foram registradas. O parasitoide nativo Doryctobracon areolatus foi o mais frequente. A umbu-cajazeira é repositório natural de parasitoides de tefritídeos, e sua preservação é fundamental para a manutenção das relações tróficas entre as espécies de mosca-das-frutas e parasitoides.

The objective of this work was to assess the species diversity of fruit fly and their parasitoids in fruit of umbu-cajá (Spondias spp.). Fruit were collected in nine municipalities of the state of Bahia, Brazil. Fruit infestation, fruit fly parasitism rates, and frequencies of the parasitoid species were estimated. For the first time, Anastrepha obliqua infesting umbu-cajá fruit and the presence of the native parasitoid Asobara anastrephae in Anastrepha oblique larvae were recorded. The native parasitoid Doryctobracon areolatus was the most frequent. Umbu-cajá tree is a natural repository of Tephritidae parasitoids, and its preservation is essential for the maintenance of trophic relationships between fruit fly species and parasitoids.

3230 downloads Cited 2 times in SciELO

10.

Relações interespecíficas entre parasitoides nativos de moscas-das-frutas e o braconídeo exótico Diachasmimorpha longicaudata em frutos de 'umbu-cajá'
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Bomfim, Zuzinaide Vidal

; Carvalho, Romulo da Silva

; Carvalho, Carlos Alfredo Lopes de

Ciência Rural

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feb 2010, Volume 40 N. 1 Pages 77 - 82

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Espécies de vespas parasitoides (Hymenoptera: Braconidae) são importantes agentes de controle biológico de moscas-das-frutas (Diptera: Tephritidae). Este trabalho teve por objetivo conhecer os efeitos da liberação e as relações de competitividade interespecífica do parasitoide exótico Diachasmimorpha longicaudata Ashmead sobre o complexo de parasitoides nativos de moscas-das-frutas associado a frutos de 'umbu-cajá' (Spondias spp.) na região do Recôncavo Baiano. Entre os meses de abril e julho de 2006, 8.955 frutos (192,93kg) foram coletados antes e após (24 e 48 horas) a liberação de 9.600 fêmeas de D. longicaudata em campo. Obteve-se um total de 8.724 pupários de Tephritidae, dos quais emergiram 3.963 adultos de Anastrepha obliqua (Macquart) e 1.115 parasitoides. A maior frequência relativa foi de Doryctobracon areolatus (Szépligeti), seguida por Asobara Anastrephae (Muesebeck) e Utetes Anastrephae (Viereck). Após 24 e 48 horas da liberação do parasitoide exótico D. longicaudata em campo, constatou-se que o índice de parasitismo total aumentou de 15,86 para 20,4 e 45,19%, respectivamente. Assim, observou-se que a liberação da espécie exótica D. longicaudata não apresenta efeitos negativos na ocorrência dos parasitoides nativos e contribui para complementar o controle biológico natural de A. obliqua em frutos de 'umbu-cajá', nas condições deste estudo.

Wasps parasitoid species (Hymenoptera: Braconidae) are fruit flies (Diptera: Tephritidae) biological control important agents. This study aimed to know the effects of the release and interspecific competitive relationships of the exotic parasitoid Diachasmimorpha longicaudata Ashmead (Hymenoptera: Braconidae) on the native parasitoid complex of fruit flies in Spondias spp. in the region of Recôncavo Baiano. From April to July of 2006, 8.955 fruits (192.93kg) were collected before and after (24 and 48 hours) release of 9.600 females of D. longicaudata. Exactly 8.724 Tephritidae pupae were obtained, of which 3.963 Anastrepha obliqua (Macquart) adults and 1.115 parasitoids of Braconidae family emerged. Three species of opiinae were identified before releasing. The higher relative frequency was of Doryctobracon areolatus (Szépligeti), followed by Asobara Anastrephae (Muesebeck) and Utetes Anastrephae (Viereck). 24 and 48 hours after release the exotic parasitoid D. longicaudata on the field, the parasitism rate increased from 15.86% to 20.42% and 45.19%, respectively. It was found that the release of exotic species D. longicaudata has no negative effects on the occurrence of native parasitoids and helps to complement the natural biological control of A. obliqua in fruits of 'umbu-cajá' conditions of this study.

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