Results: 331

Contracaecum larvae: morphological and morphometric retrospective analysis, biogeography and zoonotic risk in the amazon

Abstract In Brazil there are several records of parasitic nematodes of fish with zoonotic potential, especially those belonging to the family Anisakidae. This study considers the morphology, morphometry and prevalence of Contracaecum in Astronotus ocellatus , fish consumed in the Amazon and sold as orna...

Obstrucción duodenal por Strongyloides stercoralis, una complicación inusual

Rev. chil. infectol; 36 (1), 2019
Resumen La estrongiloidiasis es una enfermedad desatendida en Latinoamérica. Las manifestaciones gastrointestinales son inespecíficas y la obstrucción duodenal es una complicación infrecuente. Presentamos el caso clínico de un varón de 31 años, procedente de la selva central de Perú, que ingresó...

Development and reprotuction of Spodoptera eridania on natural hosts and artificial diet

Braz. j. biol; 79 (1), 2019
Abstract The development and reproductive potential of Spodoptera eridania (Stoll, 1782) (Lepidoptera, Noctuidae) was compared on natural and artificial diets. Its biology was determined under laboratory conditions, providing an artificial diet, leaves of white clover and the peach cultivar 'Chimarrita'...

Distribution of cysts of Strongyluris sp. (Nematoda) in the pallial system of Achatina fulica Bowdich, 1822 from Vila Dois Rios and Vila do Abraão, Ilha Grande, Angra dos Reis, Rio de Janeiro

Braz. j. biol; 79 (1), 2019
Abstract This work aimed to assessing Strongyluris sp. cysts distribution pattern in the several inner organs from pallial system of Achatina fulica Bowdich, 1822. Also we verified if there is a relationship between the mollusk size and the number of specimens from parasites collected from two touristic...

Rearing two fruit flies pests on artificial diet with variable pH

Braz. j. biol; 79 (1), 2019
Abstract Fruit flies (Diptera: Tephritidae) are considered the main fruit pests worldwide. In Brazil, two species are predominant: the South American fruit fly, Anastrepha fraterculus and the Mediterranean fruit fly, Ceratitis capitata. In this study, we evaluated the effect of artificial diets with var...

Characterization of a Chrysodeixis includens nucleopolyhedrovirus Isolate from Brazilian Cerrado and Assessment of its Co-Infection with Anticarsia gemmatalis multiple nucleopolyhedrovirus

Abstract Chrysodeixis includens has become the major Lepidopteran pest of soybean crops, especially in the Brazilian Cerrado (savanna) region. A native isolate of Chrysodeixis includens nucleopolyhedrovirus (ChinNPV) from this region, Buritis, MG, was assessed for its biological and molecular features. I...

Quiste hidatídico pulmonar en paciente con diagnóstico de asma bronquial, a propósito de un caso

INSPILIP; 3 (1), 2019
La hidatidosis es una zoonosis distribuida mundialmente, causada por el Echinococcus granulosusen su fase larvaria. Prevalente en zonas agrícolas y ganaderas, su localización más habitual es hepática y pulmonar (>90 %), puede ser asintomática o manifestar síntomas de acuerd...

Larvicidal and adulticidal effects and ultrastructural changes of larvae midgut epithelium of musca domestica (diptera: muscidae) fed with bacillus thuringiensis var. kyushuensis

Abstract INTRODUCTION: Musca domestica is resistant to many insecticides; hence, biological control is a suitable alternative. METHODS: We evaluated the lethality of strain Btk176 towards the larval and adult M. domestica and the histopathological effects in the larvae midgut. RESULTS: We observed 99%...

Different susceptibilities of Aedes aegypti and Aedes albopictus larvae to plant-derived products

Abstract INTRODUCTION: Aedes aegypti and Aedes albopictus are important vectors that transmit arboviruses to human populations. METHODS: Natural products were obtained and tested against larvae collected from the field in Fortaleza, capital of Ceará state. RESULTS: The essential oils of Syzygium ar...

Larvicidal activity of essential oil from Vitex negundo and Vitex trifolia on dengue vector mosquito Aedes aegypti

Abstract INTRODUCTION: The ability of Vitex trifolia and Vitex negundo essential oils to kill Aedes aegypti and Culex quinquefasciatus larvae was evaluated. METHODS: The larvae were treated with their respective essential oils at 50-125 ppm concentration. RESULTS: LC50 and LC90 for V. trifolia against...