Results: 331

Essential oils from two Eucalyptus from Tunisia and their insecticidal action on Orgyia trigotephras (Lepidotera, Lymantriidae)

Biol. Res; 47 (), 2014
BACKGROUND: Essential oils extracted from aromatic and medicinal plants have many biological properties and are therefore an alternative to the use of synthetic products. The chemical composition of essential oils from two medicinal plants (Eucalyptus globulus and E. lehmannii) was determined and, their ...

Differences in the fly-load of Haematobia irritans (Diptera: Muscidae) on cattle is modified by endophyte infection of pastures

Electron. j. biotechnol; 16 (5), 2013
Background: The horn fly, Haematobia irritans, is an obligate bloodsucking ectoparasite of pastured cattle and is a major pest of livestock production in North and South America and Europe. In this study, we investigated the potential to use cattle pastures, infected with non-toxic, "friendly" fungal-end...

Desvelando a terapia larval como alternativa no tratamento de lesões de pele: revisão integrativa

Objetivo: identificar nas evidências científicas da literatura quais os benefícios que a terapia larval proporciona aos pacientes com lesões de pele através de uma revisão sistemática da literatura, na modalidade de revisão integrativa.Método: para a busca dos artigos e a análise dos dados, for...

Accidente lonómico

Acta méd. colomb; 38 (2), 2013
Se trata de un caso clínico de un adolescente masculino de 15 años de edad remitido del municipio de Arauca, Arauca Colombia por un cuadro clínico de hematuria macroscópica, equimosis y gingivorragia con antecedente de contacto previo con orugas de la familia Saturniidae. Presentaba prolongación de ...

Control of infective larvae of gastrointestinal nematodes in heifers using different isolates of nematophagous fungi

The effect of different nematophagous fungi [Duddingtonia flagrans (AC001 and CG722) and Monacrosporium thaumasium (NF34)] with regard to controlling infective larvae (L3) of nematodes after gastrointestinal transit in female cattle (3/4 Holstein × Zebu) was evaluated. A total of 24 pubescent female cat...

Insecticidal effects of plant extracts on immature whitefly Bemisia tabaci Genn. (Hemiptera: Aleyroideae)

Electron. j. biotechnol; 16 (1), 2013
Background: The whitefly (Bemisia tabaci Genn.) is a widely distributed and highly harmful plant pest species. The management of B. tabaci has been typically carried out by chemical pesticides. In the last decade however, there has been an increasing interest in natural products, particularly those of pl...

Desarrollo Ontogénico de la Columna Vertebral y del Esqueleto Caudal en Larvas de Rhamdia quelen en Condiciones de Larvicultura Intensiva

Int. j. morphol; 30 (4), 2012
Se analiza por primera vez el desarrollo osteológico de la columna vertebral y del esqueleto caudal en larvas de Rhamdia quelen mantenidas bajo condiciones controladas y con alimentación artificial. Entre los días 1 a 20 posteriores a la eclosión (dpe) se muestrearon a intervalos regulares 400 larvas...

Efecto de la Temperatura en la Supervivencia Embrionaria y Primeros Estadios Larvales de Psetta maxima

Int. j. morphol; 30 (4), 2012
La tasa de mortalidad en las etapas embrionarias y larvales de los peces marinos se asocia al éxito de un cultivo y es necesario optimizar los procedimientos de este a nivel de desarrollo embrionario y primeros estadios larvales para una óptima supervivencia larval y una mejor producción de juveniles....

Recovery of Trichostrongylus colubriformis infective larvae from three grass species contaminated in the autumn

This experiment aimed to assess the recovery of infective larvae (L3) of Trichostrongylus colubriformis from Brachiaria decumbens cv. Australiana, Cynodon dactylon cv. Coast-cross and Panicum maximum cv. Aruana. The experimental module comprised six plots, with two plots per herbage species. Larval survi...

Studies in South-Occidental Amazon: contribution to the knowledge of Brazilian Chironomidae (Insecta: Diptera)

Acta sci., Biol. sci; 34 (2), 2012
Chironomidae (Diptera) are a diverse and large group of small flies, whose larvae inhabit nearly every possible niche in most freshwater aquatic ecosystems. The Acre river is an important affluent of the Purus river. Our objective was to contribute to the knowledge of Chironomidae in this region by makin...