Tabela de vida de fertilidade de Lysiphlebus testaceipes (Cresson) (Hymenoptera, Braconidae, Aphidiinae) em Rhopalosiphum maidis (Fitch) e Aphis gossypii Glover (Hemiptera, Aphididae)

Identification of Aphis gossypii Glover (Hemiptera: Aphididae) Biotypes from Different Host Plants in North China.

BACKGROUND The cotton-melon aphid, Aphis gossypii Glover (Hemiptera: Aphididae), is a polyphagous species with a worldwide distribution and a variety of biotypes. North China is a traditional agricultural area with abundant winter and summer hosts of A. gossypii. While the life cycles of A. gossypii on different plants have been well studied, those of the biotypes of North China are still uncle...

Qualidade De Vida E Trabalho Voluntário Em Idosos Calidad De Vida Y Trabajo Voluntario En Ancianos

This cross-sectional, comparative study was performed with the objective to evaluate the quality of life of elderly individuals who perform volunteer work, compared to those who do not. The WHO Quality of Life questionnaire was applies in a group of 166 elderly individuals who performed volunteer work and to another 33 who did not. Results show most are women, single and with high-level educati...

Olfactory response of two aphid parasitoids, Lysiphlebus testaceipes and Aphidius colemani , to aphid-infested plants from a distance

The role of volatile stimuli in the host-searching behaviour of the two parasitoid species Lysiphlebus testaceipes Cresson and Aphidius colemani Viereck (Hymenoptera: Braconidae) was studied in relation to the host Aphis gossypii Glover (Homoptera: Aphididae) on cucumber plants, Cucumis sativa L. (Cucurbitaceae). Experiments were carried out in the laboratory in a wind tunnel, exposing individu...

Use of Rubidium to Label Lysiphlebus testaceipes (Hymenoptera: Braconidae), a Parasitoid of Greenbugs (Homoptera: Aphididae), for Dispersal Studies

Processo de Introdução de Melhorias e de Correcções de Erros de Software em Sistemas de Telecomunicações

Resnmo No contexto de melhoria continua esta comunicao aborda o tern& das alter&Jes introduzidas no software de sistemas hierarquizados, isto e, divididos em subsistemas e m6dulos, para a implementac&o de melhorias ou correc(;:&o de erros. garantindo a compatibilidade e a divulga&o coerente das sucessivas versHes dos diferentes m6dulos Que constituem o sistema. Esta comunicao onde sero ainda re...