............................................................................................................. viii CHAPTER 1: GENERAL INTRODUCTION ...................................................... 1 Dissertation Organization .................................................................................... 2 Literature Cited ..................................................................

Insects are powerful and rapid adaptive organisms with high fecundity rate and short life cycle. Due to human interruption in agro-ecosystem and global climatic variations are disturbing the insect ecosystem. Erosion of natural habitats, urbanization, pollution and use of chemicals in agroecosystem manifold the intensity of environmental variations. Both a-biotic (temperature, humidity, light) ...

The fauna of the family Stigmaeidae Oudemans on grapevines and weed plants associated with vineyard agroecosystem in the state of Rio Grande do Sul (Brazil) was studied. Five recognized species were reported: Agistemus brasiliensis Matioli et al., 2002, Agistemus floridanus Gonzales, 1965, Agistemus mendozensis Simons, 1967, Zetzellia agistzellia Hernandes and Feres, 2005, and Zetzellia malvina...

known about the individual components of pest management applied to the diamondback moth, Plutella xylostella, in the Philippines is presented. This includes aspects relating to the pest, the agroecosystem, the plant, and preventive and curative control measures. Some successes have been obtained with a few of the components but many have not been tried in the field nor have there been sustaine...

Grassland agroecosystem plays a key role on resource cycling and sustainability of global ecosystem. Forage is the basic factor core grassland agroecosystem. At single scale, most forage evaluation remain in state qualitative or quantitative evaluation, lack series at multi spatial scales influence society, environment economy. This study collected dominant indicators micro, plot, farm, ecoregi...