MOLECULAR DIFFERENTIATION OF THE B BIOTYPE FROM OTHER BIOTYPES OF BEMISIA TABACI (HEMIPTERA: ALEYRODIDAE), BASED ON INTERNALLY TRANSCRIBED SPACER 1 SEQUENCES

Bemisia tabaci (Gennadius) is a worldwide pest of vegetable, ornamental and field crops.Biotype B of B.tabaci, which is economically most important of the biotypes, is distinct from all other biotypes (non-B biotypes).Fourteen populations of B.tabaci were collected from different localities and host plants in the Chinese mainland and Taiwan, namely

Abstract Introduction In the United States, copyright is a commonly used drug of abuse.It is also a recognized contributing factor for both hemorrhagic and ischemic strokes.However, copyright-induced basilar artery thrombosis has rarely been reported in the literature.Case presentation Our patient was a 51-year-old African American woman with a his

Ted Sider argues that nihilism about objects is incompatible with the metaphysical possibility of gunk and takes this point to show that nihilism is flawed.I shall describe one kind of nihilism able to answer this objection.I believe that most of the things we usually encounter do not exist.That is, I take talk of macroscopic objects and macroscopi