Comparisons of levels of crude fat,soluble sugars,and free amino acids in offsprings of the immigrant and non-immigrant populations of the brown planthopper,Nilaparvata lugens (Stl) (Homoptera:Delphacidae),under insecticide stress;

Characteristics of main herb populations in the arid valley of the Minjiang River;

Genetic diversity among five geographical populations of Chilo suppressalis based on RAPD;

T-test indicated there was significant difference of the combined immature stages between the two geographical populations at 25 and 32℃ (P<0.

The results demonstrate that Odorrana livida of different geographical populations have the same amount of chromosome and karyotypic formulae.

Genetic diversity of geographical populations of four Dendrolimus species (Lepidoptera:Lasiocampidae) in China based on allozyme analysis;

Genetic diversity of different geographical populations of wolf spider (Pardosa pseudoannulata) based on AFLP analysis;

Sequence analysis and comparison of rDNA-ITS1 of geographical populations of Liriomyza sativae Blanchard (Diptera: Agromyzidae) from China and closely related species;

Morphological comparison of two geographic populations of Psyttalia incisi(Silvestri);

Comparative analysis on RAPD of two geographic populations of Psyttalia incisi;

Individual size and abundance of the yeast-like endosymbiote in different geographic populations of brown planthopper, Nilaparvata lugens;