The removal and influence of Wolbachia on the reproductive and fitness in Hylyphantes graminicola Bt cotton impacts on the growth and predation behavior of spiders Susceptibility to pesticides of different geographic populations of Hylyphantes graminicola and relative fitness of susceptible and resistant populations Geostatistics and GIS analysis of spatial patterns of Myzus persicae and Hylyphantes graminicola in peach orchards under chemical pesticide stress